{"id":2158,"date":"2023-11-30T12:56:55","date_gmt":"2023-11-30T12:56:55","guid":{"rendered":"https:\/\/staging.mikkelschleicher.dk\/?p=2158"},"modified":"2024-01-08T12:12:33","modified_gmt":"2024-01-08T11:12:33","slug":"stretching-musclegrowth","status":"publish","type":"post","link":"https:\/\/mikkelschleicher.dk\/index.php\/2023\/11\/30\/stretching-musclegrowth\/","title":{"rendered":"Stretching makes your muscles grow longer!"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.23.1&#8243; custom_padding=&#8221;0px||||false|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_padding=&#8221;0px||||false|false&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]I still see some people argue, that the effects of static stretching on range of motion are purely neural \u2013 however, this is simply not true. Chronic streching makes several structures in the body adapt, but in regards to flexibility and our usable range of motion, the ability of static streching to increase the length of our muscle fibers, is one of the most interesting.[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mikkelschleicher.dk\/index.php\/2023\/11\/30\/stretching-musclegrowth\/#Basic_anatomy_of_the_muscle\" title=\"Basic anatomy of the muscle\">Basic anatomy of the muscle<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mikkelschleicher.dk\/index.php\/2023\/11\/30\/stretching-musclegrowth\/#What_are_the_benefits_of_longer_fascicles\" title=\"What are the benefits of longer fascicles?\">What are the benefits of longer fascicles?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mikkelschleicher.dk\/index.php\/2023\/11\/30\/stretching-musclegrowth\/#The_effects_of_stretching_on_fascicle_length\" title=\"The effects of stretching on fascicle length\">The effects of stretching on fascicle length<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mikkelschleicher.dk\/index.php\/2023\/11\/30\/stretching-musclegrowth\/#Adding_load\" title=\"Adding load\">Adding load<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mikkelschleicher.dk\/index.php\/2023\/11\/30\/stretching-musclegrowth\/#Practical_Takeaways\" title=\"Practical Takeaways\">Practical Takeaways<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mikkelschleicher.dk\/index.php\/2023\/11\/30\/stretching-musclegrowth\/#Referencer\" title=\"Referencer:\">Referencer:<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Basic_anatomy_of_the_muscle\"><\/span>Basic anatomy of the muscle<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/mikkelschleicher.dk\/wp-content\/uploads\/2023\/11\/Muscle-fysiology-1.png&#8221; title_text=&#8221;Muscle-fysiology-1&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]Skeletal muscles are made up of bundles of muscle fibers called fascicles (FL), fascicles are made of bundles of myofibrils or muscle fibers [1]. Each mucle fiber consists of sarcomeres, which is the part of the muscle that can contract, or shorten.<br \/>\nWhen fascicles grow in length, it is because of an increase in the amount of sarcomeres in series \u2013 a process called \u201csarcomerogenesis\u201d [2]. This change in muscle fiber length, is not enough to make the muscle visibly longer \u2013 it wont you you \u201clong, slender muscles\u201d \u2013 but functionally, it can have a huge impact.[\/et_pb_text][et_pb_image src=&#8221;https:\/\/mikkelschleicher.dk\/wp-content\/uploads\/2023\/11\/optimal-sarcomere-length.png&#8221; title_text=&#8221;optimal-sarcomere-length&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row admin_label=&#8221;R\u00e6kke&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]The sarcomeres have an optimal length where they can produce the highest amount of force \u2013 if they are too shortened or elongated, they won\u2019t be able to produce as much force [2] (see the above picture).<\/p>\n<p>This applies to the whole muscle as well \u2013 we\u2019re strongest, in ranges where the working muscles aren\u2019t shortened or stretched excessively.<\/p>\n<p>From a practical point of view, a muscle\u2019s average sarcomere operating length range is believed to favor force production for a required task.<br \/>\nTaken together, it is hypothesized that if a muscle is forced to operate in an overstretched position, the number of sarcomeres in series increases to maintain optimal operating range and\/or to reduce the passive tension caused by stretch<br \/>\n(More or less direct citation form Hinks et el. 2022 \u2013 because their explanation was spot on).<\/p>\n<p>In other words, the main driver for an increase in fascicle length, seems to be adapting to the need to produce force at long muscle lengths or to reduce passive stretch-induced tension.<\/p>\n<p>It is believed that if a muscle is forced to operate in an overly stretched position, the number of sarcomeres in series increases either to maintain optimal operating range or to reduce the passive tension caused by the stretch [2].[\/et_pb_text][et_pb_image src=&#8221;https:\/\/mikkelschleicher.dk\/wp-content\/uploads\/2023\/11\/Sarcomere-operating-length.png&#8221; title_text=&#8221;Sarcomere-operating-length&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_are_the_benefits_of_longer_fascicles\"><\/span>What are the benefits of longer fascicles?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There is strong evidence, that shows an increase in fascicle length shifts the optimal operating range towards longer muscle lengths \u2013 but it is also possible that the optimal operating range can increase, meaning that the range where we can produce the maximum amount of force, would increase [2].<\/p>\n<p>A practical example of how this can be useful for flexibility \u2013 if the adductors shift their optimal operating range towards longer muscle lengths, you\u2019d get stronger in the middle split position, where the adductors are lengthened.<br \/>Very useful for the splits in general and particularly for advanced variations like the suspended splits.<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/mikkelschleicher.dk\/wp-content\/uploads\/2023\/11\/Chair-splits-Final-Four-edited.jpeg&#8221; title_text=&#8221;Chair-splits-Final-Four-edited&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<p>Apart from a shift in the length-tension curve, there are other possible benefits of increased fascicle length cause by sarcomeregeneis:<\/p>\n<ul>\n<li>Reduced risc of hamstring strains [3, 4].<\/li>\n<li>Faster sprint times \u2013 Cross sectional studies have observed positive correlations between sprint times and longer FL in both male and female elite sprinters [5-7] and front crawl sprint times in swimmers [8].\n<p>An increased number of sarcomeres in series, would at least in theory, lead to faster contractions of the musculature in general [9, 10]<\/li>\n<\/ul>\n<p>In regards to flexibility, longer fascicles would increase the muscles extensibility and reduce muscle stiffness, thereby increasing ROM. \u00a0Long term static stretching can decrease muscle stiffness [11], which could in part be explained by changes in fascicle length.<\/p>\n<p>Increased ROM as a result of increased fascial length, is supported by cross sectional studies that have found that athletes with high flexibility have longer fascicles than volleyball players [12] or non-stretching control group [13], as well as a study by Hirata et al., which found a positive correlation between ROM and fascicle length [14].<br \/>No long duration interventional studies have yet found a direct correlation though.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<h2><span class=\"ez-toc-section\" id=\"The_effects_of_stretching_on_fascicle_length\"><\/span>The effects of stretching on fascicle length<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>One of the reasons why it\u2019s been postulated, that the effects of stretching was merely neural, is because that\u2019s what a lot of earlier studies found \u2013 not all though.<br \/>Of of the most notable studies pointing in this direction, was a meta-analysis from 2017 found that stretching for 6-8 weeks had no effect on muscle architecture, including fascicle length [16] \u2013 it is worth noting, that the authors themselves argued that there were some significant limitations, such as the length of the included studies and the differences in the stretching intensities used.<\/p>\n<p>Since then, a bunch of interesting studies have been made \u2013 and recently a new meta-analysis was published, which showed that static stretching can indeed increase fascicle length [15]. We\u2019re gonna dive into this one, as there were some very interesting findings.<\/p>\n<p>They included 19 studies, which was divided into the high\/low intensity stretching and high\/low volume.<\/p>\n<p>Low-intensity studies included those which described stretch intensity as \u201cno pain perception\u201d, \u201cstretching preceding pain threshold\u201d, \u201cpain between 6 and 7 on an analog scale ranging from 1 to 10\u201d, and \u201cwithout suffering discomfort\u201d.<br \/>High-intensity studies included those which described pain perception as \u201chighest or maximum tolerable\u201d, \u201cpoint of discomfort\u201d, and \u201cmaximum tolerable after the onset of pain\u201d.<\/p>\n<p>The sub-group analysis showed, that only studies using high intensity stretching, induced increased in fascicle length.<\/p>\n<p>Moreover, they found that high stretching volume, was positively associated with increases in fascicle length.<br \/>The included studies were divided into either high or low volume depending on the total amount of time under stretch for the muscle studies \u2013 high volume was defined as &gt;5400s and low volume as &lt;5400s.<\/p>\n<p>The reason for the higher time under stretch in the high-volume group, was that the stretched were held for longer (104\u00b192 vs. 42\u00b115 s) and the interventions lasted longer (10.6\u00b16.2 vs. 5.1\u00b11.6 weeks, respectively,\u00a0<em>p\u00a0<\/em>= 0.028).<\/p>\n<p>In practice, holding the stretches for longer time (60-300s) migh be beneficial for inducing increases in fascicle length, stretching atleast to the point of discomfort.<br \/>It seems that changes in fascicle length take 6+ weeks to occur.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Adding_load\"><\/span>Adding load<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Taking advantage of external force might be another effective strategy for increasing stretching intensity and increasing fascicle length.<\/p>\n<p>In a review by Nunes et al. (2020), it was argued that stretching with high strain and\/or stress seems to be needed in order for training to increase fascicle length and that [20] \u2013 Stress refers to the force applied to a material per unit area, while muscle strain is the change from the muscles original length, that results from the applied force.<\/p>\n<p>Adding an external force to a strech, would be an effective way to increase the stress and possibly the strain experienced by the streched muscle \u2013 and there are a few studies that have utilized external force and found it to effectively increase fascicle length.[\/et_pb_text][et_pb_image src=&#8221;https:\/\/mikkelschleicher.dk\/wp-content\/uploads\/2023\/11\/Loaded-1-leg-jef.png&#8221; title_text=&#8221;Loaded-1-leg-jef&#8221; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<p>Example of a hamstring strech with added external load<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<p>Below is a short presentation of two of the main studies, that found an increase in fascicle length after adding some kind of external load \u2013 also two of the earlies studies, that found an increase in fascicle length after any kind of streching.<\/p>\n<p>In a study by Simpson et al. (2017) 11 male test subjects performed 6 weeks of stretching for the plantar flexors 5 times a week consisting of 3 minutes of continuous stretching performed with an external load of 20% of the plantar flexors MVC, which was increased weekly by 5%.<br \/>Post-intervention, ROM and FL in the muscle-tendon junction (25% p &lt;.001) were significantly increased.<br \/>The stretching was performed in a leg press machine, where the feet where placed so, the heels were unsupported \u2013 thus allowing the weight on the machine to stretch the calves. Rather easy to replicate.<\/p>\n<p>In a study by Freitas et al. 2015a, 5 male test subjects performed 8 weeks of stretching 3 times weekly, at a ROM equal to the maximum tolerable torque before the pain threshold for 450s; if possible, the ROM used was further increased every 90 seconds.<br \/>Knee extension ROM (11.2 \u00b1 9.5%, p = 0.04) and and biceps femoris FL (13.6%, p = 0.04) were significantly increased post-intervention.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Practical_Takeaways\"><\/span>Practical Takeaways<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Static streching can increase fascicle length, if performed with enough intensity (atleast to point of discomfor) and with enough stretching volume (30-300s pr. strech, aiming for 240s+ on a weekly basis).<\/p>\n<p>Increases in fascicle length might take 6+ weeks on average \u2013 working on your flexibility is a long term game.<\/p>\n<p>Adding external load or adding contractions can also be beneficial for increasing in fascicle length and maximizing your range gains long term.<\/p>\n<p>It should be noted, that these recommendations are aimed towards static passive stretching \u2013 utilizing active contraction of the streched musculature, is another very effective method of increasing ROM and fascicle length, but the same recommended reps\/sets and streching durations won\u2019t apply \u2013 more on that in a different post[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.23.1&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_text _builder_version=&#8221;4.23.1&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Referencer\"><\/span>Referencer:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>1.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Jorgenson, K.W., S.M. Phillips, and T.A. Hornberger,\u00a0<em>Identifying the Structural Adaptations that Drive the Mechanical Load-Induced Growth of Skeletal Muscle: A Scoping Review.<\/em>\u00a0Cells, 2020.\u00a0<strong>9<\/strong>(7).<\/p>\n<p>2.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Hinks, A., M.V. Franchi, and G.A. Power,\u00a0<em>The influence of longitudinal muscle fascicle growth on mechanical function.<\/em>\u00a0J Appl Physiol (1985), 2022.\u00a0<strong>133<\/strong>(1): p. 87-103.<\/p>\n<p>3.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Brockett, C.L., D.L. Morgan, and U. Proske,\u00a0<em>Human hamstring muscles adapt to eccentric exercise by changing optimum length.<\/em>\u00a0Med Sci Sports Exerc, 2001.\u00a0<strong>33<\/strong>(5): p. 783-90.<\/p>\n<p>4.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Timmins, R.G., et al.,\u00a0<em>Short biceps femoris fascicles and eccentric knee flexor weakness increase the risk of hamstring injury in elite football (soccer): a prospective cohort study.<\/em>\u00a0Br J Sports Med, 2016.\u00a0<strong>50<\/strong>(24): p. 1524-1535.<\/p>\n<p>5.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Abe, T., et al.,\u00a0<em>Relationship between sprint performance and muscle fascicle length in female sprinters.<\/em>\u00a0J Physiol Anthropol Appl Human Sci, 2001.\u00a0<strong>20<\/strong>(2): p. 141-7.<\/p>\n<p>6.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Kumagai, K., et al.,\u00a0<em>Sprint performance is related to muscle fascicle length in male 100-m sprinters.<\/em>\u00a0J Appl Physiol (1985), 2000.\u00a0<strong>88<\/strong>(3): p. 811-6.<\/p>\n<p>7.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Abe, T., K. Kumagai, and W.F. Brechue,\u00a0<em>Fascicle length of leg muscles is greater in sprinters than distance runners.<\/em>\u00a0Med Sci Sports Exerc, 2000.\u00a0<strong>32<\/strong>(6): p. 1125-9.<\/p>\n<p>8.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nasirzade, A., et al.,\u00a0<em>Relationship between sprint performance of front crawl swimming and muscle fascicle length in young swimmers.<\/em>\u00a0J Sports Sci Med, 2014.\u00a0<strong>13<\/strong>(3): p. 550-6.<\/p>\n<p>9.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Wickiewicz, T.L., et al.,\u00a0<em>Muscle architecture of the human lower limb.<\/em>\u00a0Clin Orthop Relat Res, 1983(179): p. 275-83.<\/p>\n<p>10.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Bodine, S.C., et al.,\u00a0<em>Architectural, histochemical, and contractile characteristics of a unique biarticular muscle: the cat semitendinosus.<\/em>\u00a0J Neurophysiol, 1982.\u00a0<strong>48<\/strong>(1): p. 192-201.<\/p>\n<p>11.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Takeuchi, K., et al.,\u00a0<em>Long-term static stretching can decrease muscle stiffness: A systematic review and meta-analysis.<\/em>\u00a0Scand J Med Sci Sports, 2023.<\/p>\n<p>12.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Donti, O., et al.,\u00a0<em>Gastrocnemius Medialis Architectural Properties at Rest and During Stretching in Female Athletes with Different Flexibility Training Background.<\/em>\u00a0Sports (Basel), 2019.\u00a0<strong>7<\/strong>(2).<\/p>\n<p>13.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Moltubakk, M.M., et al.,\u00a0<em>Specialized properties of the triceps surae muscle-tendon unit in professional ballet dancers.<\/em>\u00a0Scand J Med Sci Sports, 2018.\u00a0<strong>28<\/strong>(9): p. 2023-2034.<\/p>\n<p>14.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Hirata, K., H. Kanehisa, and N. Miyamoto,\u00a0<em>Association between medial gastrocnemius muscle-tendon unit architecture and ankle dorsiflexion range of motion with and without consideration of slack angle.<\/em>\u00a0PLoS One, 2021.\u00a0<strong>16<\/strong>(3): p. e0248125.<\/p>\n<p>15.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Panidi, I., et al.,\u00a0<em>Muscle Architecture Adaptations to Static Stretching Training: A Systematic Review with Meta-Analysis.<\/em>\u00a0Sports Med Open, 2023.\u00a0<strong>9<\/strong>(1): p. 47.<\/p>\n<p>16.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Freitas, S.R., et al.,\u00a0<em>Can chronic stretching change the muscle-tendon mechanical properties? A review.<\/em>\u00a0Scand J Med Sci Sports, 2017.\u00a0<strong>28<\/strong>(3): p. 794-806.<\/p>\n<p>17.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Freitas, S.R. and P. Mil-Homens,\u00a0<em>Effect of 8-week high-intensity stretching training on biceps femoris architecture.<\/em>\u00a0J Strength Cond Res, 2015.\u00a0<strong>29<\/strong>(6): p. 1737-40.<\/p>\n<p>18.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Kay, A.D., et al.,\u00a0<em>Stretch imposed on active muscle elicits positive adaptations in strain risk factors and exercise-induced muscle damage.<\/em>\u00a0Scand J Med Sci Sports, 2018.\u00a0<strong>28<\/strong>(11): p. 2299-2309.<\/p>\n<p>19.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Simpson, C.L., et al.,\u00a0<em>Stretch training induces unequal adaptation in muscle fascicles and thickness in medial and lateral gastrocnemii.<\/em>\u00a0Scand J Med Sci Sports, 2017.\u00a0<strong>27<\/strong>(12): p. 1597-1604. 20.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nunes, J.P., et al.,\u00a0<em>Does stretch training induce muscle hypertrophy in humans? A review of the literature.<\/em>\u00a0Clin Physiol Funct Imaging, 2020.\u00a0<strong>40<\/strong>(3): p. 148-156.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The effects of static stretching is often though to be only neural \u2013 however, this is not correct. If done correctly, stretching can litterally make your muscles grow longer, which might be helpfull if you want to get more flexible!<\/p>\n","protected":false},"author":1,"featured_media":2166,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"<p>[et_pb_section fb_built=\"1\" _builder_version=\"4.23.1\" custom_padding=\"0px||||false|false\" global_colors_info=\"{}\"][et_pb_row _builder_version=\"4.23.1\" background_size=\"initial\" background_position=\"top_left\" background_repeat=\"repeat\" custom_padding=\"0px||||false|false\" global_colors_info=\"{}\"][et_pb_column type=\"4_4\" _builder_version=\"4.16\" custom_padding=\"|||\" global_colors_info=\"{}\" custom_padding__hover=\"|||\"][et_pb_text _builder_version=\"4.23.1\" background_size=\"initial\" background_position=\"top_left\" background_repeat=\"repeat\" global_colors_info=\"{}\"]<\/p><p>Fleksibilitetstr\u00e6ning og styrketr\u00e6ning, bliver ofte set som to mods\u00e6tninger. Det er imidlertid ikke sandt, det er faktisk i h\u00f8j grad muligt at kombinere fleksibilitet og styrketr\u00e6ning. Det kan endda have visse fordele hvis man gerne vil v\u00e6re mere fleksibel, sammenlignet med traditionel udstr\u00e6kning.<\/p><p>I denne artikel vil jeg pr\u00e6sentere dig for de fordele der findes ved at tr\u00e6ne fleksibilitet gennem styrketr\u00e6ning, samt hvordan denne type tr\u00e6ning p\u00e5virker fleksibiliteten, med udgangspunkt i den videnskabelige litteratur p\u00e5 omr\u00e5det.<br \/>I sidste del af artiklen, vil jeg komme med anbefalinger ift. hvordan du selv kan tr\u00e6ne fleksibilitet p\u00e5 denne m\u00e5de. Denne del bygger p\u00e5 den viden der pr\u00e6senteres i f\u00f8rste del, men ogs\u00e5 p\u00e5 personlig erfaring.<\/p><p>I fleksibilitetstr\u00e6ning skelnes der mellem aktiv og passiv, samt dynamisk og statisk[1]. Aktiv fleksibilitetstr\u00e6ning inkluderer en form for volunt\u00e6r kontraktion af den forl\u00e6ngede eller forkortede muskel, men passiv fleksibilitetstr\u00e6ning foreg\u00e5r uden[2].<br \/>Statisk udstr\u00e6kning er den form de fleste af os kender, hvor man holder et str\u00e6k. Navnet siger n\u00e6sten sig selv, det er statisk udstr\u00e6kning, alts\u00e5 uden bev\u00e6gelse. Dynamisk udstr\u00e6kning d\u00e6kker alle former for udstr\u00e6kning hvor man bev\u00e6ger sig ind og ud af et str\u00e6k. N\u00e5r fleksibilitet tr\u00e6nes gennem styrketr\u00e6ning, kan det g\u00f8res som en form for dynamisk udstr\u00e6kning, hvor bev\u00e6gelsen ind og ud af et str\u00e6k, organiseres i s\u00e6t og gentagelser, eller gennem isometrisk styrketr\u00e6ning, der kan sidestilles med statisk udstr\u00e6kning.<\/p><p>N\u00e5r man \u00f8ger sin fleksibilitet, sker det enten ved at noget v\u00e6v forl\u00e6nges (muskler, sener, bindev\u00e6v, etc.), eller ved at den sensoriske oplevelse af str\u00e6kket \u00e6ndres, s\u00e5dan at evnen til at tolerere f\u00f8lelsen af str\u00e6k \u00f8ges. N\u00e5r str\u00e6k tolerancen \u00f8ges, betyder det, at det f\u00f8les mindre intenst\/smertefuldt i bev\u00e6ge sig ind i et str\u00e6k, hvilket g\u00f8r at man kan bev\u00e6ge sig dybere ind i det og fleksibiliteten \u00f8ges [6]. Studier af 6-8 uger varighed, der unders\u00f8ger effekten af statisk udstr\u00e6kning, finder at den \u00f8gede fleksibilitet der opn\u00e5s, udelukkende sker p\u00e5 baggrund af \u00f8get str\u00e6k tolerance [6][13]. Der er lavet f\u00e5 studier der unders\u00f8ger den l\u00e6ngerevarende effekt af statisk udstr\u00e6kning, men et studie af Moltubakk (2019)[14], tyder p\u00e5 at der efter 24 ugers udstr\u00e6kning forekommer visse strukturelle adaptation.<\/p><p>Styrketr\u00e6ning kan som sagt anvendes til at tr\u00e6ne fleksibilitet. B\u00e5de excentrisk[3], men ogs\u00e5 konventionel styrketr\u00e6ning[4] kan \u00f8ge fleksibilitet, hvis de tr\u00e6nede bev\u00e6gelser laves med fuld ROM [15]. Den \u00f8gede fleksibilitet, der forekommer ved denne form for tr\u00e6ning, kan forklares dels ved en \u00f8get str\u00e6k tolerance, dels ved strukturelle \u00e6ndringer, i form af \u00f8get fascikel l\u00e6ngde, sandsynligvis p\u00e5 grund af sarkomerogenese[5].<br \/>En fascikel er et lille bundt af muskelfibre. Sarkomerogenese er en proces hvor antallet af sarkomerer i forl\u00e6ngelse af hinanden, \u00f8ges i en muskelfiber. Biomekanisk har det betydning at der sker p\u00e5 netop denne m\u00e5de, men oversat til normalt sprog, betyder det bare at muskelfiberen bliver l\u00e6ngere. Dog med den \u201cbonus\u201d, at musklens kraftkurve samtidig forskydes, s\u00e5ledes at musklen bliver st\u00e6rkere i en mere forl\u00e6nget position.<br \/>Det reducerer risikoen for visse muskelskader, s\u00e5som fiberspr\u00e6ngninger[9]. Ved meget intens udstr\u00e6kning kan man risikere at f\u00e5 forstr\u00e6kninger, men ogs\u00e5 her vil excentrisk fleksibilitetstr\u00e6ning h\u00f8jst sandsynligt reducere risikoen. Almindelig passiv udstr\u00e6kning derimod, ser ikke ud til at have nogen effekt p\u00e5 risikoen for skader [10].<\/p><p>Effekten af passiv udstr\u00e6kning ser ud til hovedsageligt at v\u00e6re \u00f8get str\u00e6ktolerance[6], og potentielt strukturelle \u00e6ndringer ved lang tids tr\u00e6ning. Enkelte studier har ogs\u00e5 fundet \u00f8get fascikel l\u00e6ngde efter udstr\u00e6kning med meget h\u00f8j intensitet og\/eller volumen.<br \/>Styrketr\u00e6ning af muskulaturen i en forl\u00e6nget position, ser imidlertid ud til at f\u00f8re til \u00f8get str\u00e6k tolerance, i samme grad som passivt str\u00e6k[7], men kan ogs\u00e5 f\u00f8re til strukturelle adaptationer, allerede efter 5-8 ugers tr\u00e6ning. Derudover ser det ud til at man i h\u00f8j grad kan bibeholde de strukturelle \u00e6ndringer(alts\u00e5 de l\u00e6ngere fascikler\/muskler) der sker som f\u00f8lge af styrketr\u00e6ning som fleksibilitetstr\u00e6ning, selv efter at man stopper med at tr\u00e6ne[8]. Styrketr\u00e6ning og statisk udstr\u00e6kning, ser ud til at v\u00e6re lige effektive n\u00e5r det kommer til at \u00f8ge bev\u00e6geudslag\/ROM [16], men at tr\u00e6ne fleksibilitet gennem styrketr\u00e6ning, har de fordele, at du samtidigt bliver st\u00e6rkere, mindsker risikoen for visse typer af skader og sandsynligvis kan beholde dine fleksibilitets gains i l\u00e6ngere tid, efter du stopper med at tr\u00e6ne.<\/p><p><strong>Herunder opsummeres pointerne fra f\u00f8rste del:<\/strong><\/p><ul><li>Fleksibilitet kan tr\u00e6nes ved hj\u00e6lp af styrketr\u00e6ning, hvis \u00f8velserne udf\u00f8res med fuld ROM.<\/li><li>Grunden til at denne type tr\u00e6ning kan \u00f8ge fleksibiliteten, er at str\u00e6k tolerancen \u00f8ges og muskulaturen bliver l\u00e6ngere, samt st\u00e6rkere i en forl\u00e6nget position.<\/li><li>Fleksibilitet der opn\u00e5s gennem denne type tr\u00e6ning kan sandsynligvis bibeholdes i l\u00e6ngere tid uden tr\u00e6ning.<\/li><li>Muskulaturens \u00f8gede styrke i en forl\u00e6nget position, reducerer risikoen for visse typer af skader<\/li><li>Udstr\u00e6kning og styrketr\u00e6ning, ser ud til at v\u00e6re lige effektivt ift. at \u00f8ge bev\u00e6geudslag\/ROM<\/li><\/ul><p>\u00a0<\/p><p>Man har flere muligheder for at anvende sin fleksibilitet, hvis man er st\u00e6rk i hele sin ROM. Et pres op fra middle split er et godt eksempel p\u00e5 et trick, der kun er muligt hvis man har en betragteligt m\u00e6ngde styrke, over hele bev\u00e6geudslaget. Det er ogs\u00e5 et godt eksempel p\u00e5 en \u00f8velse, der efter min mening, med fordel kan tr\u00e6nes som styrketr\u00e6ning.<\/p><p>[\/et_pb_text][et_pb_code _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"]<iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/RwBdn8NYHfg?si=qlva_rSjuurZlTZg\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe>[\/et_pb_code][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_column type=\"4_4\" _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_text _builder_version=\"4.23.1\" background_size=\"initial\" background_position=\"top_left\" background_repeat=\"repeat\" hover_enabled=\"0\" global_colors_info=\"{}\" sticky_enabled=\"0\"]<\/p><h2>Hvordan kan jeg bruge det i min tr\u00e6ning?<\/h2><p>I dette afsnit pr\u00e6senteres generelle anbefalinger ift. at tr\u00e6ne fleksibilitet gennem styrketr\u00e6ning. Nederst p\u00e5 siden, kan du finde video og mere detaljeret gennemgang af et par af de \u00f8velser jeg selv har god erfaring med at anvende.<\/p><p>N\u00e5r man vil tr\u00e6ne fleksibilitet gennem styrketr\u00e6ning, er det vigtigste, at alle \u00f8velser laves med st\u00e5 stor ROM som muligt, og at muskulaturen arbejder mens den forl\u00e6nges. Det kan overf\u00f8res til mange styrketr\u00e6nings\u00f8velser, samt kendte \u201cudstr\u00e6kningsposition\u201d s\u00e5som split og spagat. Under dette afsnit, kan du se eksempler p\u00e5 hvordan du kan tr\u00e6ne bl.a. split og spagat p\u00e5 denne m\u00e5de. Alle positioner man gerne vil v\u00e6re mere fleksibel i, kan i princippet tr\u00e6nes p\u00e5 denne m\u00e5de. Det kr\u00e6ver bare at den muskulatur der s\u00e6ttes under str\u00e6k, ogs\u00e5 arbejder, mens du kontrolleret bev\u00e6ger dig ind og ud af den position du vil tr\u00e6ne.<\/p><p>Hvis du styrketr\u00e6ner, men ogs\u00e5 gerne vil v\u00e6re mere fleksibel, kan f\u00f8rste skridt v\u00e6re at v\u00e6lge \u00f8velser, hvor du kan bruge fuld ROM. Det er smart, fordi du p\u00e5 den m\u00e5de kan tr\u00e6ne b\u00e5de fleksibilitet og styrketr\u00e6ning, uden at skulle bruge mere tid. Det kr\u00e6ver imidlertid, at du anvender \u00f8velser, hvor du kan udfordre din ROM. B\u00e6nkpres er fx ikke en god \u00f8velse her, da bev\u00e6gelsen ikke kan forts\u00e6ttes efter stangen, rammer bryster. Hvis du i stedet laver b\u00e6nkpres med h\u00e5ndv\u00e6gt, kan du derimod f\u00e5 et st\u00f8rre bev\u00e6geudslag.<\/p><p>Samme princip kan overf\u00f8res til armb\u00f8jninger. Hvis du h\u00e6ver h\u00e6nderne, fx ved at bruge 2 kasser, f\u00e5r du en h\u00f8jere ROM. Det giver b\u00e5de gains ift. din skulderfleksibilitet, men kan ogs\u00e5 v\u00e6re en god m\u00e5de at g\u00f8re \u00f8velsen sv\u00e6rere.<br \/>D\u00f8dl\u00f8ft kan varieres p\u00e5 flere m\u00e5de, for at s\u00e6tte fokus p\u00e5 fleksibilitet. Hvis der virkeligt skal fokus p\u00e5 fleksibiliteten i bagl\u00e5rene, kan man fx lave \u00f8velsen med s\u00e5 strakte ben som muligt, hvor stangen stadig skal ned og r\u00f8re jorden hver gentagelse.<\/p><p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\"4.23.1\" _module_preset=\"default\"][et_pb_column _builder_version=\"4.23.1\" _module_preset=\"default\" type=\"4_4\"][et_pb_text _builder_version=\"4.23.1\" background_size=\"initial\" background_position=\"top_left\" background_repeat=\"repeat\" hover_enabled=\"0\" global_colors_info=\"{}\" sticky_enabled=\"0\"]<\/p><h2>Generelle anbefalinger<\/h2><p>Det er is\u00e6r det excentriske arbejde der er st\u00e6rk evidens for, f\u00f8rer til forl\u00e6ngelse af muskelfibrene. Derfor kan man med fordel fokusere ekstra p\u00e5 denne del i de \u00f8velser man laver. Jeg anbefaler at man fors\u00f8ger at udf\u00f8re den excentriske del af \u00f8velserne langsomt og kontrollet. Den vigtigste faktor ift. at opn\u00e5 l\u00e6ngere fascikler gennem styrketr\u00e6ning, er at man anvender sin ROM maximalt [11][15]. Hvis det prim\u00e6re form\u00e5l med en \u00f8velse er fleksibilitet, kan du ogs\u00e5 pr\u00f8ve at tilf\u00f8je 2-5 sekunders pause i den mest udstrakte position p\u00e5 hver gentagelse, samt 10 sekunders pause i den mest udstrakte position p\u00e5 sidste gentagelse. Pausen her er aktiv, dvs. at der bibeholdes sp\u00e6nding i den muskulatur der forl\u00e6nges. Tanken bag disse anbefalinger er, at eftersom det er den yderste ROM vi gerne vil tr\u00e6ne, giver det mening at fokusere ekstra p\u00e5 denne del af \u00f8velsen.<\/p><p>I de fors\u00f8g der er lavet med excentrisk fleksibilitetstr\u00e6ning, tr\u00e6ner fors\u00f8gspersonerne typisk 3 gange om ugen[12], meget lig konventionel styrketr\u00e6ning. Min egen erfaring er at du ogs\u00e5 kan se fremgang ved 1-2 tr\u00e6ninger om ugen, hvilket is\u00e6r kan v\u00e6re en fordel hvis du gerne vil kombinere det med anden tr\u00e6ning.<\/p><p>Herunder kan du se et par eksempler p\u00e5 \u00f8velser jeg selv er s\u00e6rligt glad for og som ikke kr\u00e6ver noget udstyr. Hvis du er yderligere interesseret i dette emne og hvordan det kan implementeres, kan jeg varm anbefale denne video af <a href=\"https:\/\/www.youtube.com\/watch?v=askyPISMogs\" target=\"_blank\" rel=\"noopener\">Emmet Louis.<\/a> Her fort\u00e6ller han om loaded progressive stretching, der er en m\u00e5de at tr\u00e6ne fleksibilitet p\u00e5, der giver rigtig god mening ud fra de argumenter der pr\u00e6senteres i artiklen her.<br \/>Hvis du har nogen sp\u00f8rgsm\u00e5l eller kommentarer til artiklen her, kan du altid skrive til mig p\u00e5 sch.schleicher@gmail.com, p\u00e5 facebook eller instagram<\/p><p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_column type=\"4_4\" _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_text _builder_version=\"4.23.1\" background_size=\"initial\" background_position=\"top_left\" background_repeat=\"repeat\" hover_enabled=\"0\" global_colors_info=\"{}\" sticky_enabled=\"0\"]<\/p><p>En position som <strong>Spagat\/Front split<\/strong> er ganske enkel at tr\u00e6ne som excentrisk styrketr\u00e6ning. Find 2 stole el.l. du kan s\u00e6tte h\u00e6nderne p\u00e5. Du kan ogs\u00e5 bruge h\u00e6nderne til at tage lidt af v\u00e6gten, men brug dem s\u00e5 lidt som muligt. Den er den udstrukkede muskulatur vi gerne vil have til at arbejde. S\u00e6nk dig langsomt (8-10s) s\u00e5 langt ned i positionen du kan, men du hele tiden presser ned mod jorden med benene. T\u00e6nk at du pr\u00f8ver at samle benene igen.<\/p><p>Holde den nederste position i 3-5 sekunder, f\u00f8r du kommer ud af str\u00e6kket, og starter forfra. 3 s\u00e6t af 3-5 gentagelser, med en 10 sekunders pause i den nederste position p\u00e5 sidste gentagelse i hvert s\u00e6t, er et godt sted at starte.<\/p><p>\u00a0<\/p><p>[\/et_pb_text][et_pb_code _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"]<iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/AcuBNXgbqGM?si=OT3bbAn0mQQzzkQp\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe>[\/et_pb_code][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_column type=\"4_4\" _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_text _builder_version=\"4.23.1\" background_size=\"initial\" background_position=\"top_left\" background_repeat=\"repeat\" hover_enabled=\"0\" global_colors_info=\"{}\" sticky_enabled=\"0\"]<\/p><p><strong>Split Squats<\/strong> tr\u00e6ner b\u00e5de dorsal flektion og hofte ekstension. Det kan v\u00e6re en rigtig god \u00f8velse at inkludere i din tr\u00e6ning, hvis du mangler mobilitet ift. at squatte eller gerne vil tr\u00e6ne din hofteekstension til fx at kunne g\u00e5 i spagat. \u00d8velsen kan g\u00f8res sv\u00e6rere ved at tilf\u00f8je h\u00e5ndv\u00e6gte eller en v\u00e6gtstang over ryggen.<br \/>Hold overkroppen lodret og det bagerste ben s\u00e5 strakt som muligt. Du vil sandsynligvis ikke kunne holde det helt strakt og det er okay, men pr\u00f8v s\u00e5 godt du kan.<br \/>Lad kn\u00e6et p\u00e5 det forreste ben bev\u00e6ge sig s\u00e5 langt frem ud over dine t\u00e6er som du kan, uden at din h\u00e6l l\u00f8fter sig.<\/p><p>Holde den nederste position i 3 sekunder, f\u00f8r du kommer ud af str\u00e6kket, og starter forfra. 3 s\u00e6t af 3-5 gentagelser, med en 10 sekunders pause i den nederste position p\u00e5 sidste gentagelse i hvert s\u00e6t, er et godt sted at starte.<br \/>Tom Merrick har lavet en rigtig fin video om split squat, b\u00e5de ift. hvad \u00f8velsen kan og hvordan den udf\u00f8res, som jeg ogs\u00e5 varmt kan anbefale.<\/p><p>\u00a0<\/p><p>[\/et_pb_text][et_pb_code _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"]<iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/WeuG7FuPYMc?si=Psg1Mn4Lyu6UtgUC\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe>[\/et_pb_code][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_column type=\"4_4\" _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_text _builder_version=\"4.23.1\" background_size=\"initial\" background_position=\"top_left\" background_repeat=\"repeat\" hover_enabled=\"0\" global_colors_info=\"{}\" sticky_enabled=\"0\"]<\/p><p><strong>Middle split<\/strong> kan tr\u00e6nes p\u00e5 samme m\u00e5de. Her kan du med fordel have en stol\/kasse foran dig, som du bruger til balance og evt. tage lidt af v\u00e6gten. Fors\u00f8g at bruge den s\u00e5 lidt som muligt, kontroller i stedet bev\u00e6gelse ved at presse dine ben mod jorden\/sammen. Hvis du kan komme dybere i positionen ved at ligge lidt v\u00e6gt i kassen\/stolen er det fint, men hav hele tiden en intention om at bruge den s\u00e5 lidt som muligt.<br \/>For at komme dybt i et middle split, kr\u00e6ver det en vis grad af udad rotation fra hoften. For mange er det nemmere og mere naturligt at g\u00e5 i split, med t\u00e6erne pegene opad, i stedet for at holde hele foden i kontakt med gulvet, som jeg g\u00f8r i videoen.<br \/>Der er lidt flere tekniske finesser der er v\u00e6rd at kende til, n\u00e5r det kommer til side splits. Tom Merrick har lavet en video hvor han g\u00e5r i dybden med middle splits, som jeg klart kan anbefale.<\/p><p>3 s\u00e6t af 3-5 gentagelser. Brug 6-10 sekunder p\u00e5 at s\u00e6nke dig ned i den laveste position du kan, hold i 3-5 sekunder. 10 sekunders pause i nederste position p\u00e5 sidste gentagelse.<br \/>Holde den nederste position i 3 sekunder, f\u00f8r du kommer ud af str\u00e6kket, og starter forfra. 3 s\u00e6t af 3-5 gentagelser, med en 10 sekunders pause i den nederste position p\u00e5 sidste gentagelse i hvert s\u00e6t, er et godt sted at starte.<br \/>Tom Merrick har lavet en rigtig fin video om split squat, b\u00e5de ift. hvad \u00f8velsen kan og hvordan den udf\u00f8res, som jeg ogs\u00e5 varmt kan anbefale.<\/p><p>\u00a0<\/p><p>[\/et_pb_text][et_pb_video src=\"http:\/\/mikkelschleicher.dk\/wp-content\/uploads\/2023\/11\/Negativ-split.mp4\" _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"][\/et_pb_video][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_column type=\"4_4\" _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_text _builder_version=\"4.23.1\" background_size=\"initial\" background_position=\"top_left\" background_repeat=\"repeat\" hover_enabled=\"0\" global_colors_info=\"{}\" sticky_enabled=\"0\"]<\/p><h2>Jefferson Curls<\/h2><p>En, efter min mening, helt genial \u00f8velse til at tr\u00e6ne fleksibilitet + styrke i bagl\u00e5r samt i fleksion af ryg og l\u00e6nd. \u00d8velsen kan med fordel laves med lidt ekstra v\u00e6gt, men fungerer ogs\u00e5 uden. I videoen bruger jeg en vandflaske, det er et fint sted at starte. Du kan tr\u00e6ne dig op til at bruge mere v\u00e6gt, men g\u00e5 langsomt frem.<\/p><p>N\u00e5r du laver \u00f8velsen, s\u00e5 fors\u00f8g at have en fornemmelse af at du b\u00f8jer mellem hver enkelt ryghvirvel, startende fra den aller \u00f8verste del af nakken.<br \/>Lad v\u00e6re med at slappe helt af n\u00e5r du n\u00e5r bundpositionen, behold altid en lille sp\u00e6nding i bagl\u00e5r\/baller. N\u00e5r du skal op fra bundpostitionen, kan du forestille dig at du 1 efter 1 fors\u00f8ger at stable ryghvirvlerne igen, startendefra den nederste del af ryggen.<br \/>Brug god tid p\u00e5 b\u00e5de den excentriske(ned) og koncentriske(op) del, gerne omkring 8-10s.<br \/>Holde den nederste position i 3-5 sekunder, f\u00f8r du kommer ud af str\u00e6kket.<br \/>3 s\u00e6t af 3-5 gentagelser, med en 10 sekunders pause i den nederste position p\u00e5 sidste gentagelse i hvert s\u00e6t, er et godt sted at starte. N\u00e5r du kan lave 3 s\u00e6t med 5 gentagelser med god form, kan du evt. \u00f8ge den v\u00e6gt du bruger.<br \/>Emmet Louis har ogs\u00e5 lavet en kort og pr\u00e6cis gennemgang af \u00f8velsen, som er et kig v\u00e6rd.<\/p><p>[\/et_pb_text][et_pb_code _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"]<iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/Zgk9_PpVL3c?si=SdwcjYrbMcqKBPSa\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe>[\/et_pb_code][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_column type=\"4_4\" _builder_version=\"4.23.1\" _module_preset=\"default\" global_colors_info=\"{}\"][et_pb_text _builder_version=\"4.23.1\" background_size=\"initial\" background_position=\"top_left\" background_repeat=\"repeat\" global_colors_info=\"{}\"]<\/p><h4>Referencer:<\/h4><p>[1] Riley & Van Dyke 2012<\/p><p>[2] Riley & Van Dyke 2012<\/p><p>[3] O\u2019Sullivan, McAuliffe, DeBurca (2012), Duclay et al. (2009), Reeves et al. (2009)<\/p><p>[4] Blazevich et al. (2007), Seynnes et al. (2007)<\/p><p>[5] Blazevich et al. (2007), O\u2019Sullivan, McAuliffe & DeBurca (2012)<\/p><p>[6] Weppler & Magnusson (2010)<\/p><p>[7] Aquino et al. (2010)<\/p><p>[8] Blazevich et al. (2007)<\/p><p>[9] O\u2019Sullivan, McAuliffe, DeBurca (2012), Brockett, Morgan & Proske (2001)<\/p><p>[10] O\u2019Sullivan, McAuliffe, DeBurca (2012)<\/p><p>[11] Blazevich et al. (2007)<\/p><p>[12] O\u2019Sullivan, McAulliffe & DeBurca (2012)<\/p><p>[13] Freitas et al. (2018)<\/p><p>[14] Moltubakk (2019)<\/p><p>[15] Valamatos et al (2018)<\/p><p>[16] Afonso et al. (2021)<\/p><p>Aquino CF, Fonseca ST, Gon\u00e7alves GG, Silva PL, Ocarino JM, Mancini MC (2010): Stretching versus strength training in lengthened position in subjects with tight hamstring muscles: a randomized controlled trial. Manual Therapy 15, 26\u201331<\/p><p>Afonso, J., Ramirez-Campillo, R., Mosc\u00e3o, J., Rocha, T., Zacca, R., Martins, A., \u2026 Clemente, F.M. (2021) Strength training is as effective as stretching for improving range of motion: A systematic review and meta-analysis. https:\/\/doi.org\/10.31222\/osf.io\/2rdfm<\/p><p>Bloomquist K., H. Langberg, S. Karlsen, S. Madsgaard, M. Boesen, T. Raastad (2013) Effect of range of motion in heavy load squatting on muscle and tendon adaptations. Eur J Appl Physiol 113:2133\u20132142<\/p><p>Brockett CL, Morgan DL, Proske U. (2001) Human hamstring muscles adapt to eccentric exercise by changing optimum length. Med Sci Sports Exerc 33:783\u201390.<\/p><p>Duclay J, Martin A, Duclay A, et al. (2009) Behavior of fascicles and the myotendinous junction of human medial gastrocnemius following eccentric strength training. Muscle Nerve 39:819\u201327.<\/p><p>Freitas, S.R., et al., (2018) Can chronic stretching change the muscle-tendon mechanical properties? A review. Scand J Med Sci Sports, 28(3): p. 794-806<\/p><p>Moltubakk M. (2019) Effects of long term stretching training on muscle-tendon morphology, mechanics and function. Doctorate thesis, Norges Idrettsh\u00f8gskole<\/p><p>Reeves ND, Maganaris CN, Longo S, et al. (2009) Differential adaptations to eccentric versus conventional resistance training in older humans. Exp Physiol 94: 825\u201333.<\/p><p>Riley, D.A. & Van Dyke, J. M. (2012) The Effects of Active and Passive Stretching on Muscle Length. Physical Medicine and Rehabilitation Clinics of North America Volume 23, Issue1, Pages 51-57<\/p><p>Valamatos, M.J., et al. (2018) Influence of full range of motion vs. equalized partial range of motion training on muscle architecture and mechanical properties. Eur J Appl Physiol, 118(9): p. 1969-1983<\/p><p>Weiss LWFA, Wood LE, Relyea GE, Melton C (2000) Comparative effects of deep versus shallow squat and leg-press training on vertical jumping ability and related factors. J Strength Cond Res 14:241\u2013247<\/p><p>Weppler CH, SP Magnusson (2010) Increasing Muscle Extensibility: A Matter of Increasing Length or Modifying Sensation? Physical Therapy, Volume 90, Issue 3, 1, Pages 438\u2013449<\/p><p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>","_et_gb_content_width":"","rank_math_lock_modified_date":false,"inline_featured_image":false,"footnotes":""},"categories":[69],"tags":[],"class_list":["post-2158","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/mikkelschleicher.dk\/index.php\/wp-json\/wp\/v2\/posts\/2158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mikkelschleicher.dk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mikkelschleicher.dk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mikkelschleicher.dk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mikkelschleicher.dk\/index.php\/wp-json\/wp\/v2\/comments?post=2158"}],"version-history":[{"count":15,"href":"https:\/\/mikkelschleicher.dk\/index.php\/wp-json\/wp\/v2\/posts\/2158\/revisions"}],"predecessor-version":[{"id":2704,"href":"https:\/\/mikkelschleicher.dk\/index.php\/wp-json\/wp\/v2\/posts\/2158\/revisions\/2704"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mikkelschleicher.dk\/index.php\/wp-json\/wp\/v2\/media\/2166"}],"wp:attachment":[{"href":"https:\/\/mikkelschleicher.dk\/index.php\/wp-json\/wp\/v2\/media?parent=2158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mikkelschleicher.dk\/index.php\/wp-json\/wp\/v2\/categories?post=2158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mikkelschleicher.dk\/index.php\/wp-json\/wp\/v2\/tags?post=2158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}