چهارشنبه 13 تیر 1403
دوره 13، شماره 3 - ( 4-1402 )
جلد 13 شماره 3 صفحات 164-159 |
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Hamlabadi M P, Jafarnezhadgero A, Bakhshodeh Nia I, Hassannejad H. The Effect of Three Types of Military Boots Mileage on Knee Muscular Co-contraction During Running. PTJ 2023; 13 (3) :159-164
URL: http://ptj.uswr.ac.ir/article-1-577-fa.html
URL: http://ptj.uswr.ac.ir/article-1-577-fa.html
The Effect of Three Types of Military Boots Mileage on Knee Muscular Co-contraction During Running. فصلنامه فیزیک درمانی. 1402; 13 (3) :159-164
چکیده: (1199 مشاهده)
Purpose: Military boots mileage is a main factor that can affect the risk of running injuries. The present study aims to evaluate the effect of three types of military boots mileage on knee muscular co-contraction during running.
Methods: Fifteen healthy males received three pairs of new military boots. Participants wore these boots for more than 6 months. Electromyography activity of lower limb muscles during running at constant speed was recorded during pre- and post-intervention. Then, knee muscular co-contraction was calculated.
Results: Results showed a significant increase during loading response (P=0.030, n2p=0.157) and push-off (P=0.008, n2p=0.302) phases for general knee co-contraction at post-test compared to the pre-test. Also, directed mediolateral knee co-contraction showed a significant increment during mid-stance (P=0.028, n2p=0.040) and push-off (P=0.039, n2p=0.115) phases at post-test compared to the pre-test.
Conclusion: It can be concluded that knee joint instability while using polyurethane thermoplastic is more than polyurethane boots. Also, our results demonstrated that maintaining knee stability in the anterior-posterior direction while using polyurethane thermoplastic is better than in polyurethane boots.
Coresponding author: AmirAli Jafarnezhadgero, E-mail: amiralijafarnezhad@gmail.com
You can also search for this author in: PubMed, Google Scholar
Methods: Fifteen healthy males received three pairs of new military boots. Participants wore these boots for more than 6 months. Electromyography activity of lower limb muscles during running at constant speed was recorded during pre- and post-intervention. Then, knee muscular co-contraction was calculated.
Results: Results showed a significant increase during loading response (P=0.030, n2p=0.157) and push-off (P=0.008, n2p=0.302) phases for general knee co-contraction at post-test compared to the pre-test. Also, directed mediolateral knee co-contraction showed a significant increment during mid-stance (P=0.028, n2p=0.040) and push-off (P=0.039, n2p=0.115) phases at post-test compared to the pre-test.
Conclusion: It can be concluded that knee joint instability while using polyurethane thermoplastic is more than polyurethane boots. Also, our results demonstrated that maintaining knee stability in the anterior-posterior direction while using polyurethane thermoplastic is better than in polyurethane boots.
Coresponding author: AmirAli Jafarnezhadgero, E-mail: amiralijafarnezhad@gmail.com
You can also search for this author in: PubMed, Google Scholar
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