Volume 1, Issue 3 (3-2016)                   J Sport Biomech 2016, 1(3): 15-23 | Back to browse issues page

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bazvand M, mosavi S. The Comparing the Leg Muscles Electromyography during Single Leg Drop Landing in Pesplanus and Normal Men. J Sport Biomech. 2016; 1 (3) :15-23
URL: http://biomechanics.iauh.ac.ir/article-1-46-en.html
1- Kharazmi University of Tehran
2- Department of Sports Injury and Corrective Exercises, School of Physical Education and Sport Sciences, Kharazmi University of Tehran, Tehran, Iran.
Abstract:   (6200 Views)

Objective: pesplanus is one of the changes that brings about changes in muscle activation patterns. Being aware of muscles activity changes in various standing positions among pesplanus patients provides insights into preventing lower extremity injuries in this population. The aim of this study was to compare leg muscles electromyography during various standing positions in pesplanus and normal subjects.

Methods: 60 healthy male university students, 30 subjects with pesplanus deformity (with average age 23/54±3/57 year, average height 175/34±7/62 cm, average weight 74/87±10/72 kg ) and 30 normal subjects (with average age 22/97±2/38 year, average height 176/6±5/59 cm, average weight 73/58±8/36 kg ) participated in this comparative study. Deformity of pesplanus was assessed with navicular drop test. Each subject performed single-leg landing dropping from 30cm height onto a force platform where muscles activity was recorded with EMG device. For data analysis, Matlab and Spss softwares were used and independent sample t-test was used to compare the dependent variables at a significance level of P &le 0/05.

Results: Significant differences were observed between the two groups for the activities of the longus peroneus and anterior tibialis muscles ( p&le0/05) while no significant differences were observed in other muscles.

Conclusion: The changes in the normal structure of the foot might affect muscle activities during standing, which can cause changes in the injury patterns. Therefore, it is proposed that focusing on corrective exercises and therapy plan can reduce these risks.

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Type of Study: Research | Subject: Special
Received: 2015/04/3 | Accepted: 2015/05/28 | Published: 2015/12/1

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