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PHYSIOLOGICAL AREA   

Medicina dello Sport 2018 March;71(1):18-26

DOI: 10.23736/S0025-7826.16.02936-7

Copyright © 2016 EDIZIONI MINERVA MEDICA

language: English, Italian

Differences of selected muscular activity of trunk and lower extremities in landing among supinated, pronated and normal foot

Hamideh KHODAVEISI , Heydar SADEGHI

Department of Sport Biomechanics, School of Physical Education and Sport Sciences, Kharazmi University, Tehran, Iran


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BACKGROUND: This study aims to compare selected muscles of trunk and lower extremities during landing for individuals on supinated, pronated and normal foot.
METHODS: Forty-five female students were selected through foot posture index and X-ray under the specialist physician in three foot structural groups consisting of normal, pronated and supinated foot. Electromyography activities were recorded from muscles of tibialis anterior, peroneus longus, medial gastrocnemius, biceps femoris, gluteus medius, external oblique and erector spinae in three groups while landing. One-Way ANOVA Test was used to compare the groups at significance level of 0.05.
RESULTS: The activity of muscle of tibialis anterior and external oblique in after landing was greater in pronated foot group than that in normal group. The activity of muscle of medial gastrocnemius in after landing was greater in normal foot group than that in pronated and supinated groups. The muscle activity of peroneus longus in after landing was greater in supinated foot group than that of two other groups while there was seen no significant difference between muscle activity of biceps femoris, gluteues medius and erector spinae.
CONCLUSIONS: Regarding the findings of this research, the muscular performance change in pronated and supinated foot group is more noticeable than that in normal foot group.


KEY WORDS: Muscles - Foot - Electromyography

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