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Med J Tabriz Uni Med Sciences. 2021;43(1): 76-83.
doi: 10.34172/mj.2021.031

Scopus ID: 85130467916
  Abstract View: 1112
  PDF Download: 274

Musculoskeletal System

Original Article

Effect of iliopsoas muscle tightness on electromyographic activity of hip extensor synergists during gait

Shirin Aali 1* ORCID logo, Shahabeddin Bagheri 2 ORCID logo

1 Department of Sport Science Education, Farhangian University, Tehran, Iran
2 Department of Sports Science, Nahavand University, Hamadan, Iran
*Corresponding Author: *Corresponding author; E-mail: , Email: shirin.aali1365@gmail.com

Abstract

Background: Hip flexor muscles' tightness has been considered as one of the main risk factors for neuromuscular impairment of lower extremities not only lead to change the movement patterns but also probably result in changing the neuromuscular features of other muscles. The purpose of this research is study was to evaluate the iliopsoas tightness’ effect on electromyographic activity of hip extensor synergists during gait.

Methods: In this case-control study fifteen 11-14 years old adolescents with iliopsoas tightness as experimental group, and 15 healthy adolescents which matched based on age, height, weight, body mass index, dominant leg and sport experience participated voluntarily as control group. Surface electromyographic activity of the gluteus maximus, adductor magnus and biceps femoris, were measured between groups during stance phase of gait.

Results: Individuals with restricted hip flexor muscle length demonstrated more gluteus maximus activation during terminal stance (p=.001), more biceps femoris activation during mid stance (p=.002) and late stance (p=.001) and more adductor magnus activation during mid stance (p=.04) and late stance (p=.001).

Conclusion: Adolescent soccer athletes with hip flexor muscle tightness exhibit more biceps femoris and adductor magnus and gluteus maximus activation during stance phase of gait. Thus, individuals with hip flexor muscle tightness appear to utilize different neuromuscular strategies to control lower extremity motion.



How to cite this article: Aali Sh, Bagheri Sh. [Effect of iliopsoas muscle tightness on electromyographic activity of hip extensor synergists during gait]. Med J Tabriz Uni Med Sciences. 2021;43(1):76-83. Persian.
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Submitted: 20 May 2019
ePublished: 17 Apr 2021
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