Effect of post isometric stretch duration on the hip joint extension in females with short Iliopsoas muscle
Journal Title: مجله دانشگاه علوم پزشکی شهرکرد - Year 2007, Vol 8, Issue 4
Abstract
Background and aim: Shortage and eventual weakeness of the Iliopsoas muscle is directly related to low back pain. Constant activity of the Iliopsoas in the straight posture along with its shortened position during sitting and lack of stretch of this muscle are probable causes of its shortening. This study aimed to determine the optimal duration of post isometric stretching to increase Iliopsoas flexibility. Methods: Thirty-eight girl students, 20-26 years old, were recruited for this clinical trial by simple sampling from Zahedan University of medical sciences. Subjects were randomly assigned as either a 5 second stretch group or a 15 second stretch group. The range of active and passive hip extension and hip flexion (degrees) during Thomas test were measured using Goniometer before and after 15 sessions of intervention. Post isometric stretching of Iliopsoas was carried out for 5 weeks, 3 times per week, lasting 2 min on each occasion for both groups. Data were analyzed using independent and paired t tests. Results: In 5 second stretch group, passive hip extension was increased from 11.7˚±1.4˚ to 14.9˚±0.96˚ and active hip extension was increased from 10.1˚±1.58˚ to 13.7˚±1.03˚ (p
Authors and Affiliations
asghar Akbari, mahboubeh Mohammadi
Keywords
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