الفهرس 
Effect of hip lateral rotators strengthening on mechanical low back pain
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Abstract
Background: Mechanical low back pain (MLBP) is a major cause of illness and disability, especially in people of working age, hip rotators muscles is identified as a potential source and contributor to low back dysfunction, and impairments in hip mobility. Purpose: To investigate the effect of hip lateral rotators strength on mechanical low back pain. Methods: Thirty patients with mechanical low back pain (MLBP) were assigned randomly into two equal matched groups (group A&B) received same traditional physical therapy program (stretching exercises of back muscles, hamstring and piriformis muscles, strengthening exercises for abdominal muscles) (one session every other day) each session last for approximately one hour in addition to this traditional physical therapy program, group A received hip lateral rotators strengthening exercises in the same 12 sessions.The variable of hip lateral rotators strength was measured using isokinetic Biodex system. The variable of pain measured using visual analogue scale. The variable of function measured using Oswstery back disability questionnaire.Results: This study revealed that the mechanical back pain is significantly improved in both groups when compared pre and post treatment. There is a significant difference between groups comparison post treatment in favor of group (A). Conclusion: It was concluded that hip lateral rotators strengthening exercise add more value to the traditional physical therapy program in treatment of mechanical low back pain