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Forest plot detailing the analysis of movement and muscular functions in the sagittal plane: a flexor muscle strength retrospective results, b flexor muscle flexibility prospective results, c flexor muscle flexibility retrospective results, d extensor muscle strength retrospective results, and e flexor-to-extensor muscle strength ratio retrospective results. SRGP sports-related groin pain, SD standard deviation, Std standard, IV inverse variance, CI confidence interval
