Abstract Background The aims of this study were to evaluate the construct validity (known group). concurrent validity (criterion based) and test-retest (intra-rater) reliability of manual goniometers to measure passive hip range of motion (ROM) in femoroacetabular impingement patients and healthy controls. Methods Passive hip flexion. abduction. https://herbsdailyes.shop/product-category/other-home-and-garden-products/