“…The outcomes included NPRS [ 16 , 17 , 18 , 30 , 33 , 38 ], VAS [ 31 , 32 , 35 , 36 , 37 ], and measured pain intensity [ 32 ]. Self-reported disability was assessed by the Oswestry Disability Index (ODI) [ 33 , 34 , 35 , 36 , 38 ], the Lower Extremity Functional Scale (LEFS), the Anterior Knee Pain Scale (AKPS) [ 30 ], the Roland–Morris questionnaire [ 37 ], and the Western Ontario and McMaster Universities osteoarthritis index (WOMAC) [ 31 ]. Hip strength was assessed by a handheld isometric dynamometer and a force dynamometer [ 32 , 35 , 37 ].…”