“…11,18,30 Randomized controlled trials (RCTs) evaluating interventions for persons with PFP primarily have focused on quadriceps strengthening, 29 generalized lower extremity strengthening, 3,31 patella taping, 32 and foot orthotics. 7,12 To date, 3 RCTs have assessed the influence of hip muscle strengthening on PFP symptoms. 10,14,20 In studies by Fukuda et al 14 and Nakagawa et al 20 quadriceps strengthening was compared to a program consisting of both hip and quadriceps strengthening.…”