Efficacy of Patellar Taping and Electromyographic Biofeedback Training at Various Knee Angles on Quadriceps Strength and Functional Performance in Young Adult Male Athletes with Patellofemoral Pain Syndrome: A Randomized Controlled Trial.

"Conflicts of Interest The authors of this paper claim that there were no conflicts of interest in connection with the research that was carried out and detailed in this publication."

"The authors are thankful to Deputyship for Research and Innovation, Ministry of Education, Saudi Arabia, for funding this research work through the Project no. IFP-2020-26. The authors are also grateful to the faculty members of Majmaah University for their support and assistance in this investigation."

" The findings indicated that individuals who trained their quadriceps at a 60° knee angle had significantly stronger quadriceps muscles than individuals who trained at 30° or 90° of knee flexion. Trial Registration . This trial is registered at Clinical Trials.gov under the identifier NCT05055284 ."