This study will be conducted to investigate the relationship between knee joint pain intensity and joint position sense accuracy in patients with patellofemoral pain syndrome (PFPS) in a single-leg squat position.
Age ranges from 18-35 years
BMI ranges from 18-25 kg/m2
Positive eccentric step test
Anterior or retropatellar knee pain present during at least two of the following - ascending/descending stairs, hopping/running, squatting, kneeling and prolonged sitting
Knee pain is more than 6 score on ANPRS.
History of traumatic patellar dislocation or subluxation
Osteoarthritis in the knee, ankle or hip joints, injury of cruciate ligaments or menisci
Previous orthopedic disorders or neurologic deficit of the lower limbs, any sensory problems, leg length discrepancy, neuromuscular disease like multiple sclerosis