Patellofemoral joint pain syndrome
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) 18-40 years of age; (2) unilateral anterior knee pain over 4 weeks ; (3) insidious onset of symptoms unrelated to traumatic accident; (4) presence of pain in any two following activities: running, jumping, squat ting, kneeling, upstairs/downstairs or prolonged sitting; and (5) presence of two signs in following examiniations: pain during apprehension test, pain during patellar compression test, crepitation during the compression test, tenderness upon palpation of the posterior surface of the patella or surrounding structures, and pain during resisted knee extension.
Exclusion criteria
Exclusion criteria: (1) history of patellar dislocation or subluxation, chondral damage, or ligament laxity; (2) suspicion of patellar tendinopathy, localized pain on patellar tendon and relieved pain during knee resisted extension; (3) previous knee surgery or arthritis; (4) any other invasive procedure in the affected knee, including arthroscopy or intra-articular injection in the past 12 months; (5) history of physical therapy or a strengthening procedure of the affected knee in the past 6 months; (6) received nonsteroidal anti-inflammatory drugs (NSAIDs) in the past 3 months; (7) any neurological, heart, or vascular disease, such as blood coagulation disorders; (8) abnormal blood pressure (resting systolic blood pressure [SBP] > 140 or diastolic blood pressure [DBP] > 90 mmHg); (9) other acute or chronic disorders or psychiatric conditions that will affect physical or cognitive functions; (10) pregnancy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| VAS; | — |
Secondary
| Measure | Time frame |
|---|---|
| AKPS;Running biomechanical evaluation; | — |
Countries
China
Contacts
Beijing Sport University