Patellofemoral Pain Syndrome
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Presence of unilateral retropatellar or peripatellar pain not caused by trauma; 2. Pain VAS >= 3 cm, persisting for over 8 weeks; 3. Pain reproducible during two or more functional activities: squatting, jumping, prolonged sitting, kneeling, stair climbing, walking, or running; 4. Other potential causes of anterior knee pain have been ruled out.
Exclusion criteria
Exclusion criteria: 1. History of patellar dislocation, subluxation, cartilage damage, ligament laxity, or other knee joint injuries; 2. Other knee joint pathologies, such as knee osteoarthritis, tibial tubercle osteochondrosis, patellar tendon disorders, iliotibial band syndrome, or other tendon pathologies; 3. Previous knee surgery or arthritis; 4. Any invasive procedure involving the intervention knee within the past 12 months, such as arthroscopy or intra-articular injections; 5. Physical therapy or exercise therapy interventions targeting the intervention knee within the past 6 months; 6. Nonsteroidal anti-inflammatory drug (NSAID) treatment within the past 3 months; 7. Any neurological, cardiac, or vascular disease, such as coagulation disorders; 8. Other acute, chronic, or psychiatric conditions affecting physical or cognitive function; 9. Pregnancy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| visual analog scale (VAS);knee pain scales (AKPS);Lysholm scale; | — |
Secondary
| Measure | Time frame |
|---|---|
| peak knee extension moments at 60°/s and 120°/s angular velocities;quadriceps muscle thickness;Y-balance test;electrophysiological indicators maximal isometric contractions of quadriceps; | — |
Countries
China
Contacts
Beijing Sport University