Patellofemoral Pain Syndrome
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Age range from 18 to 40 years old; (2) Unilateral or bilateral anterior knee joint pain for 4 weeks (when bilateral pain occurs, the side with stronger pain intensity will be considered as the affected side according to VAS score evaluation); (3) Pain around or behind the patella, aggravated by at least one activity during prolonged sitting, climbing stairs, squatting, running, kneeling, or jumping. (4) Symptoms not caused by trauma; (5) At least two of the following tests are positive: palpation of pain at the posterior edge of the patella; Pain during squatting; Positive patellar grinding test; The quadriceps muscle contraction test was positive. (6) The patient accepts and cooperates with the treatment, and agrees to sign an informed consent form; Not receiving any medication or physical therapy.
Exclusion criteria
Exclusion criteria: (1) A history of patellar dislocation or subluxation, cartilage injury, or ligament relaxation; (2) Suspected patellar tendon disease, local patellar tendon pain; (3) Previous knee surgery or arthritis; (5) other knee joint injuries such as meniscus or ligament; (6) Patients contraindicated by low-frequency electrotherapy and those who could not tolerate electrical stimulation; (7) Presence of neurological, cardiovascular or blood-related diseases; (8) The knee joint is locked and/or soft; (9) Concurrent acute or chronic diseases; (10) Surgical history or surgical plans for other lower limb problems; (11) The patient is participating in other lower limb training programs; (12) Poor health, pregnancy or breastfeeding, etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Visual Analogue Scale;Anterior knee pain scale; | — |
Secondary
| Measure | Time frame |
|---|---|
| Quadriceps muscle strength;Quadriceps muscle thickness; | — |
Countries
China
Contacts
Beijing Sport University