Patellofemoral pain syndrome
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Participants who meet the following criteria will be included: (i) age between 18 and 40 years; (ii) previous unilateral knee pain when performing at least two of the following activities: staying seated for a prolonged period, squating, kneeling, running, going up and down stairs, jumping and landing from jumping; (iii) previous knee pain with insidious onset of at least 6 months; (iv) worse self-reported pain in the last month of at least 30 mm on the visual analog scale (VAS) of 100 mm.
Exclusion criteria
Exclusion criteria: Participants who meet the following criteria will not be included in the study: (i) previous self-reported knee pain caused by knee trauma; (ii) history of dislocation or patellar subluxation; (iii) clinical evidence of meniscal injury or ligament instability assessed by a trained physical therapist; (iv) clinical osteoarthritis in any joint of the lower limbs evaluated by a trained physiotherapist according to the EULAR criteria; (v) patellar tendinopathy assessed by a trained physical therapist; and (vi) previous physical therapy for the treatment of DFP (at least 6 months prior to the study) and (vii) answer “yes” on any questions on the PAR-Q physical activity readiness questionnaire.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain improvement, assessed through the 100mm visual analogue scale (VAS) with a decrease of at least 20mm.;Self-reported recovery evaluated through a 7-point likert sclae, with a significant difference defined as "better" or "much better". | — |
Secondary
| Measure | Time frame |
|---|---|
| Improvement in Anxiety and Depression assessed by the Hospital Anxiety and Depression Scale (HADS), with a decrease of at least 8 points for anxiety and 6 points for depression.;Improvement in self-reported Function assessed by the Knee Anterior Pain Scale (AKPS), with an increase of at least 7 points.;Improvement in Kinesiophobia assessed by the Tampa Scale for Kinesiophobia (Tampa) with a decrease of at least 3.24 points.;Improvement in Catastrophism assessed by the Pain Catastrophizing Scale (PCS) with a decrease of at least 13.2 points.;Improvement in Pain Self-Efficacy assessed through the Chronic Pain Self-Efficacy Scale (CPSS) with a decrease of at least 0.3 points.;Improvement in self-reported physical activity level assessed by the International Physical Activity Questionnaire (IPAQ) short-form, with an increase of at least 1039 METS. | — |
Countries
Brazil
Contacts
Universidade Estadual Paulista Júlio de Mesquita Filho Campus Presidente Prudente