Squatting re-education with lumbo-pelvic-thigh muscles cocontraction improves functional performance in patellofemoral pain syndrome: a case report

Anterior knee pain with or without joint crepitus during squatting is the common clinical feature in the individuals with patellofemoral pain syndrome (PFPS). Altered lower extremity alignment and lumbo-pelvic-thigh muscles motor control is often associated with PFPS. Although current interventions recommend individual muscle activation and strength training exercises, the reported benefits of cocontraction based exercises in PFPS is limited. It might be due to the long standing hypothesis that the exercise induced cocontraction of thigh muscles may induce a negative effect by increasing the joint contact forces in individuals with knee osteoarthritis.

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