Quadriceps atrophy: to what extent does it exist in patellofemoral pain syndrome?

• Published in: British journal of sports medicine Vol. 38; no. 3; pp. 295 - 299
• Main Authors: Callaghan, M J, Oldham, J A
• Format: Journal Article
• Language: English
• Published: England BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine 01.06.2004; BMJ Publishing Group LTD; BMJ Group
• Subjects: Adult; anterior knee pain; Asymptomatic; Atrophy; computerised axial tomography; cross-sectional area; CSA; CSA, cross-sectional area; CT, computerised axial tomography; Female; Humans; isokinetic torque; Knee; Leg - physiopathology; magnetic resonance; Male; MR, magnetic resonance; Muscle Contraction - physiology; Muscle, Skeletal - diagnostic imaging; Muscle, Skeletal - pathology; Muscle, Skeletal - physiopathology; Muscular Atrophy - complications; Muscular Atrophy - pathology; Muscular Atrophy - physiopathology; Original; Original articles; Pain; patellofemoral pain; patellofemoral pain syndrome; Patellofemoral Pain Syndrome - complications; Patellofemoral Pain Syndrome - pathology; Patellofemoral Pain Syndrome - physiopathology; Patients; PFPS; PFPS, patellofemoral pain syndrome; quadriceps atrophy; Rehabilitation; Trauma; Ultrasonography; ultrasound; ultrasound scanning; US, ultrasound; United States > US

Background: Quadriceps atrophy is a commonly cited accompaniment to patellofemoral pain syndrome (PFPS), yet there is little valid, objective evidence for its existence. Objective: To investigate atrophy and weakness of the quadriceps femoris muscle group in patients with PFPS using measures of cros...