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Överskrift Exercise therapy for patellofemoral pain syndrome
Upplaga Issue 4
Sidor CD003472
Överskrift Exercise therapy for patellofemoral pain syndrome
Beskrivning BACKGROUND: Patellofemoral pain syndrome (PFPS) is a common problem among adolescents and young adults, characterised by retropatellar pain (behind the kneecap) or peripatellar pain (around the kneecap) when ascending or descending stairs, squatting or sitting with flexed knees. Etiology, structures causing the pain and treatment methods are all debated in literature, but consensus has not been reached so far. Exercise therapy to strengthen the quadriceps is often prescribed, though its efficacy is still debated. OBJECTIVES: This review aims to summarise the evidence of effectiveness of exercise therapy in reducing anterior knee pain and improving knee function in patients with PFPS. SEARCH STRATEGY: We searched the Cochrane Musculoskeletal Injuries Group and Cochrane Rehabilitation and Related Therapies Field specialised registers, the Cochrane Controlled Trials Register, PEDro - The Physiotherapy Evidence Database, MEDLINE, EMBASE, CINAHL, up till December 2001 for controlled trials (randomised or not) comparing exercise therapy with control groups, or comparing different types of exercise therapy. SELECTION CRITERIA: Only trials focusing on exercise therapy in patients with PFPS were considered. Trials in patients with other diagnoses such as tendinitis, Osgood Schlatter syndrome, bursitis, traumatic injuries, osteoarthritis, plica syndrome, Sinding-Larssen-Johansson syndrome and patellar luxations were excluded. DATA COLLECTION AND ANALYSIS: From 750 publications 12 trials were selected. All included trials studied quadriceps strengthening exercises. Outcome assessments for knee pain and knee function in daily life were used in a best evidence synthesis to summarise evidence for effectiveness. MAIN RESULTS: One high and two low quality studies used a control group not receiving exercise therapy. Significantly greater pain reduction in the exercise groups was found in one high and one low quality study, though at different time points. Only one low quality study reported significantly greater functional improvement with exercise. Five studies compared exercise therapies that could be designated closed kinetic chain exercise (foot in contact with a surface) versus open kinetic chain exercise (foot not in contact with a surface). Two of these studies were of high quality, but no significant differences in improvement of function or reduction of pain were apparent between the types of exercise in any of the studies. The remaining four studies, all of which were of low quality, focused on other treatment comparisons. AUTHORS' CONCLUSIONS: The evidence that exercise therapy is more effective in treating PFPS than no exercise was limited with respect to pain reduction, and conflicting with respect to functional improvement. There is strong evidence that open and closed kinetic chain exercise are equally effective. Further research to substantiate the efficacy of exercise treatment compared to a non-exercising control group is needed, and thorough consideration should be given to methodological aspects of study design and reporting. PLAIN LANGUAGE SUMMARY: There is some evidence that exercise therapy might help to reduce knee pain associated with patellofemoral pain syndrome, but further trials are neededPatellofemoral pain syndrome (PFPS) is common among adolescents and young adults. The most common symptom is pain surrounding the knee cap when sitting with bent knees (movie sign) or when performing exercises like climbing stairs or squatting. Different treatments can be tried to reduce the pain and difficulties experienced during daily activities, including drugs and massage. Exercise regimens to strengthen the muscles surrounding and supporting the knee are another option. The review of exercise therapy found some evidence that exercise therapy might help to reduce the pain of PFPS. Whether exercise reduces knee problems during daily activities is unclear however, and more trials are needed.
Källa The Cochrane Database of Systematic Reviews
Publicerad 2003
Författare Berger MY, Bernsen RMD, Bierma-Zeinstra SMA, Derevnina NA, Heintjes E, Kniazeva TA, Koes BW, Krasnikov VE, Orekhova EM, Otto MP, Tupitsyna IuIu, Verhaar JAN


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