Physiotherapy for anterior knee pain: a randomised controlled trial
- aDepartment of Orthopaedics, City Hospital Nottingham, bDepartment of Physiotherapy, City Hospital Nottingham, cTrent Institute for Health Services Research, The Medical School Queen's Medical Centre, Nottingham, dQueen's Medical Centre, Nottingham, eAcademic Rheumatology, Clinical Sciences Building, City Hospital Nottingham
- Dr David Ian Clark, 60 Holme Road, West Bridgford, Nottingham NG2 5AD, UK Email:davidclark7{at}compuserve.com
Abstract
OBJECTIVE To determine the efficacy of the individual components of physiotherapy in subjects with anterior knee pain.
METHODS An observer blind, prospective, factorial design randomised controlled trial. 81 young adults with anterior knee pain were randomly allocated to one of four treatment groups: (1) exercise, taping, and education; (2) exercise and education; (3) taping and education; and (4) education alone. Each group received six physiotherapist-led treatments over three months. Follow up took place at three months using the following outcome measures: patient satisfaction (discharge/refer for further treatment); a visual analogue pain score; the WOMAC lower limb function score; the Hospital Anxiety and Depression scale (HAD); and quadriceps strength. At 12 months the WOMAC and HAD were assessed by postal questionnaire.
RESULTS All groups showed significant improvements in WOMAC, visual analogue, and HAD scores; these improvements did not vary significantly between the four groups or between exercising/non-exercising and taped/non-taped patients at three and 12 months. However, patients who exercised were significantly more likely to be discharged at three months than non-exercising patients (χ2, p<0.001). Taping was not significantly associated with discharge. Significantly greater improvements in WOMAC, visual analogue, and the anxiety score (but not the depression score) were seen in patients who were discharged than in those who were referred.
CONCLUSIONS The proprioceptive muscle stretching and strengthening aspects of physiotherapy have a beneficial effect at three months sufficient to permit discharge from physiotherapy. These benefits are maintained at one year. Taping does not influence the outcome.
