PubMed · 9887821
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M Wells. Pointing to change.. https://pubmed.ncbi.nlm.nih.gov/9887821/
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BACKGROUND: Exercise therapy is a widely used treatment for low back pain. OBJECTIVES: The objective of this review was to assess the effectiveness of exercise therapy for low back pain with regard to pain intensity, functional status, overall improvement and return to work. SEARCH STRATEGY: We searched the Cochrane Controlled Trials Register (1999, issue 1), MEDLINE (1966 - April 1999), EMBASE (1988 - September 1998), PsycLIT (from 1984 to April 1999) and reference lists of articles. SELECTION CRITERIA: Randomised trials of all types of exercise therapy for subjects with non-specific low back pain with or without radiation into the legs. DATA COLLECTION AND ANALYSIS: Two reviewers independently extracted data and assessed trial quality. Because trials were considered heterogeneous with regard to study populations, interventions and outcomes, we decided not to perform a meta-analysis but to summarise the results using a rating system of four levels of evidence (strong, moderate, limited or no evidence). MAIN RESULTS: 39 RCTs were identified. There is strong evidence that exercise therapy is not more effective than inactive or other active treatments it has been compared with for acute low back pain. There is conflicting evidence on the effectiveness of exercise therapy compared with inactive treatments for chronic low back pain. Exercise therapy was more effective than usual care by the general practitioner and equally effective as conventional physiotherapy for chronic low back pain. REVIEWER'S CONCLUSIONS: The evidence summarised in this systematic review does not indicate that specific exercises are effective for the treatment of acute low back pain. Exercises may be helpful for chronic low back pain patients to increase return to normal daily activities and work.
BACKGROUND: Exercise is an inexpensive, low risk option compared with other more invasive therapies for leg pain on walking (intermittent claudication). OBJECTIVES: The objective of this review was to determine the effects of exercise for leg pain. SEARCH STRATEGY: The reviewers searched the Cochrane Peripheral Vascular Diseases Group trials register, Embase, reference lists of relevant articles, and contacted principal investigators of trials. SELECTION CRITERIA: Randomised trials of exercise regimens in patients with leg pain on walking (intermittent claudication). DATA COLLECTION AND ANALYSIS: At least two reviewers extracted and assessed data trial quality independently. The reviewers contacted investigators to obtain information or data needed for the review that could not be found in published reports. MAIN RESULTS: Fifteen trials were identified that met the inclusion criteria, but five were subsequently excluded because of poor quality. The remaining ten trials involved a total of almost 250 male and female patients with stable leg pain. The follow-up ranged from 12 weeks to 15 months. There was also some variation in the exercise regimens used, although all recommended at least two weekly sessions of, mostly, supervised exercise. All trials used a treadmill walking test as one of the outcome measures. The overall quality of the included trials was generally good, though the trials were all small (20-49 patients). Exercise therapy significantly improved maximal walking time (minutes) (weighted mean difference 6.51, 95% confidence interval 4.36 to 8.66, fixed effect model [FE]), with an overall improvement in walking ability of approximately 150% (range 74% to 230%). Exercise produced significant improvements in walking time compared with both angioplasty at six months (weighted mean difference 3.30, 95% confidence interval 2.21 to 4.39, FE) and antiplatelet therapy (weighted mean difference 1.06, 95% confidence interval 0.15 to 1.97, FE), and did not differ significantly from surgical treatment. In one small trial, exercise was less effective than pentoxifylline (weighted mean difference -0.45, 95% confidence interval -0.66 to -0.24, FE). REVIEWER'S CONCLUSIONS: Exercise is of significant benefit to patients with leg pain.