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Clinical Trial
. 1993 Feb;18(2):232-8.

Lumbar strengthening in chronic low back pain patients. Physiologic and psychological benefits

S V Risch  1 , N K Norvell, M L Pollock, E D Risch, H Langer, M Fulton, J E Graves, S H Leggett
Affiliations
  • PMID: 8185727
Clinical Trial

Lumbar strengthening in chronic low back pain patients. Physiologic and psychological benefits

S V Risch et al. Spine (Phila Pa 1976). 1993 Feb.

Abstract

The effects of exercise for isolated lumbar extensor muscles were examined in 54 chronic low-back pain patients. Subjects were randomly assigned to a 10-week exercise program (N = 31) or a wait-list control group (N = 23). Results indicated a significant increase in isometric lumbar extension strength for the treatment group and a significant reduction in reported pain compared with the control group (P 0.05). Treated subjects reported less physical and psychosocial dysfunction whereas the control group increased in pain, and physical and psychosocial dysfunction. There were no concomitant changes in reported daily activity levels. These results show that lumbar extension exercise is beneficial for strengthening the lumbar extensors and results in decreased pain and improved perceptions of physical and psychosocial functioning in chronic back pain patients. However, these improvements were not related to changes in activities or psychological distress.

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