期刊
SPINAL CORD
卷 46, 期 11, 页码 733-737出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/sc.2008.56
关键词
spinal cord injury; chronic; therapy; exercise; motor system
资金
- National Center of Research Resources [5M011 RR-00827-29]
- US Public Health Service
- Nicholas Foundation Prize to SCC
Background: Exercise has beneficial effects on muscle and motor function after spinal cord injury (SCI). Little is known regarding effects of prolonged intense exercise (IE) in humans with chronic SCI. Design: Prospective, non-randomized, controlled observational study. The intervention was either a multimodal IE program (n = 21) or a control (CTL) intervention consisting of self-regulated exercise (n = 8). Objective: Measure sensorimotor function over 6 months in relation to an IE program. Setting: Single outpatient center. Subjects: Subjects with chronic SCI (n = 29 total), mainly ASIA Impairment Scale A and B, injury levels C4-T11. Results: Baseline neurological assessments (for example, ASIA motor score, 39 +/- 3 vs 42 +/- 5, IE vs CTL, P>0.5, mean +/- s.e.m.) did not differ between the two groups. During the 6 months, IE subjects averaged 7.3 +/- 0.7 h per week exercise, not significantly different from CTL subjects (5.2 +/- 1.3 h per week, P>0.1). However, after 6 months, IE subjects showed significantly greater motor gains than CTL subjects in the main outcome measure, ASIA motor score (change of 4.8 +/- 1.0 vs -0.1 +/- 0.5 points, P = 0.0001). The main outcome measure was calculated by ASIA motor score. These IE subject ASIA motor gains correlated with number of exercise hours per week (r = 0.53, P<0.02), and with type of specific IE components, particularly load bearing. Conclusions: Multimodal IE can significantly improve motor function in subjects with chronic SCI. An organized program may provide greater motor benefits than a self-regulated program; load bearing might be of particular value. IE might have therapeutic value in chronic SCI, and as an adjunct to other restorative therapies.
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