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Forced Aerobic Exercise Enhances Motor Recovery After Stroke: A Case Report.

ABSTRACT: Previously, we demonstrated that forced aerobic exercise (FE) increases the pattern of neural activation in Parkinson's disease. We sought to evaluate whether FE, when coupled with repetitive task practice, could promote motor recovery poststroke.A 46-yr-old man with ischemic stroke exhibited chronic residual upper-extremity deficits, scoring 35/66 on the Fugl-Meyer Assessment (FMA) at baseline. He completed 24 training sessions comprising 45 min of FE on a motorized stationary bicycle followed by 45 min of upper-extremity repetitive task practice.From baseline to end of treatment, the FMA score improved by 20 points, perceived level of recovery on the Stroke Impact Scale increased by 20 percentage points, and cardiovascular function measured by peak oxygen uptake improved 30%. These improvements persisted 4 wk after the intervention ceased.FE may be a safe and feasible rehabilitation approach to augment recovery of motor and nonmotor function while improving aerobic fitness in people with chronic stroke.

SUBMITTER: Linder SM

PROVIDER: S-EPMC4482578 | biostudies-literature | 2015 Jul-Aug

REPOSITORIES: biostudies-literature

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Forced Aerobic Exercise Enhances Motor Recovery After Stroke: A Case Report.

Linder Susan M SM Rosenfeldt Anson B AB Rasanow Matthew M Alberts Jay L JL

The American journal of occupational therapy : official publication of the American Occupational Therapy Association 20150701 4

<h4>Objective</h4>Previously, we demonstrated that forced aerobic exercise (FE) increases the pattern of neural activation in Parkinson's disease. We sought to evaluate whether FE, when coupled with repetitive task practice, could promote motor recovery poststroke.<h4>Method</h4>A 46-yr-old man with ischemic stroke exhibited chronic residual upper-extremity deficits, scoring 35/66 on the Fugl-Meyer Assessment (FMA) at baseline. He completed 24 training sessions comprising 45 min of FE on a motor ...[more]

PMID: 26114455

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Project description:Previous treadmill exercise studies showing neuroprotective effects have raised questions as to whether exercise or the stress related to it may be key etiologic factors. In this study, we examined different exercise regimens (forced and voluntary exercise) and compared them with the effect of stress-only on stroke protection. Adult male Sprague-Dawley rats (n = 65) were randomly assigned to treatment groups for 3 weeks. These groups included control, treadmill exercise, voluntary running wheel exercise, restraint, and electric shock. Levels of the stress hormone, corticosterone, were measured in the different groups using ELISA. Animals from each group were then subjected to stroke induced by a 2-h middle cerebral artery (MCA) occlusion followed by 48-h reperfusion. Infarct volume was determined in each group, while changes in gene expression of stress-induced heat shock proteins (Hsp) 27 and 70 were compared using real-time PCR between voluntary and treadmill exercise groups. The level of corticosterone was significantly higher in both stress (P < 0.05) and treadmill exercise (P < 0.05) groups, but not in the voluntary exercise group. Infarct volume was significantly reduced (P < 0.01) following stroke in rats exercised on a treadmill. However, the amelioration of damage was not duplicated in voluntary exercise, even though running distance in the voluntary exercise group was significantly (P < 0.01) longer than that of the forced exercise group (4,828 vs. 900 m). Furthermore, rats in the electric shock group displayed a significantly increased (P < 0.01) infarct volume. Expression of both Hsp 27 and Hsp 70 mRNA was significantly increased (P < 0.01) in the treadmill exercise group as compared with that in the voluntary exercise group. These results suggest that exercise with a stressful component, rather than either voluntary exercise or stress alone, is better able to reduce infarct volume. This exercise-induced neuroprotection may be attributable to up-regulation of stress-induced heat shock proteins 27 and 70.

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Forced Aerobic Exercise Enhances Motor Recovery After Stroke: A Case Report.

Publications

Forced Aerobic Exercise Enhances Motor Recovery After Stroke: A Case Report.

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