|Purpose of this study were to investigate validity of walking for improvement of aerobic work capacity and ratings of perceived exertion (RPE) as an index of exercise intensity in hemipararetic stroke patients.
The results showed that exercise intensity levels of walking in water were 52.9±4.81％HRmax (CW:Comfortable-Speed Walking), 53.7±3.44％HRmax (FW:Fast-Speed Walking) and 19.0±8.14％HRreserve (CW), 20.4±5.65％HRreserve (FW). These values were similar with those of walking on land《56.9±5.15％HRmax (CW), 21.8±6.86％HRreserve (CW)》. It was suggested that walking in water might be an adequate exercise mode for improvement of aerobic work capacity.
Moreover, equations of linear regression between RPE and HR during walking on land and in water were y=90.64+0.30x (R=0.093) and y=81.56-0.24x (R=0.075), respectively. It was suggested that there was no validity of RPE as an index of exercise intensity in hemipararetic stroke patients.
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