Treadmill walking in water induces greater respiratory muscle fatigue than treadmill walking on land in healthy young men
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The purpose of the present study was to investigate the effect of walking in water on respiratory muscle fatigue compared with that of walking on land at the same exercise intensity. Ten healthy males participated in 40-min treadmill walking trials on land and in water at an intensity of 60 % of peak oxygen consumption. Respiratory function and respiratory muscle strength were evaluated before and after walking trials. Inspiratory muscle strength and forced expiratory volume in 1 s were significantly decreased immediately after walking in water, and expiratory muscle strength was significantly decreased immediately and 5 min after walking in water compared with the baseline. The decreases of inspiratory and expiratory muscle strength were significantly greater compared with that after walking on land. In conclusion, greater inspiratory and expiratory muscle fatigue was induced by walking in water than by walking on land at the same exercise intensity in healthy young men.
KeywordsWalking in water Walking on land Respiratory function Respiratory muscle strength
We would like to thank our volunteers for their time and participation in this investigation.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflicts of interest.
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