Effect of stride frequency on metabolic costs and rating of perceived exertion during walking in water

Kenji Masumoto, Yoshiko Nishizaki, Ayako Hamada

研究成果: Contribution to journalArticle査読

3 被引用数 (Scopus)

抄録

We investigated the effect of stride frequency (SF) on metabolic costs and rating of perceived exertion (RPE) during walking in water and on dry land. Eleven male subjects walked on a treadmill on dry land and on an underwater treadmill at their preferred SF (PSF) and walked at an SF which was lower and higher than the PSF (i.e., PSF±5, 10, and 15stridesmin-1). Walking speed was kept constant at each subject's preferred walking speed in water and on dry land. Oxygen uptake, heart rate, RPE, PSF and preferred walking speeds were measured. Metabolic costs and RPE were significantly higher when walking at low and high SF conditions than when walking at the PSF condition both in water and on dry land (P<0.05). Additionally, the high SF condition produced significantly higher metabolic costs and RPE than the equivalent low SF condition during walking in water (P<0.01). Furthermore, metabolic costs, RPE, PSF, and the preferred walking speed were significantly lower in water than on dry land when walking at the PSF (P<0.05). These observations indicate that a change in SF influences metabolic costs and RPE during walking in water.

本文言語英語
ページ(範囲)335-339
ページ数5
ジャーナルGait and Posture
38
2
DOI
出版ステータス出版済み - 6 2013
外部発表はい

All Science Journal Classification (ASJC) codes

  • 生物理学
  • 整形外科およびスポーツ医学
  • リハビリテーション

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