VO2 prediction and cardiorespiratory responses during underwater treadmill exercise.

abstract

• We compared cardiorespiratory responses to exercise on an underwater treadmill (UTM) and land treadmill (LTM) and derived an equation to estimate oxygen consumption (VO2) during UTM exercise. Fifty-five men and women completed one LTM and five UTM exercise sessions on separate days. The UTM sessions consisted of chest-deep immersion, with 0, 25, 50, 75, and 100% water-jet resistance. All session treadmill velocities increased every 3 min from 53.6 to 187.8 m x min(-1). Cardiorespiratory responses were similar between LTM and UTM when jet resistance for UTM was 50%. Using multiple regression analysis, weight-relative VO2 could be estimated as: VO2 (mLO2 c kg(-1) x min(-1)) = 0.19248 x height (cm) + 0.17422 x jet resistance (% max) + 0.14092 x velocity (m x min(-1)) -0.12794 x weight (kg)-27.82849, R2 = .82. Our data indicate that similar LTM and UTM cardiorespiratory responses are achievable, and we provide a reasonable estimate of UTM VO2.

authors

• Crouse, Stephen
• Green, John

published proceedings

• Res Q Exerc Sport

author list (cited authors)

• Greene, N. P., Greene, E. S., Carbuhn, A. F., Green, J. S., & Crouse, S. F.

citation count

• 12

complete list of authors

• Greene, Nicholas P||Greene, Elizabeth S||Carbuhn, Aaron F||Green, John S||Crouse, Stephen F

publication date

• January 2011

publisher

• Taylor & Francis  Publisher

published in

• Research Quarterly for Exercise and Sport  Journal

keywords

• Adult
• Blood Pressure
• Body Weight
• Exercise Test
• Female
• Heart Rate
• Humans
• Immersion
• Male
• Middle Aged
• Oxygen Consumption
• Physical Exertion
• Regression Analysis
• Water

Digital Object Identifier (DOI)

• 10.1080/02701367.2011.10599754

start page

• 264

end page

• 273

volume

• 82

issue

• 2

URL

• http%3A%2F%2Fdx.doi.org%2F10.1080%2F02701367.2011.10599754