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Oxygen used in horizontal and grade walking and running on the treadmill

Dill, D. B.·1965·Journal of Applied Physiology
DOI 10.1152/jappl.1965.20.1.19
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Abstract

The net oxygen cost of level and grade running was determined in three men-the author and two champion runners. The horizontal costs for the three were in agreement at the lower rates and for the two runners at high rates. A curve enables one to estimate the cost of horizontal walking and running and also of the horizontal component of grade walking and running. With this as a basis the cost of the vertical component in grade walking was found to be 1.53 ml/m·kg for the author and 1.31 ml/m·kg for one of the runners in both walking and running. This latter value and the curve relating the cost of the horizontal component to the rate of walking and running were used to estimate the cost of grade walking and running for seven other champion runners. The estimates checked closely with the observed cost in five. Marathoner DeMar was more efficient and the seventh runner was less efficient than predicted. champion athletes; work performance; work efficiency; oxygen cost of climbing Submitted on April 13, 1964

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  • The inability of skeletal muscle to convert lost gravitational potential energy into accumulated chemical energy reveals the physiologically unsound foundation of this prevailing approach.

    “The inability of skeletal muscle to convert lost gravitational potential energy into accumulated chemical energy reveals the physiologically unsound foundation of this prevailing approach (3,8,17,25,56,78).”

    From Walking economy is predictably determined by speed, grade, and gravitational load. (2017) · cites this paper as [17]

  • The ACSM equation includes speed and positive-only gradient capabilities but does not incorporate negative gradients or load carriage.

    “The long-standing, frequently used equation of the American College of Sports Medicine (ACSM, 10) also evolved from a number of smaller datasets (11, 12) to include speed and positive-only gradient capabilities. However, the ACSM equation does not presently incorporate either negative gradients or load carriage.”

    From Real-world walking economy: can laboratory equations predict field energy expenditure? (2021) · cites this paper as [11]

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Metadata

Authors
Dill, D. B.
Venue
Journal of Applied Physiology
Publisher
American Physiological Society
Published
1965-01-01
Volume
20
Issue
1
Pages
19-22
ISSN
  • 8750-7587
  • 1522-1601
DOI
10.1152/jappl.1965.20.1.19
Cited by
84
References
0
Language
en

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