SOME EXPERIMENTAL LOAD DISTRIBUTIONS STUDIED ON THE TREADMILL

Abstract

The energy cost of carrying loads of 15 and 45 pounds in five different distributions, has been studied on a horizontal, motor-driven treadmill maintained at 3.5 mph. The hypothesis that extra energy is required for accelerating and decelerating loads that are attached to body parts which undergo rapid changes in velocity during walking has received support from the findings of this study. The feasibility of loads balanced fore and aft on the upper thorax is suggested. Measurements of pulmonary function are in no way different from those obtained for the other experimental distributions. Two groups of test subjects, a fat and a lean group, have followed an identical schedule. It has been found that the fat group has a slight disadvantage in carrying a given external weight, as compared to lean carriers.(QRDC abstract) (See also AD-0021-004)

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Document Details

Document Type
Technical Report
Publication Date
Jun 30, 1953
Accession Number
AD0021003

Entities

People

  • Jan H. Vanderbie

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Analysis Of Variance
  • Analyzers
  • Body Regions
  • Center Of Gravity
  • Deceleration
  • Government Procurement
  • Governments
  • Heart Rate
  • Life Preservers
  • Load Distribution
  • Measurement
  • National Security
  • Physiology
  • Pulmonary Function
  • Respiration
  • Security

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  • Cardiovascular Physiology
  • Fluid Dynamics.
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