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Animal motility and gravity.

Authors
  • Full, R J
Type
Published Article
Journal
The Physiologist
Publication Date
Feb 01, 1991
Volume
34
Issue
1 Suppl
Identifiers
PMID: 2047418
Source
Medline
License
Unknown

Abstract

1. Specific resistance to locomotion will remain constant if changes in the amount of force produced or in the cost of force production are directly proportional to changes in gravitational acceleration. 2. If changes in gravitational acceleration result in a disproportionate decrease of the effective mechanical advantage of limbs or reduction in contact time for developing force, then specific resistance may increase. 3. If changes in gravitational acceleration disproportionately increase effective mechanical advantage or the contact time for developing force, then specific resistance may decrease. 4. Finally, changes in the direction and magnitude of gravitational acceleration will affect the energetics and mechanics of animal motility even for small runners that appear to defy gravity.

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