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Kinematic and Kinetic Evaluation of High Speed Backward Running

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Kinematic and Kinetic Evaluation of High Speed Backward Running

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    Available in PDF Format | Kinematic and Kinetic Evaluation of High Speed Backward Running.pdf | Unknown
    Alan W. Arata
This is a AIR FORCE INST OF TECH WRIGHT-PATTERSONAFB OH report procured by the Pentagon and made available for public release. It has been reproduced in the best form available to the Pentagon. It is not spiral-bound, but rather assembled with Velobinding in a soft, white linen cover. The Storming Media report number is A163663. The abstract provided by the Pentagon follows: The purpose of the study was to investigate the kinematic and kinetic parameters associated with high-speed backward running (BR). Thirty male subjects from two groups (15 Elite who used BR during athletic competition and 15 Athletic habitual runners) performed running trials for each of the following conditions: maximum velocity BR (BRmax), 80% of maximum BR, 60% of maximum BR, maximum velocity forward running and FR (FRmax) at a velocity equal to BRmax. Sagittal view high speed video (200 Hz) and force platform data (1000 Hz) were obtained and the following parameters were evaluated: stride length, stride frequency, intrinsic support length, stance time, trunk angle, hip, knee and ankle ranges of motion, hip, knee and ankle loading rate, resultant active peak, time to resultant active peak, initial anterior-posterior (A-P) peak, and final A-P braking force. Separate repeated measures ANOVAs were conducted to compare a) BR velocity conditions, b) equal efforts for BR and FR, and c) equal velocities for BR and FR.  
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Book details

  • PDF | 213 pages
  • Alan W. Arata
  • Storming Media
  • Unknown
  • 5
  • Other
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