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Evaluation of a torque-driven model of jumping for height.

This study used an optimization procedure to evaluate an 8-segment torque-driven subject-specific computer simulation model of the takeoff phase in running jumps for height. Kinetic and kinematic data were obtained on a running jump performed by an elite male high jumper. Torque generator activation...

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Published in:Journal of Applied Biomechanics Vol. 22; no. 4; pp. 264 - 275
Main Authors: King MA, Wilson C, Yeadon MR
Format: pictorial research tables/charts Journal Article
Published: Human Kinetics Publishers, Inc. Nov2006
Online Access:View this record in EBSCOhost
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      jtl: Journal of Applied Biomechanics
      issn: 10658483
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      dt: Nov2006
      vid: 22
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      pid: 553
      pub: Human Kinetics Publishers, Inc.
      place: Champaign, Illinois
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        2009347261
        10.1123/jab.22.4.264
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        atl: Evaluation of a torque-driven model of jumping for height.
      aug:
        au:
          King MA
          Wilson C
          Yeadon MR
        affil: Loughborough University
      sug:
        subj:
          Biomechanics
          Jumping
          Physical Performance
          Torque
          Ankle
          Athletes, Elite
          Body Weights and Measures
          Computer Simulation
          Descriptive Statistics
          Dorsiflexion
          Exercise Physiology
          Extension
          Flexion
          Hip
          Kinematics
          Kinetics
          Knee
          Male
          Plantarflexion
          Shoulder
          Track and Field
          Human
          Male
      ab: This study used an optimization procedure to evaluate an 8-segment torque-driven subject-specific computer simulation model of the takeoff phase in running jumps for height. Kinetic and kinematic data were obtained on a running jump performed by an elite male high jumper. Torque generator activation timings were varied to minimize the difference between simulation and performance in terms of kinematic and kinetic variables subject to constraints on the joint angles at takeoff to ensure that joints remained within their anatomical ranges of motion. A percentage difference of 6.6% between simulation and recorded performance was obtained. Maximizing the height reached by the mass center during the flight phase by varying torque generator activation timings resulted in a credible height increase of 90 mm compared with the matching simulation. These two results imply that the model is sufficiently complex and has appropriate strength parameters to give realistic simulations of running jumps for height.
      pubtype: Academic Journal
      doctype:
        pictorial
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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