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Parameter determination for a computer simulation model of a diver and a springboard.

This study used kinematic data on springboard diving performances to estimate viscoelastic parameters of a planar model of a springboard and diver with wobbling masses in the trunk, thigh, and calf segments and spring dampers acting at the heel, ball, and toe of the foot segment. A subject-specific...

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Published in:Journal of Applied Biomechanics Vol. 22; no. 3; pp. 167 - 177
Main Authors: Yeadon MR, Kong PW, King MA
Format: equations & formulas pictorial research tables/charts Journal Article
Published: Human Kinetics Publishers, Inc. Aug2006
Online Access:View this record in EBSCOhost
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      jtl: Journal of Applied Biomechanics
      issn: 10658483
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      dt: Aug2006
      vid: 22
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      pub: Human Kinetics Publishers, Inc.
      place: Champaign, Illinois
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        atl: Parameter determination for a computer simulation model of a diver and a springboard.
      aug:
        au:
          Yeadon MR
          Kong PW
          King MA
        affil: School of Sport and Exercise Sciences, Loughborough University, Loughborough, United Kingdom, LE11 3TU
      sug:
        subj:
          Computer Simulation
          Diving
          Kinematics
          Sports Equipment and Supplies
          Algorithms
          Athletes, Elite
          Body Weights and Measures
          Coding
          Descriptive Statistics
          Female
          Funding Source
          Image Processing, Computer Assisted
          Linear Regression
          Mathematics
          Regression
          Sensitivity and Specificity
          Videorecording
          Human
          Female
      ab: This study used kinematic data on springboard diving performances to estimate viscoelastic parameters of a planar model of a springboard and diver with wobbling masses in the trunk, thigh, and calf segments and spring dampers acting at the heel, ball, and toe of the foot segment. A subject-specific angle-driven eightsegment model was used with an optimization algorithm to determine viscoelastic parameter values by matching simulations to four diving performances. Using the parameters determined from the matching of a single dive in a simulation of another dive resulted in up to 31% difference between simulation and performance, indicating the danger of using too small a set of kinematic data. However, using four dives in a combined matching process to obtain a common set of parameters resulted in a mean difference of 8.6%. Because these four dives included very different rotational requirements, it is anticipated that the combined parameter set can be used with other dives from these two groups.
      pubtype: Academic Journal
      doctype:
        equations & formulas
        pictorial
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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