Impulse variability in isometric tasks

Les G. Carlton, Ky Houng Kim, Yeou-Teh Liu, Karl M. Newell

研究成果: 雜誌貢獻文章

17 引文 斯高帕斯(Scopus)

摘要

An isometric elbow flexion task was used in two experiments that examined the influence of force-production characteristics on impulse variability. Impulse size was held constant while peak force, time to peak force, rate of force, and, hence, the shape of the criterion force-time curve were manipulated. The results indicated that changes in the force-time curve under conditions of equal impulse bring about systematic changes in impulse variability, and this effect is more pronounced for larger impulse conditions. The inability of existing functions to account for the peak force variability findings led to the generation of a new predicted force variability function. The proposed function accounts for changes in the standard deviation and coefficient of variation of peak force, impulse, and rate of force over a range of force-time conditions.

原文英語
頁(從 - 到)33-43
頁數11
期刊Journal of Motor Behavior
25
發行號1
DOIs
出版狀態已發佈 - 1993 一月 1

ASJC Scopus subject areas

  • Biophysics
  • Orthopedics and Sports Medicine
  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience

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