The role of segmental mass and moment of inertia in dynamic-contact task construction

Nicholas A.T. Brown, Jody L. Jensen

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The authors examined whether differences between children and adults in the application of muscle forces during a dynamic-contact task (cycling) can be attributed to children's relatively lower segmental mass and moment of inertia. They examined pedal-force construction as adults and younger and older children (n = 7 in each group), with and without mass added to their limbs, pedaled an appropriately scaled bicycle ergometer. When mass was added to their limbs, children adjusted muscular forces on the pedal in a way that began to approach the pattern demonstrated by adults. Because age, neuromotor maturation, and motor experience were held constant, it seems plausible that by 6 to 8 years of age, and perhaps younger, physical size and growth limit children's production of adult-like muscle forces on the pedal.

Original languageEnglish
Pages (from-to)313-326
Number of pages14
JournalJournal of Motor Behavior
Volume38
Issue number4
DOIs
Publication statusPublished - 2006
Externally publishedYes

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