Influence of instruction on velocity and accuracy of overarm throwing.

Full Abstract

This study investigated the influence of instruction on the ball velocity and accuracy of a goal-directed overarm throw. 9 experienced Norwegian male team handball players executed a throwing task randomly seven times under 5 different instructions varying from emphasizing speed to accuracy. When instructions increasingly emphasized accuracy, velocity decreased. However, accuracy did not improve when subjects were instructed to focus on it. A possible explanation for this finding could lie in the specific subject group. The subjects were highly experienced team handball players with an average of 12 years in the sport. Thus, the accuracy they demonstrated at high velocity might actually be already extremely high and difficult to improve upon when reducing throwing velocity. Further, the velocity of throwing when instruction emphasized accuracy was approximately 85% of the maximal velocity, indicating that experienced team handball players are trained to throw accurately at relatively high velocity.

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Author information

Author/s: van den Tillaar, Roland (R); Ettema, Gertjan (G);

Affiliation: Section for Human Movement Science, Faculty of Social Sciences and Technology Management, Norwegian University of Science and Technology, Trondheim. rolandv(-atsign-)svt.ntnu.no

Journal and publication information

Publication Type: Journal Article

Journal: Perceptual and motor skills (Percept Mot Skills), published in United States. (Language: eng)

Reference: 2003-Apr; vol 96 (issue 2) : pp 423-34

Dates: Created 2003/06/02; Completed 2003/09/30; Revised 2004/11/17;

PMID: 12776824, status: MEDLINE (last retrieval date: 11/6/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adult
Arm
Humans
Male

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