coordinative structures

coordinative structures - INTORDUCTION TO MOTOR LEARNING...

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INTORDUCTION TO MOTOR LEARNING LAB WRITE-UP Leo Loughman October 23, 2007 Concept: Coordinative Structures I. Introduction How do we execute complex movements like dribbling two balls at one time? We do this by coordinating body structures. This lab was preformed to test this statement and explain how we execute complex movements. The task was dribbling a ball as fast as possible in a minute. It tested separately both the dominant hand, weaker hand, and both hands at the same time. The ball had to at least bounce knee high in order to count and the clock did not stop. Dribbling a ball is a closed loop theory motion. The class was divided into two teams. Each teammate had a partner; one participated in the experiment while the other counted the number of dribbles per hand. There results of the three trials were compared, and analyzed, then graphed. It was found that the dominant hand dribbled slower then the non-dominant hand, and when compared, had a greater range between bounces. In contrast, it was found that when dribbling two balls at once there was a greater consistency of bounces and less range of bounces. II. Support Turvey (1990) stated that, “coordination is the patterning of the head, body, and limb movements relative to the patterning of environmental objects and events” (83). In simple terms, the body has a system that incorporates
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body parts with external elements to work more efficiently. In any given situation, there are certain specific demands of an action that require the body to use more then one body part successfully. The performance depends on the mastery of that particular skill. As a result is a pass or fail. The nervous system handles simple movements and adapts to handle complex movements. The more control of a muscle the quicker the reaction time is. The nervous system responds quickly to internal and external factors to act accordingly. Burnsstain (1967), Kugler, Kelso & Turvey (1982) confirmed that, “groups of muscles are controlled as functional units. The many degrees of freedom are temporally constricted to act as a single unit.” By working as units, it conserves neural output signals and cuts transition time from the brain to the effectors. Stephen Keele (1968) agreed with the discovery of
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This note was uploaded on 04/17/2008 for the course SCI 101 taught by Professor Teats during the Spring '08 term at Westfield State.

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coordinative structures - INTORDUCTION TO MOTOR LEARNING...

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