Title

Knee Extension Isometric Torque Production Differences Based on Verbal Motivation Given to Introverted and Extroverted Female Children

Document Type

Article

Publication Date

8-2011

Publication Title

Physiotherapy Theory and Practice

Volume

27

Issue

6

First page number:

422

Last page number:

428

Abstract

To date, little research has been conducted to test the efficacy of different forms of motivation based on a female child’s personality type. The purpose of this study was to evaluate the ability of female children to perform a maximal knee extension isometric torque test with varying forms of motivation, based on the child’s personality type (introvert vs. extrovert). The subjects were asked to perform a maximal isometric knee extension test under three different conditions: 1) with no verbal motivation, 2) with verbal motivation from the evaluator only, and 3) with verbal motivation from a group of their peers and the evaluator combined. A 233 mixed ANOVA was significant for an interaction (F 2,62517.530; p,0.0005). Post hoc testing for the introverted group showed that scores without verbal motivation were significantly higher than with verbal motivation from the evaluator or the evaluator plus the peers. The extroverted group revealed that scores with verbal motivation from the evaluator or the evaluator plus the peers were significantly higher than without verbal motivation. Results suggest that verbal motivation has a varying effect on isometric knee extension torque production in female children with different personality types. Extroverted girls perform better with motivation, whereas introverted girls perform better without motivation from others.

Keywords

Analysis of Variance; Child; Child Behavior; Exercise; Extraversion, Psychological; Female; Health Behavior; Humans; Introversion, Psychological; Isometric Contraction; Knee / physiology; Motivation; Muscle Strength Dynamometer; Personality Assessment; Torque; Verbal Behavior

Disciplines

Physical Therapy

Language

English

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