Award Date

9-27-2005

Degree Type

Thesis

Degree Name

Master of Science (MS)

Department

Kinesiology

First Committee Member

Danny Too

Number of Pages

91

Abstract

This study was performed to examine the effects of movement velocity and eccentric contractions on the bilateral deficit. To accomplish this, 18 participants performed bilateral and unilateral contractions eccentrically and concentrically across 6 movement velocities (30, 60, 90, 120, 150, and 180{dollar}\sp\circ{dollar}/s). Repeated measures ANOVA's revealed that for both eccentric and concentric contractions, significant differences existed between bilateral and summed unilateral contractions; and at each of the six tested velocities. Further analyses revealed that the degree of the bilateral deficit increased as movement velocity increased. It is believed that the decreased tension developed during bilateral eccentric and concentric contractions, is attributed to incomplete activation of fast twitch muscle fibers recruited during unilateral contractions.

Keywords

Bilateral; Contractions; Deficits; Eccentric; Effects; Movement; Velocity

Controlled Subject

Physical education and training; Physiology

File Format

pdf

File Size

1576.96 KB

Degree Grantor

University of Nevada, Las Vegas

Language

English

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Rights

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