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Degree

Master of Science (MS), Ohio University, Athletic Training Education (Health and Human Services), 2010.

Abstract

Changes in mechanomyography (MMG) and electromyography (EMG) of the peroneus longus have been identified in participants reporting functional ankle instability(FAI). This thesis sought to determine the magnitude of functional muscle fatigue induced acute changes in MMG and EMG median frequency. These changes may account for alterations in dynamic ankle stabilization of the ankle joint. All participants completed a functional fatigue protocol that consisted of five trials of side-to-side single leg hopping. MMG and EMG signals were recorded throughout the functional fatigue protocol. A 2 x 5 repeated measures ANCOVA was used to compare the EMG and MMG median frequency across time and group. A main effect was observed for time by group. The functional fatigue protocol caused a decrease in EMG median frequency and an increase in MMG median frequency across time by group. This indicates that fatigue could create a disturbance in dynamic ankle stabilization in individuals with FAI.

Subject Headings

Sports medicine

Keywords

Electromyography; Mechanomyography; Functional Ankle Instability; Muscular Fatigue

Committee / Advisors

Andrew Krause, PhD (Committee Chair)
Sharon Rana, PhD (Committee Member)
David Dominguese, Phd (Committee Member)

Pages

105p.

Document number: ohiou1275602279
Permalink: http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1275602279

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