NEUROMUSCULAR DETERMINANTS OF FUNCTIONAL BALANCE PERFORMANCE IN CAREER FIREFIGHTERS

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Last Modified
  • March 20, 2019
Creator
  • Barnette, Timothy
    • Affiliation: College of Arts and Sciences, Department of Exercise and Sport Science
Abstract
  • Slips, trips, and falls (STFs) are one of the most common injuries in the fire service. The purpose of this study was to examine the relationship between biceps femoris (BF) neuromuscular function [rate of torque development (RTD), rate of electromyographic rise (RER), muscle size (CSA), and muscle quality (EI)], and functional balance performance during a simulated firefighting activity. Rate of torque development and RER were examined during a maximal isometric strength assessment with surface electromyography and ultrasonography was used to examine CSA and EI in 44 career firefighters. The functional balance performance index was significantly related to age (r = 0.423, P < 0.01), %BF (r = 0.378, P < 0.05), and RTD (r = -0.327, P < 0.05). After accounting for age and %BF, increases in RTD remained related to improved functional balance performance, which was influenced by the RER, but not the size or quality of the BF.
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  • In Copyright
Advisor
  • Ryan, Eric
  • Thompson, Brennan
  • Pietrosimone, Brian
Degree
  • Master of Arts
Degree granting institution
  • University of North Carolina at Chapel Hill Graduate School
Graduation year
  • 2016
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