Poster or Presentation Title

Assessing the difference in muscle fatigue of athletes and non-athletes in the rectus femoris muscle using data obtained using a VO2 peak machine on a metabolic cart and an iWorx electromyography test.

Access Type

Campus Access Only

Presentation Type

Poster Presentation

Department

Biology

Abstract

Investigating the relationship between VO2 peak and muscle fatigue is important in understanding its impact on performance in athletes and its potential use for improving an athlete's ability to perform at a higher level for a longer period of time. This study investigated if a higher VO2 peak is associated with one's muscle fatigue. Subjects who were athletes and non-athletes were recruited for this study. Testing used Parvo Medics’ TrueOne® 240, a compact, integrated metabolic measurement system for cardiopulmonary stress testing, indirect calorimetry, and maximal O2 consumption measurement. EMG electrodes used were made up of foam solid, pre-gelled disposable silver-silver chloride (Ag-AgCl) electrodes, and activity was measured using iWORX LabScribe v4. Testing consisted of a 5 min warm-up on the treadmill at 3 mph. After the 5 minute warm up, participants started at 4 mph and speed increased by 0.5 mph every 2 minutes for 10 minutes. Upon completion of the first test they were reassessed using the same testing protocols a week later. The variables that will be looked at to determine if VO2 peak is associated with muscle fatigue are peak VO2, and an EMG comparison of activity at the end of testing versus maximal voluntary contraction.

Key Words: VO2 peak, muscle fatigue, iWORX LabScribe v4, Parvo Medics’ TrueOne® 240, EMG electrodes

Faculty Mentor(s)

Wendy Williamson

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Assessing the difference in muscle fatigue of athletes and non-athletes in the rectus femoris muscle using data obtained using a VO2 peak machine on a metabolic cart and an iWorx electromyography test.

Investigating the relationship between VO2 peak and muscle fatigue is important in understanding its impact on performance in athletes and its potential use for improving an athlete's ability to perform at a higher level for a longer period of time. This study investigated if a higher VO2 peak is associated with one's muscle fatigue. Subjects who were athletes and non-athletes were recruited for this study. Testing used Parvo Medics’ TrueOne® 240, a compact, integrated metabolic measurement system for cardiopulmonary stress testing, indirect calorimetry, and maximal O2 consumption measurement. EMG electrodes used were made up of foam solid, pre-gelled disposable silver-silver chloride (Ag-AgCl) electrodes, and activity was measured using iWORX LabScribe v4. Testing consisted of a 5 min warm-up on the treadmill at 3 mph. After the 5 minute warm up, participants started at 4 mph and speed increased by 0.5 mph every 2 minutes for 10 minutes. Upon completion of the first test they were reassessed using the same testing protocols a week later. The variables that will be looked at to determine if VO2 peak is associated with muscle fatigue are peak VO2, and an EMG comparison of activity at the end of testing versus maximal voluntary contraction.

Key Words: VO2 peak, muscle fatigue, iWORX LabScribe v4, Parvo Medics’ TrueOne® 240, EMG electrodes