The Effects of Exercise-Induced Muscle Damage on Aerobic Capacity Tested Through Repeated VO2max Tests

Burnett, Luke (2014) The Effects of Exercise-Induced Muscle Damage on Aerobic Capacity Tested Through Repeated VO2max Tests. Undergraduate thesis, under the direction of John Garner from Exercise Science, The University of Mississippi.

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Abstract

High-intensity resistance training alongside aerobic training has been seen to improve aerobic performance due to the gains strength that accompany said resistance training. However, it has been documented that the exercise-induced muscle damage (EIMD) that results from the resistance training can impair aerobic performance in the days following. Therefore, the purpose of this study was to assess the time-course of recovery from EIMD for up to seven days following muscle-damaging protocol. Eight recreationally trained participants (age 21.88 ± 0.99 yr., mass 70.02 ± 11.14 kg, height 171.61 ± 8.99 cm) volunteered to participate in five testing sessions over the course of approximately two weeks. The first testing session included a baseline measurement of treadmill VO2max. During the second testing session, muscle-damaging protocol consisting of eccentric split squats was performed, followed by another VO2max test. Testing sessions 3, 4, and 5 all consisted of VO2max tests 48 hours, 96 hours, and 7 days following muscle-damaging protocol. The participants’ baseline VO2max and time to exhaustion scores served as their control group for the experiment. Significant (p < 0.05) losses in mean VO2max values were observed for the entire testing period. The only significant decrease in mean time to volitional exhaustion was observed immediately after muscle-damaging protocol, but time to exhaustion did not reach that of baseline measures until 7 days post-EIMD, where they were observed to have eclipsed that of baseline measures. Therefore, coaches/trainers are advised to allot their athletes at least one week of active recovery following high-intensity resistance training before return to competition.

Item Type: Thesis (Undergraduate)
Creators: Burnett, Luke
Student's Degree Program(s): B.S. in Exercise Science
Thesis Advisor: John Garner
Thesis Advisor's Department: Exercise Science
Institution: The University of Mississippi
Subjects: Q Science > QP Physiology
Depositing User: Luke Burnett
Date Deposited: 09 May 2014 19:14
Last Modified: 09 May 2014 19:14
URI: http://thesis.honors.olemiss.edu/id/eprint/184

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