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Maximal aerobic capacity can be increased by enhancing performers' expectancies
Jeff Montes1, Gabriele Wulf1, James W Navalta2
1Department of Kinesiology and Nutrition Sciences, University of Nevada, Las Vegas, NV, USA.
The Journal of Sports Medicine and Physical Fitness
|February 24, 2017
Summary
Enhancing runners' expectations with positive feedback significantly boosted maximum aerobic capacity (VO2max). Conversely, neutral feedback led to a decrease in VO2max, highlighting the role of self-efficacy in cardiovascular fitness.
Area of Science:
- Exercise Physiology
- Sports Psychology
Background:
- Maximum aerobic capacity (VO2max) is a key indicator of cardiovascular fitness and aerobic power.
- This study explored if performance expectations, influenced by social-comparative feedback, could impact VO2max.
Purpose of the Study:
- To determine if positive social-comparative feedback enhances VO2max in experienced runners.
- To investigate the effect of manipulated performance expectancies on physiological measures during VO2max testing.
Main Methods:
- Experienced runners underwent two VO2max tests within two weeks.
- One group received positive social-comparative feedback before the second test; a control group received neutral information.
- Measurements included VO2max, ventilation, respiratory exchange ratio, heart rate, and perceived exertion.
Main Results:
- The enhanced expectancy group showed a significant 3.28% increase in VO2max.
- The control group exhibited a significant 4.11% decrease in VO2max.
- No significant group differences were observed for ventilation, heart rate, respiratory exchange ratio, or perceived exertion.
Conclusions:
- Maximum aerobic capacity is influenced by an individual's self-efficacy expectations.
- Social-cognitive-affective factors play a role in modulating maximal motor performance, including VO2max.
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