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Compression garments and cerebral blood flow: Influence on cognitive and exercise performance
Brittany A Smale1,2, Joseph M Northey1,2, Disa J Smee1
1a Discipline of Sport and Exercise Science, Faculty of Health , University of Canberra , Canberra , Australia.
European Journal of Sport Science
|December 15, 2017
Summary
Compression garments did not impact cycling performance or middle cerebral artery blood flow velocity (MCAv). However, low-grade compression may enhance cognitive accuracy during intense exercise.
Area of Science:
- Sports Science
- Exercise Physiology
- Neuroscience
Background:
- Compression garments are increasingly used in sports.
- Their effects on cerebral blood flow and cognitive function during exercise are not fully understood.
Purpose of the Study:
- To investigate the impact of compression garments on middle cerebral artery blood flow velocity (MCAv).
- To assess the influence of compression on cognitive and exercise performance during cycling.
Main Methods:
- 15 male cyclists completed three randomized trials: control, low-grade, and medium-grade compression.
- Exercise protocol included incremental cycling to 85% max power and a 4km time-trial.
- Cognitive function (Stroop task), MCAv, mean arterial pressure (MAP), and end-tidal CO2 (PetCO2) were measured.
Main Results:
- Exercise intensity affected MCAv, MAP, PetCO2, and reaction time, but not compression.
- Low-grade compression improved cognitive accuracy in the complex Stroop task at high intensity (p=0.010).
- Time-trial performance was not significantly different across conditions (p=0.114).
Conclusions:
- Compression garments do not alter MCAv or time-trial performance in cyclists.
- Low-grade compression may offer cognitive benefits during high-intensity exercise.
- Further research is needed to explore compression's impact on cognitive performance.
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