Key result
Aerobic fitness and moderate-to-vigorous physical activity reduced resting heart rate but showed no evidence for the cross-stressor adaptation hypothesis regarding ANS or affective stress reactivity.
Why the study?
The cross-stressor adaptation hypothesis has existed for over four decades, but literature heterogeneities have prevented definitive conclusions.
Does higher cardiorespiratory fitness or regular physical activity reduce autonomic nervous system and affective reactivity to psychological stress in young adults?
Population
116 young adults
Comparison
Aerobic fitness vs leisure time exercise vs overall moderate-to-vigorous physical activity
Design
Combined laboratory and daily life observational study
Authors
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Does not blunt stress reactivity in young adults despite lowering resting heart rate; leaves open cross-stressor adaptation hypothesis pending prospective studies.
Observational (n=116)
Does higher cardiorespiratory fitness or regular physical activity reduce autonomic nervous system and affective reactivity to psychological stress in young adults?
While regular physical activity and aerobic fitness lower resting heart rate, they do not appear to blunt autonomic or affective reactivity to psychological stress in young adults.
Mee et al. (2022) reported an observational. Aerobic fitness and physical activity was evaluated on Autonomic nervous system (ANS) reactivity and affective responsiveness to stressors. Aerobic fitness and moderate-to-vigorous physical activity reduced resting heart rate but showed no evidence for the cross-stressor adaptation hypothesis regarding ANS or affective stress reactivity.
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