Key result
Five weeks of aerobic exercise blunts mental stress-induced HR increases by ~55% in teenagers.
Why the study?
Does a 5-week aerobic exercise program reduce the heart-rate response to mental stress in teenagers with normal hearts?
Population
Teenagers with normal hearts (student volunteers)
Comparison
5-week period of rigorous aerobic exercise… vs Baseline state (before exercise training)
Design
Cohort
Follow-up
5 weeks
Authors
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Exercise training blunted mental stress-induced HR rises in teens; hypothesis-generating and requires randomized trials before practice implications.
Does a 5-week aerobic exercise program reduce the heart-rate response to mental stress in teenagers with normal hearts?
Absolute Event Rate: 9% vs 20%
p-value: p=<0.001
A 5-week moderately intensive exercise program effectively blunts the heart-rate response to mental stress in teenagers.
Costin et al. (2012) studied Normal hearts. Aerobic exercise training vs. Baseline (pre-training) was evaluated on Maximum increase in heart rate with mental stress (p=<0.001). A 5-week aerobic exercise program significantly blunted the maximum increase in heart rate during mental stress in teenagers (20 ± 12 bpm pre-training vs. 9 ± 15 bpm post-training, p < 0.001).
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