Key result
Prolonged daytime exercise for 4 days significantly increased sleeping heart rate from 52 bpm at baseline to a peak of 61 bpm (p<0.001), alongside an 11.2% increase in sleeping metabolic rate.
Why the study?
Does prolonged moderate-intensity exercise repeated for 4 days increase sleeping heart rate and metabolic rate in young untrained men?
Population
11 young untrained men
Comparison
Moderate intensity exercise 5 hours daily for 4… vs Baseline measurements taken the night prior to…
Design
Other
Follow-up
4 days
Authors
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May confound resting heart rate as a fitness marker post-exercise; leaves open generalizability and requires prospective validation.
Does prolonged moderate-intensity exercise repeated for 4 days increase sleeping heart rate and metabolic rate in young untrained men?
Absolute Event Rate: 61% vs 52%
p-value: p=<0.001
Prolonged daytime exercise over 4 days significantly increases sleeping heart rate and metabolic rate, likely driven by sustained sympathetic nervous system stimulation.
Mischler et al. (2003) studied this question. Prolonged daytime exercise vs. Baseline (night prior to exercise) was evaluated on Sleeping heart rate (SHR) (p=<0.001). Prolonged daytime exercise for 4 days significantly increased sleeping heart rate from 52 bpm at baseline to a peak of 61 bpm (p<0.001), alongside an 11.2% increase in sleeping metabolic rate.
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