Key result
Overweight and obesity in healthy young adult females were associated with a significantly higher heart rate (95.31 vs 84.57 bpm) and delayed vagal reactivation during immediate recovery from exercise.
Why the study?
Does overweight/obesity impair heart rate recovery, heart rate variability, and postexercise hypotension during immediate recovery from exercise in healthy young adult females?
Cross-Sectional (n=55)
No
Does overweight/obesity impair heart rate recovery, heart rate variability, and postexercise hypotension during immediate recovery from exercise in healthy young adult females?
Absolute Event Rate: 95.31% vs 84.57%
p-value: p=<0.001
Overweight and obesity in healthy young females are associated with delayed heart rate recovery, reduced vagal reactivation, and impaired postexercise hypotension immediately following exercise.
May indicate impaired autonomic recovery post-exercise in overweight young women; leaves open need for outcome studies before clinical relevance.
BACKGROUND: Data on heart rate variability (HRV) changes during immediate recovery period after exercise in overweight/obese healthy young adult females are still inconclusive. The aim of this study was to evaluate the heart rate variability (HRV), heart rate recovery (HRR), and arterial blood pressure immediately after cessation of exercise in overweight/obese healthy young adult females. METHODS: This study was carried out in the laboratory of the Physiology Department, Faculty of Medicine, King Abdulaziz University. Fifty-five female students were classified into normal weight group and overweight/obese group. HRV, HRR, and systolic and diastolic blood pressures (SBP, DBP) were estimated at resting condition and immediately after cessation of exercise. RESULTS: During recovery, heart rate was significantly increased in overweight/obese group along with significant decrease in rMSSD (square root of the mean of the sum of the squares of differences between adjacent NN intervals) and HF (high-frequency power) compared with normal group. The recovery of heart rate, normalized HF, and normalized sympathovagal balance to their baseline values were significantly lowered in overweight/obese group. Both SBP and DBP were significantly lowered from their baseline values during recovery in normal group but unchanged in overweight/obese group. CONCLUSIONS: This study provides evidence that overweight/obesity are associated with decreased HRR and delayed vagal reactivation, in addition to impaired postexercise hypotension early in the recovery period after exercise in healthy young adult females.
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Agaty et al. (2016) conducted a cross-sectional in Overweight and Obesity (n=55). Overweight/obesity vs. Normal weight (BMI 18.5-24.99 kg/m2) was evaluated on Heart rate during immediate recovery from exercise (bpm) (p=<0.001). Overweight and obesity in healthy young adult females were associated with a significantly higher heart rate (95.31 vs 84.57 bpm) and delayed vagal reactivation during immediate recovery from exercise.
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