Key result
Higher body mass index and body fat ratio were strongly correlated with reduced postexercise heart rate recovery in healthy men (r = -0.833 and -0.877, respectively; p < 0.001).
Why the study?
The study investigated the effect of BMI and body fat ratio on postexercise heart rate recovery after 2 minutes of rest.
Cross-Sectional (n=64)
Effect estimate: r = -0.833 (BMI) and r = -0.877 (body fat ratio)
p-value: p=<0.001
Higher BMI and body fat ratio are strongly associated with impaired postexercise heart rate recovery in healthy male adults, indicating a link between metabolic risk factors and autonomic nervous system function.
Impaired HR recovery may signal autonomic effects of adiposity; observational data leave causality and clinical relevance open.
BACKGROUND: This study investigated the effect of body mass index (BMI) and body fat ratio with postexercise heart rate recovery (HRR) after 2 minutes of rest. METHODS: Sixty-four healthy males aged between 25 and 55 years participated in the study. BMI, body fat ratio, waist circumference, and physical activity were recorded. Peak heart rate after exercise and HRR after 2 min of rest were obtained. RESULTS: Mean age of participants was 35.53 ± 6.57. Mean BMI and HRR were 25.06 ± 4.62 and 26.07 ± 7.43, respectively. BMI and body fat ratio had significant negative correlation with HRR with r values of -.833 and -.877, respectively (p < .001*). Linear regression showed BMI and body fat ratio with significant coefficient of -0.426 (p = .04*) and -0.627 (p < .001*) with HRR, respectively. Participants with BMI ˂ 25 had higher HRR in comparison to participants with BMI ≥ 25 (p < .001*). Participants with body fat ratio of ˂25 had significantly higher HRR of 35.9 ± 3.98 in comparison to participants with body fat ratio ≥ 25 (p = <.001*). CONCLUSION: Body mass index and body fat ratio are strong predictors of HRR in Pakistani healthy male adults, suggesting a strong link between metabolic risk factors and impaired autonomic nervous system.
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Azam et al. (2019) conducted a cross-sectional in Healthy (n=64). Body mass index and body fat ratio vs. Lower body mass index and body fat ratio was evaluated on Postexercise heart rate recovery (HRR) after 2 minutes of rest (r = -0.833 (BMI) and r = -0.877 (body fat ratio), p=<0.001). Higher body mass index and body fat ratio were strongly correlated with reduced postexercise heart rate recovery in healthy men (r = -0.833 and -0.877, respectively; p < 0.001).
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