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Original Research 


Heart rate recovery at 1st min after graded exercise an indicator of parasympathetic function in healthy obese young adults

Parimala H K, Srikanth S, Pushpa Krishna.

Abstract
Background: Heart rate recovery at 1st min (HRR 1 min) after graded treadmill exercise (GTX) is a predictor of parasympathetic function. Impaired HRR 1 min and obesity are strong predictors of metabolic syndrome and cardiovascular disorders. This study is done to asses HRR 1 min on apparently healthy obese young adults with body mass index (BMI) ≥30, without any other metabolic syndrome components.

Aims and Objectives: The objective of this study was to assess the parasympathetic function by estimating HRR 1 min after exercise in apparently healthy obese young adults of 18–30 years of age without any metabolic syndrome components and is compared with age- and gender-matched controls with normal BMI.

Materials and Methods: Fifty obese young adults with BMI ≥30 without any other metabolic syndrome component and 50 age- and gender-matched controls with BMI ≤24.9 were selected and subjected to GTX according to modified Bruce protocol. Maximum heart rate reached during exercise (HRmax) and heart rate at 1st min of recovery phase (HR1min) were recorded. HRR 1 min was calculated as HRmax-HR1min and was analyzed.

Results: This study showed significantly attenuated HRR 1 min in obese young adults compared to age- and gender-matched controls (mean 24.02 ± 8.87 vs. 42.42 ± 5.3, P < 0.001).

Conclusion: HRR 1 min was significantly decreased in obese young adults, indicating attenuated parasympathetic function, who are at higher risk of developing chronic cardiovascular and other metabolic disorders.

Key words: Heart Rate Recovery at 1st Min; Parasympathetic Function; Obese Young Adults; Graded Exercise


 
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How to Cite this Article
Pubmed Style

K PH, S S, Krishna P. Heart rate recovery at 1st min after graded exercise an indicator of parasympathetic function in healthy obese young adults. Natl J Physiol Pharm Pharmacol. 2023; 13(6): 1232-1236. doi:10.5455/njppp.2023.13.04188202318042023

Web Style

K PH, S S, Krishna P. Heart rate recovery at 1st min after graded exercise an indicator of parasympathetic function in healthy obese young adults. https://www.njppp.com/?mno=148905 [Access: September 03, 2023]. doi:10.5455/njppp.2023.13.04188202318042023

AMA (American Medical Association) Style

K PH, S S, Krishna P. Heart rate recovery at 1st min after graded exercise an indicator of parasympathetic function in healthy obese young adults. Natl J Physiol Pharm Pharmacol. 2023; 13(6): 1232-1236. doi:10.5455/njppp.2023.13.04188202318042023


Vancouver/ICMJE Style

K PH, S S, Krishna P. Heart rate recovery at 1st min after graded exercise an indicator of parasympathetic function in healthy obese young adults. Natl J Physiol Pharm Pharmacol. (2023), [cited September 03, 2023]; 13(6): 1232-1236. doi:10.5455/njppp.2023.13.04188202318042023


Harvard Style

K, P. H., S, . S. & Krishna, . P. (2023) Heart rate recovery at 1st min after graded exercise an indicator of parasympathetic function in healthy obese young adults. Natl J Physiol Pharm Pharmacol, 13 (6), 1232-1236. doi:10.5455/njppp.2023.13.04188202318042023


Turabian Style

K, Parimala H, Srikanth S, and Pushpa Krishna. 2023. Heart rate recovery at 1st min after graded exercise an indicator of parasympathetic function in healthy obese young adults. National Journal of Physiology, Pharmacy and Pharmacology, 13 (6), 1232-1236. doi:10.5455/njppp.2023.13.04188202318042023


Chicago Style

K, Parimala H, Srikanth S, and Pushpa Krishna. "Heart rate recovery at 1st min after graded exercise an indicator of parasympathetic function in healthy obese young adults." National Journal of Physiology, Pharmacy and Pharmacology 13 (2023), 1232-1236. doi:10.5455/njppp.2023.13.04188202318042023


MLA (The Modern Language Association) Style

K, Parimala H, Srikanth S, and Pushpa Krishna. "Heart rate recovery at 1st min after graded exercise an indicator of parasympathetic function in healthy obese young adults." National Journal of Physiology, Pharmacy and Pharmacology 13.6 (2023), 1232-1236. Print. doi:10.5455/njppp.2023.13.04188202318042023


APA (American Psychological Association) Style

K, P. H., S, . S. & Krishna, . P. (2023) Heart rate recovery at 1st min after graded exercise an indicator of parasympathetic function in healthy obese young adults. National Journal of Physiology, Pharmacy and Pharmacology, 13 (6), 1232-1236. doi:10.5455/njppp.2023.13.04188202318042023


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