Evaluation of physical fitness by post exercise heart rate recovery in relation to body composition in medical students

  • Muhammad Shafiq Services Institute of Medical Sciences, Lahore, Pakistan
  • Najla Shore Services Institute of Medical Sciences, Lahore, Pakistan
  • Saqib Javaid Services Institute of Medical Sciences, Lahore, Pakistan
  • Rida Fatima Services Institute of Medical Sciences, Lahore, Pakistan
  • Nabiha Saeed Services Institute of Medical Sciences, Lahore, Pakistan
  • Abdullah Shafiq Fatima Memorial Medical and Dental College, Lahore, Pakistan
Keywords: Physical fitness, Exercise, Heart rate recovery, Body Mass Index, BMI, Medical students

Abstract

Background: The rising prevalence of physical inactivity among youth is resulting in a decrease in their physical fitness. The aim of this study was to evaluate the physical fitness (PF) status of undergraduate medical students of Services Institute of Medical Sciences, Lahore by assessing the heart rate recovery (HRR) after the exercise challenge in relation to their body mass index (BMI). Methods: This cross-sectional study was conducted in the Department of Physiology, SIMS from May to December 2019. Ninety-three (93) healthy students of first and second-year MBBS were recruited through nonprobability convenient sampling. Demographics and lifestyle components were gathered using a questionnaire. Height, weight, and resting heart rate were recorded before exercise. All participants underwent an exercise challenge on a treadmill. Post-exercise HRR was determined by taking multiple recordings (zero, 2, and 5 minutes after exercise cessation). Results: Mean age of participants was 20±1 years, 63.4% were male and 36.6% were female; 16.1% were underweight, 54.8% were of healthy weight, 25.8% were overweight, and 3.2% were obese according to WHO criteria of BMI. Majority (93.5%) of participants were physically inactive, only 6.5% were physically active. The HRR at 5 min post-exercise was statistically significant (p<0.00) in underweight, healthy weight and overweight groups while it was statistically non-significant (p=0.142) in obese participants. The percentage of participants having good PF in underweight, healthy weight, overweight and obese was 66.7%, 82.4%, 70.8%, 33.3% respectively. Conclusion: Participants having a healthy weight had greater PF as compared to other BMI groups.

Pak J Physiol 2020;16(4):13‒6

Author Biographies

Muhammad Shafiq, Services Institute of Medical Sciences, Lahore, Pakistan

Associate Professor, Department of Physiology, Services Institute of Medical Sciences, Lahore, Pakistan.

Najla Shore, Services Institute of Medical Sciences, Lahore, Pakistan

Professor of Physiology, Services Institute of Medical Sciences, Lahore, Pakistan

Saqib Javaid, Services Institute of Medical Sciences, Lahore, Pakistan

Department of Physiology, Services Institute of Medical Sciences, Lahore, Pakistan

Rida Fatima, Services Institute of Medical Sciences, Lahore, Pakistan

Department of Physiology, Services Institute of Medical Sciences, Lahore, Pakistan

Nabiha Saeed, Services Institute of Medical Sciences, Lahore, Pakistan

Department of Physiology, Services Institute of Medical Sciences, Lahore, Pakistan

Abdullah Shafiq, Fatima Memorial Medical and Dental College, Lahore, Pakistan

Final Year MBBS Student, Fatima Memorial Medical and Dental College, Lahore, Pakistan

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Published
2020-12-31
How to Cite
1.
Shafiq M, Shore N, Javaid S, Fatima R, Saeed N, Shafiq A. Evaluation of physical fitness by post exercise heart rate recovery in relation to body composition in medical students. PJP [Internet]. 31Dec.2020 [cited 14Jun.2021];16(4):13-6. Available from: https://pjp.pps.org.pk/index.php/PJP/article/view/1277