Cardio-respiratory Fitness in Medical Students by Queen’s College Step Test: A Cross-sectional Study
Introduction: Cardio-respiratory fitness indicates the ability of circulatory system to supply oxygen to working muscles during continuous physical activity. Maximum oxygen uptake (VO2max) is a single best measure of cardio-respiratory fitness and is considered gold standard to quantify aerobic capacity.
Methods: Eighty students of age group 18-25 years were taken by simple random sampling. VO2max was estimated indirectly by following the protocol of Queen’s College Step Test (QCST) method.
Results: Mean value of VO2max for male (51.61±6.26 ml/Kg/min) and female (36.02±3.71 ml/Kg/min) was compared, which was found significantly higher in males than in females (p<0.001). There was negative correlation of gender (r = -0.838), body mass index (BMI) (r = -0.339), obesity category (r = -0.275), obese vs non-obese (r = -0.264) and basal pulse rate (r = -0.456) with VO2max and positive correlation of height (r = 0.592) and hours of study (r = 0.309) with VO2max.
Conclusion: This study showed that increased BMI is associated with decreased level of VO2max in young adults. One can improve VO2max by maintaining BMI within normal limits.
Copyright (c) 2019 Bibek Koju, Shaligram Chaudhary, Lok Raj Joshi, Anupama Shrestha
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