Abstract
Background: Obesity is a potential risk factor for development of various cardiovascular diseases. Blood pressure response to exercise has been an indicator for developing hypertension. This study is intended to study the effect of body mass index on blood pressure response to peak exercise. Material and methods: This study was carried out with ninety young healthy males (30 normal weight, 30 overweight, 30 obese) of age group 18-22 years. Peak exercise was performed on treadmill using Bruce protocol. Blood pressure was measured at baseline and at exhaustion. Statistical analysis was done using one way ANOVA. Results: The obese group showed higher resting systolic blood pressure compared to normal weight group (115.86 + 9.1 vs. 106.32 + 8.41). At exhaustion there is increased systolic blood pressure in obese group compared to normal weight group (155.76 + 14.70 vs. 135.80 + 10.01) as a result of cardiac overload. Diastolic blood pressure in obese group reduced to a greater extent when compared to normal weight group but was not statistically significant. Conclusion: Exacerbated blood pressure response to peak exercise among obese young males suggests greater reactivity to physical exertion and risk of developing hypertension.
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