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Nigerian Journal of Physiological Sciences

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Hypertension, and blood pressure response to graded exercise in young obese and non- athletic Nigerian university students.

K Ibhazehiebo, U Dimkpa, V.I Iyawe

Abstract


Hypertension, and the effect of graded exercise on Blood pressure (BP), in 60 obese nonathletic young medical students (40 females and 20 males) with Body Mass Index (BMI) greater than 30 were studied. The subjects were in the age range of 18-22 years with mean age of 20.301.32 years. Twenty percent of the males and 7 percent of the females were found to be hypertensives (P<0.05) and the severity of the hypertension significantly (P< 0.05) increased linearly with increase in BMI (r =0.6). Our study reveals a positive direct correlation between obesity and socioeconomic status and BP. Marked increases in systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP), time of return (RT) were observed in the obese individuals compared to control at all levels of graded exercise with the highest rises seen during severe exercise. Among the obese subjects,
the increases in BP were more in the males than females, but time of return was higher in females than males. This study further confirms that obese young individuals are prone to early onset of hypertension and thus other cardiovascular diseases and less tolerant to physical exercises. Our results add to the evidence that hypertension is common among obese young adults.



http://dx.doi.org/10.4314/njps.v22i1-2.54886
AJOL African Journals Online