Effect of Exercise and Body Mass Index (B.M.I.) on Fitness Mustafa Khalidah Nayyef Northern Technical University, Technical Institute, Mosul, Nursing Department Online published on 19 August, 2019. Abstract Background Both Body Mass Index (B.M.I.) and fitness level are very important factors affecting risk of many disease or infections such as hypertension especially in obese men(overweight) without any exercise, therefore aim of current study were study the role of both exercise and Body Mass Index (B.M.I.) on the Fitness. Material and Method This study has been done upon (180) students in Nursing department (70) males, (110) females, their age ranged between (18–24) years. Findings Current study found 55(25 males, 30 females) have high level of fitness with B.M.I. ranges between (18–30Kg/m2) and all them always do physical exercise daily. The study showed 80(35 males, 45 females) with less fitness depending on time required to return to rest values of vital signs (25) of them do exercise every day, but (55) don't do any physical activity. Also the study indicates that (45) of sample (10 males, 35 females) have low fitness with B.M.I. ranges between (22–30 Kg/m2) without any physical activity. Conclusion (50%) of the sample of both sex were practise proper sports and average body mass is (19–26 k.g/s.m) is the best concerning physical activity, the level of physical fitness decreases if body mass exceeds (26 k.g/m2)and proper sports exercises can lessen the negative impact of overweight on physical fitness. Top Keywords Exercise, Body Mass Index(B.M.I.) and Fitness. Top |