n CME : Your SA Journal of CPD - The role of exercise : main article




Lack of physical activity results in overweight and unfit people. People generally ask their doctors for advice on diet and exercise in order to look better. <br>Regular physical activity contributes to overall wellbeing and not simply to improved appearance. <br>Total physical fitness results in improved muscle strength, improved muscle resistance, flexibility and cardiovascular fitness. <br>This can be achieved by exercising for at least 30 minutes for a minimum of 3 times a week. <br>Cycling, swimming, walking and running are excellent forms of exercise because they use the large muscle groups. <br>People should aim to exercise at 70 - 80% of their maximum heart rate (calculated as 220 minus age - unless on rate-reducing cardiovascular drugs).


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