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Prescribing Advice for GPs

An NHS Prescribing Advisers' Blog

More exercise makes you fitter!

The Journal of the American Medical Association has published the results of a trial demonstrating that taking more exercise makes you fitter.

The study recruited 464 sedentary, postmenopausal overweight or obese women. Body mass index ranged from 25 to 43. Baseline systolic blood pressure ranged from 120mmHg to 159.9mmHg. Patients were randomised to a control group or one of three different exercise groups and followed up for 6 months.

Current consensus is that children and adults should aim to undertake at least 30 minutes of moderate-intensity physical activity on most, and preferably all, days of the week. This study assessed the impact upon overall fitness in the three groups by undertaking the equivalent of 15, 30 and 45 minutes of moderate-intensity physical exercise per day.

Unsurprisingly, the study found that the more exercise is undertaken the fitter the individual becomes. The study comments that this finding seems logical, but that few reports have evaluated the activity-fitness dose-response relation. However, it was also found that the even the lowest level of activity was statistically better than a sedentary lifestyle.

Action: The two key messages from this study are that some exercise is better than none and the more exercise you take the better. Using these two key messages, clinicians should advise all patients to increase levels of physical activity, where physically appropriate.

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One Comment to “More exercise makes you fitter!”

  1. File under "Bleeding Obvious!"

    Well I never!

    Trackback by Trusted.MD Network — May 22, 2007 #

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