Running or doing another form of exercise is the only thing that could possibly have made sense and gotten the point across.

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So staff are less confident in their PE teaching abilities and there has been a steep drop in the numbers of children doing two or more hours exercise a week.

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"At the moment we are negotiating and we may or may not end up doing a full branding exercise, " said Branson.

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Simply doing aerobic exercise such as walking or light treadmill workouts will not be adequate to preserve muscle tone, bone health, balance and posture.

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The CDC and the AHA recommend that adults spend a minimum of 30 minutes a day, five days a week, doing moderate-intensity exercise, or at least 20 minutes a day, 3 days a week engaged in vigorous activity.

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Men who were the most physically active, doing 15 hours or more of moderate to vigorous exercise each week by playing football, baseball or basketball for example, had sperm counts which were 73% higher than those who were least physically active.

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This type of training can also help prevent weight loss plateaus, which often occur during weight loss accompanied by exercise because the fitter or trimmer that you are, the fewer calories you burn doing the same workout.

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