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Exercise: how much is enough to make a difference?

01 April 2003

Everyone knows they should exercise - but how much is enough to provide any benefit? The good news, according to a new study from Yale University, is that a little can go a long way, provided we’re prepared to do it regularly.

Researchers tested the theory on 173 sedentary women, all of whom were overweight or obese, and aged between 50 and 75 years. They were split into two groups: one restricted themselves to stretching exercises, while the other carried out some moderate exercise. Most of those in the latter group plumped for brisk walking. This, or some other activity such as cycling or aerobics, was done for an average of 3.5 days and 176 minutes a week.

Within a year, the brisk exercise group was showing a significant reduction in weight and body-fat levels (JAMA, 2003; 289: 323-30).

A brisk walk is as good as an aerobics class - Brisk walking is as good for the heart as vigorous exercise, according to figures from the ongoing Nurses' Health Study. ...

Walking: it's even good for the mind - Evidence continues to accumulate about the benefits of walking over other forms of exercise. ...

Exercise: do you really have to kill yourself in a gym before it makes - Everyone knows they should exercise It s right up there with don t smoke as one of the basic tenets of good health maintenance While we know tha...

Exercise helps arthritis in oldsters - Regular exercise should become part of the routine treatment for older people suffering from osteoarthritis of the knee, doctors are recommending. Aer...

Benefit from vigourous exercise - A new study has confirmed that vigorous exercise can improve heart function in patients with atherosclerosis. ...

Exercise: the marathon myths - The common view is that regular, intense workouts are the only path to fitness. In this special report, WDDTY explodes the greatest myths about exerci...

More exercise, fewer drugs - Regular exercise provides a myriad of health benefits: it can prevent premature death (Med Sci Sports Exerc, 1998; 30: 992-1008; JAMA, 1989; 262: 2395...

Overweight: It’s not your fault, experts say - If you’re overweight or obese, it’s not your fault, UK health officials have declared. Obesity is now “an inevitable consequence” of the way we live o...

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