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The Value of Light Exercise
Henry S Lodge, MD posted:
Whether you're working toward high-level fitness or just looking to maintain your overall health, light exercise is important.

If you're really committed to high-level fitness, which is certainly our hope, light exercise is a key component of your workout plan. Ideally, you're looking at four days a week of hard exercise -- two of strength training, and two of hard aerobics -- as the base of your program, and then two days a week of very light, long duration exercise, like a long walk or easy bike ride. An hour of this light exercise will keep you on track for your fitness goals while giving your body a chance to actively recover from the hard days.

Even if you're not serious about exercise (yet!), light exercise plays a wonderful role in promoting your overall health. Nobody has done truly high-quality studies, but data suggest that walking is, mile for mile, as good for your long-term cardiovascular health as running. ("Mile for mile" is very different than hour for hour. Walking three miles is the same as running three miles, but walking a half hour is definitively not the same as running a half hour).

So, if you are aiming for good physical and mental health, but simply can't get yourself into the harder exercise groove, shoot for walking an hour a day, or the equivalent in any other form of light exercise, and you will have done yourself a world of good.
Justinmiller13 responded:
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