Improve Your Fitness In Just 12 Minutes a Week

A treadmill is one of many ways to do high-intensity interval training.  Tabata's classic study used a stationary bicycle.

A treadmill is one of many ways to do high-intensity training. Tabata’s classic interval study used a stationary bicycle.

…if you’re an overweight out of shape man. The lede touts three 4-minute workouts a week. The fine print adds a 10-minute warm-up and 5-minute cool-down. So now we’re up to 19 minutes x 3 = 57 minutes a week.

Medical Daily has the details, or you can go straight to the research report. These guys walked, jogged, and ran on an inclined treadmill. The 4-minute “exercise” is intense.

Study participants increased their oxygen consumption, a common measure of fitness. The also dropped their fasting blood sugars by 5%.

I don’t see why you couldn’t replicate these results with other types of exercise, such as bicycling, burpees, or running outdoors.

We’ve already established that most of us will never exercise for two or three hours a week. How about an hour? If you’re sedentary now, what are you waiting for?

Steve Parker, M.D.

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