This Exercise Gets You in Shape in Just 4 Minutes a Day
Imagine this: You're pinched for time, so you head to your living room to do a quick bout of interval training. Then, 4 minutes later, you end your workout and head out the door to work. Sound like heresy? Believe it or not, it's reality now, thanks to a Norwegian study reported by LifeHacker earlier this week. "Regular exercise training improves maximal oxygen uptake (VO2max), but the optimal intensity and volume necessary to obtain maximal benefit remains to be defined,"…
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