four minute workout

Bicycle Crunch

Lie flat on the floor with your hands behind your ears (a). Raise your legs, head, shoulders, and back off the floor, then use your abs to drive your left elbow toward your right knee, keeping your left leg straight (b). Release, then drive your right elbow toward your left knee, keeping your right leg straight ©. Continue alternating as fast as you can for 20 seconds, then rest for 10. Repeat for four minutes.

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4-Minute Workout Routines You CAN Do

Recent research out of Auburn Montgomery University found that a four-minute workout routine can be as effective as five times the amount of traditional cardio. Translation: You can either slog your way through a morning jog as the weather gets colder, or you can do a quickie four-minute routine from your bedroom. Tabata is a method of alternating between 20 seconds of maximum effort followed by 10 seconds of rest, repeated for a total of eight times.

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