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Boost Energy, Blast Fat, Fast!
Burn 130 calories (and boost your energy) in just 15 minutes with this fun, do-anywhere cardio express routine.
Knee-Up Jump Lunge
Targets: Abs, butt, and legs
Stand with feet hip-width apart, arms by sides, elbows bent. Lunge back with right leg while swinging right arm forward and left arm back (like a runner).
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