stationary bike workout; I did this today! Great for when all the elliptical machines are busy ~Jen
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A 20-minute beginner HIIT workout complete with a warm-up, 6 sprint and recovery cycles, and a cool-down. The intensity of each interval is relative to your personal fitness abilities.

A 20-minute beginner HIIT workout complete with a warm-up, 6 sprint and recovery cycles, and a cool-down. The intensity of each interval is relative to your personal fitness abilities.

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