This modified jumping jack requires coordination, balance, and stability. It will increase your heart rate, fire up your metabolism, and tone the shoulders, thighs, glutes, and hamstrings.

Stand with feet wider than your shoulders and arms at your sides. Softly bend the knees and engage the core.

Jump, landing with right foot crossed in front of left and right arm overhead.

Jump, this time landing with left foot crossed in front of right and left arm overhead.