Repeat on opposite side for one rep. Continue, alternating sides.

Jill’s Tip"Good form equals faster sculpting.

verify your back’s straight and lunging knee tracks over your ankle."

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Press weight into palms; jump feet up and to right, landing in a crouch.

Continue, alternating three hops to right, then three to left.

Jill’s Tip"Stay low to really target your butt and thighs."

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Stand and jump, extending arms overhead; continue for 30 seconds.

Switch sides; repeat.

Think: Nothing changes unless I try."

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Continue for 30 seconds.

Switch arms; repeat.

Jill’s Tip"You may feel off-balance at first; if that happens, squeeze your abs.

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This engages your core to steady you."

Kick left leg under torso and out to right.

Continue quickly for 30 seconds.

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Switch legs; repeat.

Jill’s Tip"Kick as fast and strong as possible to up your calorie burn."

Bend to right, touching right fingertips to floor beside right heel.

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Return to start; repeat on opposite side.

Repeat on opposite side.

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