Jumping Jacks

1. Stand straight with feet together and knees slightly bent, arms hanging down at your sides.

2. Jump up while simultaneously raising your arms up over your head. Return to start position and repeat (see demo).

The Work-Out: As a warm-up, do jumping jacks for 5 minutes. As a cardiovascular workout, increase length to 20-30 minutes .

Make sure to: Keep your arms and knees bent slightly throughout the movement. Perform exercise on a soft but flat surface, such as carpet or wood floors.