X Squat

This exercise works your glutes, quads, hamstrings, thighs and calves. It also boosts your cardiovascular conditioning and improves your flexibility, balance and agility.
X Squat
  1. Stand with your hands on your hips and your feet shoulder-width apart.
  2. With your back straight, jump forward about 12 inches into a squat.
  3. Don't let your knees move past your toes.
  4. Jump forward into a squat a second time.
  5. Repeat the movement in reverse.