Crunch (legs on stability ball)

Crunch demonstration gif

Instructions:

  • 1Lie on a stability ball with your back supported, knees bent, and feet on the floor.
  • 2Place your hands on your chest, and raise your torso off the ball and take it towards your knees.
  • 3Hold for a while, then slowly return to the starting position and repeat.

Tips:

  • DonÆt keep your feet very close to your hips.
  • Keep your lower back and hips on the ball.
  • Contract your abdominal muscles while heading forward.

Crunch Muscles Worked

Arms

Back

Core

Legs