Ab Crunches

Crunches are an abdominal muscle strengthing movement to help aid in posture, core strength, and injury prevention.

1. Lie down on your back. Plant your feet on the floor, hip-width apart. Bend your knees and place your arms across your chest. Contract your abs and inhale.
2. Exhale and lift your upper body, keeping your head and neck relaxed.
3. Inhale and return to the starting position.