Instructions
Lie on your back on a flat bench.
Reach overhead and grab the top of the bench with both hands.
Brace your abdominal muscles.
Straighten your legs and lift them up. Stop when they are above parallel.
Contract your abdominals as you bend your knees and bring your legs up and towards the top of the bench.
Pause then slowly release your legs to the starting position, making sure to keep the contraction in your abdominals.