BYT

Brace · Bodyweight · Learn first

Lying leg raise

On your back, legs long, hands beside the hips or under the pelvis.

Lying leg raise
  1. 1Press the low back down before the legs move.
  2. 2Lift the legs until the hips just start to curl.
  3. 3Lower until the heels hover. Don't slam them down.

Easy to miss: Arching the back and swinging the legs.

Muscles

Copper on the figure is a prime mover. The softer tone helps.