① Sit Back onto the Heels

• · Hips back toward the heels, hands planted
• · Low back stays rounded — it's locked out

② Hand Behind Head, Rotate Under

• · Free hand cups the back of the head
• · Rotate the chest DOWN toward the planted arm
• · Hips stay heavy on the heels

③ Rotate the Chest Open (hold)

• · Open the chest, elbow toward the ceiling
• · Eyes follow the moving elbow
• · Only the mid-back turns — hips are parked