1
Lie supine on a flat surface with back of head supported, shoulders relaxed away from ears, and knees bent with feet flat on floor hip-width apart
2
Place hands behind head with elbows pointing outward, or cross arms over chest. Engage core and maintain neutral spine position
3
Lower legs by extending knees and hip joints, bringing legs closer to horizontal position while maintaining controlled movement and core tension
4
Press through heels and engage abdominals to lift legs back to bent knee position, flexing hips and knees to return to starting position