1
Lie supine on a flat surface with legs extended, arms at sides or crossed over chest, shoulders relaxed, and head in neutral position looking upward.
2
Engage core muscles by drawing navel toward spine. Position hands behind head or crossed over chest. Keep legs straight or slightly bent to reduce strain.
3
Lower legs slowly toward the ground by extending hips and knees, maintaining a neutral spine and keeping lower back pressed into the floor throughout the descent.
4
Pull legs back up to starting position by flexing hips and engaging abdominal muscles, drawing knees toward chest while maintaining upper body stability on the floor.