1
Lie supine on your back with knees bent, feet flat on floor hip-width apart, arms extended alongside body or across chest, head in neutral position with neck relaxed
2
Engage core and prepare for movement by lightly placing hands behind head or across chest without pulling on neck
3
Lower the torso and legs toward the floor by extending hips and straightening legs, allowing abdominals to lengthen under control while maintaining neutral spine
4
Drive legs upward and crunch torso toward pelvis by flexing hips and spine, bringing knees toward chest and shoulders off floor, exhale at top of contraction, then return to start position with control