It starts supine, imprinted position. Legs parallel and adducted, extended on diagonal as low as imprint can be maintained, ankles plantar flexed, toes gently pointed. Arms long by sides, palms down, scapulae stabilized. To begin inhale and flex at hips to hinge legs toward torso, then sequentially articulate spine off mat from tailbone to upper thoracic area and reach legs overhead, parallel to mat. Exhale and extend hips and reach legs to ceiling, placing hands under iliac crest for support. Then inhale staying, continuing to reach legs to ceiling. Exhale stabilizing pelvis and reach one leg into extension at hip, bringing other leg into flexion at hip and pulsing twice with breath. Inhale and start to switch legs by reaching them to the ceiling so they pass each other in mid-air. Exhale stabilizing pelvis and reach other leg into extension at hip, bringing opposite leg into flexion at hip and pulsing twice with breath.