Increased shoulder stability, lifts arms against gravity1
Increased hip extension, lower extremity's move to surface1
Head rotation can still elicit neck righting reaction1
Asymmetrical tonic neck reflex is less frequent1
Knee extension stretches hamstrings, extend hip1
Knee extension stretches gastrocnemius, plantar flexes ankle1
Begin - head maintained in midline1,6
Increased active flexion of upper extremities and lower extremities1
Rotate head from side to side1
Chin tuck1,6
Bring hands to tummy1
Frog-leg position at rest1,6
Active kicking in symmetrical and reciprocal patterns1,6
Sole to sole feet contact1,6
Sole-to-sole play in prone and supine; antigravity kicking in prone and supine
Bring hands to mouth and tummy; uses hands at midline close to body; grasps toys and rattles
Chin tuck; elongation of posterior neck
Increase in active hip flexion against gravity; active kicking; hands to face