Protective head turn1,14
Less weight on face, pelvis lower1
Arms and legs under trunk, arms not weight bearing1
Crawling movements in legs1
Hips high, knees under abdomen1
In sidelying, upper extremities move toward midline - positional hand-to-hand contact and reflexive hand-to-mouth contact occurs
Protective head turning is present due to the labyrinthe righting reflex
In sidelying, upper extremities move toward midline, making hand-to-hand and hand-to-mouth more likely