Figure 1. Illustrations of Common Arm and Leg Adjustments During Approach at 3 Months.

Note: (a) Infant LU: Mother’s Arms approach above the infant’s chest. Infant Arms still and up and back; Chin raised (back arched); Legs still. (b) Infant VI: Mother’s Arms approach above the infant’s chest. Infant Legs still, extended and slightly raised; Arms widened outwards. (c) Infant TO: Mother’s Arms approach above the infat’s chest. Infant Arms still and up and back; Legs extended and slightly raised. Participants have given written informed consent, as outlined in the PLOS consent form, to publication of their photographs.