Eyes follow activities from one side to the other. Both eyes move in unison. Reaches with two hands for objects up to one foot away. Transfers objects from one hand to the other. Kicks alternately with both legs.
Pulls self up from back-lying when hands are grasped.
When lying prone on stomach, supports self on extended arms and lifts head and chest strongly. Rolls over front to back. Sits alone briefly. Keeps head and back straight when held in a sitting position. When lying on back, brings legs up and over chest, and can grasp and bring one foot to mouth.