Improved head control1
Turns head in all directions14
Holds head steady and erect for short time14
Hands to knees, slightly lift buttocks1,6
Slight trunk flexion and extension1
Legs move symmetrically1
Lower extremities mirror upper extremities1
Feet together1
Head in midline, tucks chin1
Rolls from supine to side-lying without rotation1
Active and more mobile lower extremity1
Alternating symmetrical flexion and extension of lower extremity1
Arms and legs off surface6
Stage of midline orientation and symmetry; increased shoulder stability; upper extremity against gravity
Head maintained in midline and chin tucked
Increased active lower extremity flexion against gravity; lower extremities mirror upper extremities. Hands to knees and maybe to feet