Motor Development: The progression of physical abilities in infants, including gross motor skills (like crawling and walking) and fine motor skills (like grasping and manipulating objects).

Gross motor skills refer to large movements of the arms ... Teachers also pace the introduction of movement elements ...

At 40 weeks gestational age, the preterm infant is similar in muscle tone ... in itself interfere with the acquisition of early motor skills. Gross motor delays in head and trunk control may ...