Final answer:
Physical maturation follows proximodistal and cephalocaudal principles.
Step-by-step explanation:
Physical maturation follows two principles: proximodistal and cephalocaudal. Proximodistal means that development occurs from the center of the body towards the extremities. For example, infants develop the ability to control their torso before they can control their hands and fingers. Cephalocaudal means that development occurs from the head to the tail or feet. For instance, babies gain control over their neck muscles before they can crawl or walk.
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