Lexie enjoys talking to her infant sister Brianna. Lexie explains that she is three years old and holds up three fingers, then asks Brianna if she can do the same thing. Brianna waves her arms but doesn't seem to have much control over her finger movements. In words Lexie can understand her father explains that this is due to the ________________ principle.

Question

Quizplus · Accepted Answer

The proximodistal principle describes how growth and development proceed from the center of the body outward. In this case, Brianna's inability to control her finger movements as precisely as an older child can is due to her developmental stage, where control over arm movements (closer to the body's center) develops before fine motor skills like finger movements.

Lexie Enjoys Talking to Her Infant Sister Brianna