Three-month-old Mary Jo can hold her head up when in the arms of an adult, but she doesn't yet have much control of what her legs do. Which one of the following best describes Mary Jo's progression in muscular control? A It shows a cephalocaudal trend, which is typical. B It shows a definite delay in fine motor skills. C It shows a proximodistal trend, which is not typical. D It suggests that Mary Jo will probably be a good student but a poor athlete.
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The question describes a three-month-old baby, Mary Jo, who has control over her head but not her legs. It asks to identify the best description of her progression in muscular control. This points to developmental trends in infants. Show more…
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