One of the constraints an infant has in being able to extend his head in prone is
A) excessive "tummy time."
B) visual orientation.
C) complete hip extension.
D) large weight of the head relative to the body.

Question

Quizplus · Accepted Answer

Of the options provided, only large weight of the head relative to the body is the best answer. Excessive tummy time would not constrain head lifting nor would complete hip extension (incomplete hip extension would also limit head extension).

One of the Constraints an Infant Has in Being Able