Principles of Anatomy and Physiology 14e with Atlas of the Skeleton Set (14th Edition)

Published by Wiley
ISBN 10: 1-11877-456-6
ISBN 13: 978-1-11877-456-4

Chapter 8 - The Skeletal System: The Appendicular System - Critical Thinking Questions - Page 257: 2

Answer

Infants have flat feet because their arches have not yet developed. As they begin to stand and walk, the arches should develop in order to accommodate and support their body weight.

Work Step by Step

The arches of the feet are usually developed by age by ages 12-13 . Then, Dad can worry. He does not need to worry yet.
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