A 31-year-old member asked:
What is the reason for a babies upper arms to be stiff?
1 doctor answer • 2 doctors weighed in
Pediatrics 46 years experience
See the Doctor: There may be a number of reasons.There are a series of birth defects that allow babies to be born with stiffer, less flexible joints.Muscle conditions are possible.Also it may be a normal variation.Best to talk with your pediatrician for the specifics after a good physical examination.
4.9k viewsReviewed >2 years ago
Last updated Sep 28, 2013
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