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Why Don't We Have Elbowcaps?

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Published on Dec 3, 2016

Arms and legs are pretty similar, from the amount of bones they have to the way their joints bend, but your legs have one thing your arms don't: kneecaps. Ever wonder why?

Hosted by: Michael Aranda
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Sources:
http://www.aofas.org/footcaremd/condi...
https://www.howitworksdaily.com/quest...
http://yourfunctionalhealth.com/why-d...
http://www.arthritis.org/about-arthri...
Sophie Regnault and John R. Hutchinson, personal communication

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