hand bones |
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| navigate by keyword : arm articulates bone capitulum carpals distal elbow fingers forearm hamate hand hinge humerus joints knuckles lunate metacarpals metacarpophalangeal olecranon palm phalanges pisiform proximal radius scaphoid sesamoid thumb trapezium triquetral trochlea ulna wrist |
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| When you bend your elbow, you can easily feel its tip, a bony prominence that extends from one of the lower arm bones (the ulna). That tip is called the olecranon (oh-lek'-rah-nun). It is positioned directly under the skin of the elbow, without much protection from muscles or other soft tissues. It can easily break if you experience a direct blow to the elbow or fall on a bent elbow. |
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