Styloid process of ulna question

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ratatat

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Hey,

I'm a bit confused about the styloid process of the ulna. I thought it was the bony bump that this guy points to in the video.

http://www.youtube.com/watch?feature=player_detailpage&v=Xkgon19KfPw#t=85s

However, one of the comments said that that is the ulnar head. The commenter states that the styloid process of the ulna is deep during pronation, but is present during supination. I don't understand. 😕

Thanks a million

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you are correct. the styloid process of the ulna is the most medial and distal bone marking. the head is referring to the entire articular surface. you cannot see the "head", referring to the surface anatomy the guy in the video was talking about
 
you are correct. the styloid process of the ulna is the most medial and distal bone marking. the head is referring to the entire articular surface. you cannot see the "head", referring to the surface anatomy the guy in the video was talking about

Thanks a lot Specter, much appreciated.
 
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