Wrist Hand A Flashcards
How many bones in the hand
29
Positive ulnar variance causes ___________
Negative ulnar variance causes
___________
Scapholunate instability/ TFC tear
Kienbock malacia
Normal ulnar variance is within
2mm of radius
What carpal bones are in the proximal row?
Scaphoid
Lunate
Triquetrium
Pisiform
What carpal bones are in the distal row
trapezium
trapezoid
capitate
hamate
closed and open packed position of DRUJ
Closed: 5 supination
Open: 10 supination
what is stronger, the dorsal or volar ligaments of the wrist
Volar
T or F: only flexor tendons have pulleys
T
what are the borders of the anatomical snuff box
APL+EPB
and EPL
What carpal bones are the side attachement sites of the carpal tunnel
hook of hamate and trapezium
where is the exclusive area of the ulnar nerve
Where is the exclusive area of the ulnar nerve
what nerve innervates the tip of the thumb
what is the key joint of the hand
wrist