Bones Of Hand Flashcards
From lateral to medial, 4 carpals of distal row
Trapezium, trapezoid, capitate, hamate
From lateral to medial, the 4 carpals of the proximal row
Scaphoid, lunate, triquetrum, and pisiform
As tendons pass over the dorsum of the wrist, they are covered in …
Synovial tendon sheaths
Which reduce friction with the carpals
Supination is produced by the____ when resistance is absent and by the ____ when resistance is present.
Supinator
Biceps brachii
Pronation is produced primarily by ____ and secondarily by _____.
pronator quadratus
Pronator teres
Lateral epicondylosis
Extensor muscles that attach to lateral epicondyle
Ecrb most commonly involved
Caused by over use
Pain with wrist extension, tenderness over lateral epicondyle and weak grip
Wrist-drop caused by damage to…
Radial nerve causing it to not innervate extensor muscles
DeQuervain’s syndrome
Inflammation of the structures in the first dorsal compartment
Pain increases with a stretch to these structures
+flex thumb
+Make fist
+ulnar deviate