Hand Flashcards
(25 cards)
What shape is the scaphoid?
A boat shaped bone
What shape is the lunate?
A moon shaped bone
What shape is the triquetrum?
A pyramidal bone
What shape is the pisiform?
A small, pea shaped bone
How many sides does the trapezium have?
4
What shape is the trapezoid?
A wedge shaped bone that resembles the trapezium
What shape is the capitate?
A head shaped bone with a rounded extremity
What shape is the hamate?
A wedge shaped bone
What does the scaphoid articulate with?
The radius
What does the scaphoid have that is predominant?
A scaphoid tubercle
What is the largest bone in the proximal row of carpals?
The scaphoid
Where is the lunate?
Between the scaphoid and triquetral bones
Where does the lunate articulate?
Proximally with the radius
Where is the lunate broader?
Broader anteriorly than posteriorly
Where is the triquetrum?
On the medial side of the carpus
Where does the triquetrum articulate?
Proximally with the articular disc of the distal radio-ulnar joint
Where is the pisiform?
Lies on the palmer surface of the triquetrum
Where is the trapezium?
On the lateral side of the carpus
What does the trapezium articulate with?
The 1st and 2nd metacarpals, scaphoid, and trapeziod bones
What does the trapezoid articulate with?
The 2nd metacarpal, trapezium, capitate and scaphoid bones
What is the largest bone in the carpus?
The capitate
What does the capitate articulate with?
Primarily with the 3rd metacarpal distally, and with the trapezoid, scaphoid, lunate, and hamate
Where is the hamate?
On the medial side of the hand
What does the hamate articulate with?
The 4th and 5th metacarpal, capitate, and triquetral bones
