Osteology of The Hand Flashcards
How many bones are in the hand in total?
27
There are 8 _________ bones in the hand.
CARPAL
How many metacarpals are there?
5
Like the foot, how many phalanges are in the hand?
14
The carpal bones are described as 2 rows of ___ bones each.
4
What is the name of each row of carpal bones?
PROXIMAL ROW
+
DISTAL ROW
Name the bones of the proximal row from lateral to medial?
SCAPHOID aka NAVICULAR (HAS TUBERCLE) \+ LUNATE \+ TRIQUETRUM \+ PISIFORM
Name the bones of the distal row from lateral to medial?
TRAPEZIUM (HAS TUBERCLE) \+ TRAPEZOID \+ CAPITATE \+ HAMATE (HAS HOOK)
What is the term used to remember the carpal bones of the hand?
Some Lovers Try Positions That They Can't Handle
Which hand would you look at the dorsal surface of in anatomical position, in order for the SLTPTTCH lovers remembering trick to be read like a book, from left to right?
LEFT HAND
In the Some Lovers Try Positions That They Can’t Handle trick, what does Some refer to?
SCAPHOID
In the Some Lovers Try Positions That They Can’t Handle trick, what does Lovers refer to?
LUNATE
In the Some Lovers Try Positions That They Can’t Handle trick, what does Try refer to?
TRIQUETRUM
In the Some Lovers Try Positions That They Can’t Handle trick, what does Positions refer to?
PISIFORM
In the Some Lovers Try Positions That They Can’t Handle trick, what does That refer to?
TRAPEZIUM
In the Some Lovers Try Positions That They Can’t Handle trick, what does They refer to?
TRAPEZOID
In the Some Lovers Try Positions That They Can’t Handle trick, what does Can’t refer to?
CAPITATE
In the Some Lovers Try Positions That They Can’t Handle trick, what does Handle refer to?
HAMATE
What is the most easily palpable bone on the palmar surface of the hand?
PISIFORM
located medially
What is the most medial bone in the distal row of carpals?
HAMATE
The trapezium is the carpal bone leading distally to the __________.
THUMB
Name the 2 carpal bones which have a tubercle?
*** attachment points for flexor retinaculum
SCAPHOID
+
TRAPEZIUM
What is the name of the anterior projection which makes hamate easy to identify?
HOOK OF THE HAMATE
What does the scaphoid articulate with?
RADIUS PROXIMALLY \+ LUNATE MEDIALLY \+ CAPITATE, TRAPEZOID & TRAPEZIUM DISTALLY
What does the lunate articulate with?
RADIUS & ULNA PROXIMALLY \+ TRIQUETRIUM MEDIALLY \+ HAMATE & CAPITATE DISTALLY \+ SCAPHOID LATERALLY
What does triquetrium articulate with?
PISIFORM ANTERIORLY \+ ULNA PROXIMALLY \+ HAMATE DISTALLY \+ LUNATE LATERALLY
What does pisiform articulate with?
TRIQUETRIUM POSTERIORLY
What does trapezium articulate with?
INFEROLATERALLY WITH 1ST METACARPAL \+ SCAPHOID PROXIMALLY \+ TRAPEZOID MEDIALLY
What does trapezoid articulate with?
SCAPHOID PROXIMALLY \+ CAPITATE MEDIALLY \+ 2ND METACARPAL DISTALLY \+ TRAPEZIUM LATERALLY
What does capitate articulate with?
SCAPHOID & LUNATE PROXIMALLY \+ HAMATE MEDIALLY \+ 3RD METACARPAL DISTALLY \+ TRAPEZOID LATERALLY
What does hamate articulate with?
TRIQUETRIUM & LUNATE PROXIMALLY \+ 4TH & 5TH METACARPALS DISTALLY \+ CAPITATE LATERALLY
The flexor retinaculum forms the _________ _________ through which structures pass.
CARPAL TUNNEL
There is a natural anterior ___________ formed by the carpal bones.
CONCAVITY
Where does the flexor retinaculum attach laterally?
TUBERCLES OF SCAPHOID AND TRAPEZIUM
Where does the flexor retinaculum attach medially?
HOOK OF THE HAMATE
+
PISIFORM
Each metacarpal and phalange (thumb exception) has a _______, a ______, and a head.
BASE
+
SHAFT
Heads are located __________.
DISTALLY
Bases are located __________.
PROXIMALLY
