Wrist and Hand Flashcards
(45 cards)
How many bones and joints are in the hand?
27
20
How many carpal bones are in the hand?
8(2 rows of 4)
How many metacarpals are in the hand?
5
How many phalanges are in the hand?
14
Bones Proximal-Distal
Radiocarpal Intercarpal Carpometacarpal Metacarpophanlangeal Interphalangeal
What are the movements of the radiocarpal?
Flex/Ext
ABD/ADd
Circumduction
What joint permit gliding of the wrist?
Intercarpal
Carpometacarpal
What are the movements of the metacarpophalangeal joint?
Flex/Ext
ABd/ADd
What are the movements of interphalangeal joint?
Flex/Ext
What type of joint is the first metocarmophanlangeal?
Saddle Joint (Thumb)
What are the movements of the 2-5 Carpometecarpal joint?
Flex/Ext
And/ADd
Opposition
Reposition
What structure can you palpate through the anatomical snuffbox?
Carpal Navicular (Scaphoid)
Where is the anatomical snuffbox located?
Extensor Pillicus Longus
Extensor Pollicus Brevis
What is the most common injured bone in the wrist?
Schaphoid
What muscles on the wrist produce flexion?
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnari
What muscles produce extension in the wrist?
Extensor carpi radialis longus
Extensor carpi ulnari
What two muscles produce wrist ABduction
Flexor carpi radialis
Extensor carpi radialis longus
What muscles produce Adduction?
Flexor carpi ulnaris
Extensor carpi ulnari
What muscle does 12 percent of the population not have?
Palmaris longus
What does the palmaris longus tighten?
Palmar fascia
Thenar eminence
Flexor polices brevis
Collateral Sprain of the hand
MCP
DIP
PIP
Gamekeepers thumb or skiers thumb?
Collateral ligament their of the thumb on the ulnar nerve.
Forced Abduction and Hyperextension
Stener lesion?
From injuries to the UCL
Adductor aponeurosis comes in between of rupture end and prevent healing
