Hand Flashcards
True or false; the ulnar styloid process extends farther
False; radial
True or false; Scaphoid, Lunate, Triquetrum, and pisiform make up th distal row
False; proximal
What are the top 3 most fractured carpal bones?
1- scaphoid
2- lunate
3- triquetrum
Which carpal bone is most impacted by OA?
Trapezium
Which carpal bone is the most common dislocation?
Lunate
What is another name for the carpometacarpal joint of the thumb?
Basal joint
Which digit is injured in a boxer’s fracture?
5th
Which digits do real boxers injure?
2 &3 metacarpals
__________ ligaments are oblique at the MCP joint
Collateral ligaments are oblique at the MCP joint
The volar plate prevents …
Hyper extension
Which muscles are in the first dorsal compartment?
Abductor pollicis longus and brevis
Which muscles are in the second dorsal compartment?
Extensor carpi radialis longus and brevis
Which muscles are in the third dorsal compartment?
Extensor pollicis longus
Which muscles are in the fourth dorsal compartment?
Extensor digitorum
Communis extensor
Extensor indicis proprius
Which muscles are in the fifth dorsal compartment?
Extensor digiti
Abductor digiti
Quinti proprius
Which muscles are in the six dorsal compartment?
Extensor carpi ulnaris
Which muscles flex the wrist?
Flexor carpi radialis
Flexor carpi ulnaris
Palmaris longus
Which muscles are in the deep flexor group?
Flexor policis longus
Flexor digitorum profundus
Which muscles are in the superficial flexors?
Flexor digitorum superficialis
Which annular ligaments especially hold the tendons to the bones?
A2 and A4
How many cruciate and annular ligaments are in a digit?
3 cruciate
4 annular
The extensor digiti minimi makes up ___% of the hand’s power
50%
How many dorsal interossei are there? Palmar?
Dorsal 4
Palmar 3
Which tendons do the lumbricles attach to?
The flexor digitorum profundus tendon
When the MCP flexes, the extensor digitorum is ______ and the intrinsics are _________
ED tight and intrinsics loose
When the MCP extends, the extensor digitorum becomes ________ and the intrinsics________
ED becomes redundant and the intrinsics tighten
What are 3 ways to measure edema?
Volumeter, tape measure, Digital Rings
True or false; there are normative values for grip strength and pinch strength
False; compare to the other side
What is another word for median nerve compression?
Carpal tunnel syndrome
Where are the two most common sites of compression for the ulnar nerve?
Guyons canal
Cubital tunnel
What is De Quervain’s syndrome?
Stenosing tenosynovitis of the 1st dorsal compartment
Loss of active extension of distal interphalangeal joint results in…
Mallet finger
