Bones, ligaments and joints of the hand (incl. wrist) Flashcards
….. nerve enters hand from forearm by passing through carpal tunnel
median
Carpal tunnel syndrome causes
swelling + tendon hypertrophy
What is boxers fracture
fracture of 4th and 5th metacarpals
Mallet finger is a rupture of…
Extensor tendon
Jersey finger is a rupture of…
Flexor tendon
What type of joint is the distal radioulnar joint
synovial pivot joint
Distal radioulnar joint allows for
supination and pronation of forearm
Radiocarpal joint is between….
distal radius/ ulnar fibrocartilaginous disc
+
proximal row of carpals
What type of joint is radiocarpal joint
synovial condyloid joint
what type of joints are the midcarpal joints
synovial condyloid joints
what type of joints are the intercarpal joints
plane synovial joints
Wrist joint capsule is reinforced by
anterior interosseous ligaments
posterior interosseous ligaments
6 ligaments of the wrist joint
radial collateral ligament
ulnar collateral ligament
palmar ulnocarpal ligament
palmar radiocarpal ligament
dorsal ulnocarpal ligament
dorsal radiocarpal ligament
What is a Colles fracture
typically due to FOOSH
fracture of radius and ulna approx 2.5 cm from distal end
dislocation of radioulnar joint distally
What is a smiths fracture
fall onto a flexed wrist
direct blow to post. surface of distal forearm
ant. and post. displacement of distal radial fragment