Hand and Wrist Flashcards
Why is the hand/wrist vulnerable to injury?
very little muscle or fat
padding to protect the
underlying bony
structures
most hand/wrist injuries present with?
local point tenderness, swelling and reduced function
__ intrinsic and __ extrinsic muscles
19; 20
the hand/wrist has ___, ___, ___ and ___ roles
expressive
protective
motor
sensory
what four bones make up the proximal row?
scaphoid
lunate
pisiform
triquetrum
What 4 bones make up the distal row?
trapezium
trapezoid
capitate
hamate
the ___ does not touch the carpal bones
carpal
most of the flexors are supplied by the _____ nerve
median
most of the extensors are controlled by the ____ nerve
radial
blood is supplied by the ___ and ___ arteries
radial and ulnar
the ___ nerve innervates the three digits on the palmar side - complaining of carpal tunnel is due to this nerve
medial
injury prevention? (3)
- protective padding
- physical conditioning
- proper skill technique
chronic injury?
wrist ganglion
most common wrist injury?
wrist sprain
management of wrist sprain? (3)
- refer to physician for x-ray
- RICE, splint and analgesics
- tape for support
Etiology:
- Direct blow to the finger tip (axial load) or valgus/varus stress
- May damage DIP, PIP or MCP joint capsule/ligaments
phalange sprain
S&S of phalangeal sprain? (5)
pain, swelling, point tenderness, instability, loss of ROM
management for phalangeal sprain?
RICE, splint, refer if suspecting a fracture
Thumb MCP is forced into abdn /& hyperextension is etioogy for?
thumb UCL sprain
S&S:
Pain, swelling, instability, loss of function (cannot pinch grip)
thumb UCL sprain
management for thumb UCL sprain?
RICE, NSAIDs, splint/tape, refer if suspecting a fracture or instability
Etiology:
Direct blow to the finger tip (axial load) with forced hyperflexion of DIP avulsing extensor tendon
strains - mallet finger
S&S:
Pain & swelling at DIP, point tenderness, instability, loss of ROM (cannot extend DIP)
strains - mallet finger
management for mallet finger strain?
RICE, splint, refer if suspecting a fracture