Anatomy of hand and wrist Flashcards
What is the only metacarpal with no distal or proximal IP joint?
1st - thumb
main contributor of superficial palmar arch
ulnar artery
Main contributor of deep palmar arch
radial artery
Where do the superficial veins arise from in the arm?
dorsal venous arch
Cephalic and basilic - median or lateral side
cephalic lateral
basilic median
What vein connects the basilic and cephalic vein across the cubital fossa?
median cubital vein
Lymph nodes which drain the upper limb
axillary
8 flexor muscles of the forearm
pronator teres, FCR, Palmaris longus and FCU
FDS
FDP, FPL and pronator quadratus
nerve supply of brachioradialis
radial nerve
action of the forearm flexors
flex wrist
FCU action on wrist
adducts
FCR action on wrist
abduction
2 muscles responsible for wrist pronation
pronator teres
pronator quadratus
Where does FDS attach?
middle phalanges of digits 2-5
Where does FDP and FPL attach?
distal phalanges
FDS, FDP and FPL action
flex proximal and distal IP joint
forearm flexors actions
extend wrist and digits
ECU action
adducts
ECRL and ECRB action
abduction
supination of wrist
biceps brachii and supinator
extensor digiti minimi and extensor digitorum action
extend fingers, elbow and wrist
3 tendons comprising anatomical snuffbox
EPL
EPB
APL
5 things felt in anatomical snuffbox
radial styloid process radial artery trapezium scaphoid base of 1st metacarpal
what runs in the carpal tunnel?
9 tendons of FDS,FDP and FPL and median nerve
