UE and Hand Flashcards
Lateral epicondyle tendons
Extensors (anconeus, supinator, ECRL, ECRB, ECU, ED, EDM)
Medial epicondyle tendons
Flexors (pronator teres, FCR, FCU, PL, FDS)
UE blood supply
Aortic arch - brachiocephalic - subclavian (2) - axillary (2) - brachial (2) - ulnar/radial (2) - digital arteries
Extensor zone I
DIP
Extensor zone II
Middle phalanx
Extensor zone III
PIP
Extensor zone IV
Proximal phalanx
Extensor zone V
MP
Extensor zone VI
Metacarpal
Extensor zone VII
Carpal bones/wrist
Extensor zone VIII
Forearm
Extensor thumb zone I
IP
Extensor thumb zone II
Proximal phalanx
Extensor thumb zone III
MCP
Extensor thumb zone IV
Metacarpal
Extensor thumb zone V
Wrist
Flexor zone I
Fingertip to center of middle phalanx
Flexor zone II
Center of middle phalanx to distal palmar crease “no mans land”
Flexor zone III
Distal palmar crease to transverse carpal ligament
Flexor zone IV
Overlies transverse carpal ligameent
Flexor zone V
Proximal to wrist
Distal row of carpal bones (radial to ulnar)
trapezium, trapezoid, capitate, hamate
Proximal row of carpal bones (radial to ulnar
Scaphoid, lunate, triquetrum, Pisiform
Main blood supply of the hand
Ulnar and radial arteries