Forearm Flashcards
(16 cards)
How many extensor compartments?
6
Extensor compartment 1
EPB, APL
Extensor compartment 2
ECRL, ECRB
Extensor compartment 3
EPL
Extensor compartment 4
Extensor digitorum, Extensor indicis
Extensor compartment 5
Extensor digiti minimi
Extensor compartment 6
ECU
O/I of Pronator teres
O: Medial epicondyle, prox. ulna
I: Lateral radius, mid third
O/I of Flexor carpi radialis
O: Medial epicondyle
I: Base of 2nd (and 3rd) metacarpal
O/I of Palmaris longus
O: Medial epicondyle
I: Flexor retinaculum, palmar aponeurosis
O/I of Flexor carpi ulnaris
O: Medial epicondyle, posterior ulna
I: Pisiform, hoof of hamate, 5th MC
Most powerful wrist flexor
Flexor carpi ulnaris
O/I of Flexor digitorum superficialis
O: Med. epicondyle, prox. ulna, anteroprox. radius
I: Middle phalanges of digits
O/I of Flexor digitorum profundus
O: Anterior ulna and interosseous membrane
I: Distal phalanx
O/I of Flexor pollicis longus
O: Anterior radius and prox. ulna
I: Distal phalanx of thumb
O/I of Pronator quadratus
O: Medial distal ulna
I: Anterior distal radius
