UPPER LIMB
Brachialis
Brachioradialis
Deep branch of radial nerve
piercing supinator
Extensor carpi radialis longus
Anterior interosseous nerve
for lateral half of flexor digitorum
profundus (hybrid muscle)
Pronator teres
Cut part of flexor digitorum superficialis
Superficial branch of radial
nerve and radial artery
Flexor pollicis longus (unipennate)
Flexor digitorum superficialis Palmaris longus
Median artery and nerve
Fig. 9.4: Muscles, nerves and arteries seen in the forearm
Palmaris longus
Rodiol Artery
Median nerve
Common flexor origin
Ulnar nerve for medial half of
fl exor digitorum profundus
(hybrid muslce)
Anterior inierosseous
nerve and artery
Ulnar nerve
Ulnor Artery
Median nerve on flexor
digitorum profundus
Flexor carpi ulnaris
Dorsal carpal branch of
ulnar nerye
Median nerve
Flexor carpi ulnaris
Ulnar artery
and nerve
Flexor carpi radialis
Brachioradialis
Flexor digitorum
superficialis
Flexor digitorum
profundus
Radial artery
and nerve
Extensor carpi
radialis longus
Pronator teres
Extensor carpi
radialis brevis
Ulnar artery
and nerve
Flexor pollicis
longus
Flexor
digitorum
profundus
Aponeurosis
attached
to posterior
border of ulna
Flexor carpi
u ln aris
Flexor
carpi
radialis
Radial
artery
lt
E
=
oCL
CL
)
C
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oo
a
Extensor compartment Flexor pollicis longus
lnterosseous membrane
Anterior interosseous
nerve and artery
Fig. 9.5: Transverse section through the middle of forearm
showing the compartments, nerves and arteries
'J:si:ilx*ffi:l'
Fig. 9.6: Transverse section passing just above wrist showing
arrangement of the structures in flexor (anterio0 compartment