UPPER LIMBBrachialisBrachioradialisDeep branch of radial nerve
piercing supinatorExtensor carpi radialis longusAnterior interosseous nerve
for lateral half of flexor digitorum
profundus (hybrid muscle)Pronator teresCut part of flexor digitorum superficialisSuperficial branch of radial
nerve and radial arteryFlexor pollicis longus (unipennate)Flexor digitorum superficialis Palmaris longus
Median artery and nerveFig. 9.4: Muscles, nerves and arteries seen in the forearmPalmaris longusRodiol Artery
Median nerveCommon flexor originUlnar nerve for medial half of
fl exor digitorum profundus
(hybrid muslce)Anterior inierosseous
nerve and artery
Ulnar nerveUlnor Artery
Median nerve on flexor
digitorum profundusFlexor carpi ulnarisDorsal carpal branch of
ulnar neryeMedian nerveFlexor carpi ulnaris
Ulnar artery
and nerveFlexor carpi radialis
BrachioradialisFlexor digitorum
superficialisFlexor digitorum
profundusRadial artery
and nerve
Extensor carpi
radialis longusPronator teresExtensor carpi
radialis brevisUlnar artery
and nerveFlexor pollicis
longus
Flexor
digitorum
profundusAponeurosis
attached
to posterior
border of ulnaFlexor carpi
u ln aris
Flexor
carpi
radialis
Radial
arterylt
E
=
oCL
CL
)
C
.9
oo
aExtensor 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