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Palm of Hand Compartments (Thenar Compartment (Muscles (Flexor pollicis…
Palm of Hand Compartments
Thenar Compartment
Tendon
Flexor pollicis longus tendon
Nerves
recurrent branch of median n.
Muscles
Flexor pollicis brevis (FPB)
superficial head
deep head
opponens pollicis
Abductor pollicis brevis (APB)
Arteries
princeps pollicis artery
proper digital arteriole to palmar surface of thumb
Location
bounded anteriorly by the thenar fascia (lateral side of palm)
Hypothenar Compartment
Muscles
flexor digiti minimi brevis (FDMB)
opponens digiti minimi (ODM)
abductor digiti minimi (ADM)
Nerves
superficial branch of ulnar n.
Location
bounded anteriorly by the hyothenar fascia (medial side of palm)
Mid-palmar (Central) compartment
Muscles
4 lumbricals
Location
between thenar and hypothenar compartment. bounded anteriorly by the palmar aponeurosis
Nerve
medial n. and its 3 common digital n.
superficial ulnar nerve and its common digital nerve to little and ring finger
Arteries
superficial palmar arch and its 3 common digital A.
( branch of ulnar A.)
deep palmar arch
Tendon
tendons and synovial sheaths of the FDS and FDP
Adductor Compartment
Muscles
adductor pollicis
Location
deep to central and thenar compartments
Nerve
deep ulnar n.
Intermetacarpal Compartment
Muscles
4 dorsal interossei
3 palmar interossei
Location
deep to all other compartments