Hand compartments and innervation Flashcards
(23 cards)
Dorsal hand muscles
Dorsal interossei
What innervates dorsal interossei
Deep Ulnar nerve
Palmar hand muscles
Palmaris brevis
What innervates palmaris brevis
superficial ulnar
Thenar muscles of palmar hand
Abductor pollicis brevis
Flexor pollicis brevis
Opponen pollicis
What thumb muscle is not included in the thenar compartment of the hand
Adductor pollicis brevis (transverse and oblique head) `
Hypothenar muscles
Abductor digiti minimi
Flexor digiti minimi
Opponens digiti minimi
Central compartment muscles
Lumbricals
Palmar interossei
Innervation trends of thenar muscle group
Recurrent Median Nerve
What innervates Abductor pollicis brevis
Recurrent median nerve
what innervates flexor pollicis brevis
recurrent median nerve
What innervates opponens polliicis
Recurrent median
What innervates Adductor pollicis
Deep ulnar
Innervation trend of hypothenar group
Deep ulnar
What innervates Abductor digiti minimi
Deep ulnar nerve
What innervates flexor digiti minimi
deep ulnar nerve
What innervates opponens digiti minimi
deep ulnar nerve
What innervates Palmar interossei
deep ulnar nerve
What innervates Lumbricals
1-2 = Digital median nerve 3-4 = deep ulnar nerve
what bones does the flexor retinaculum attach to to create the carpal tunnel
scaphoid
trapezium
pisiform
hamate
which carpal bone articulate with the radius to form the radiocarpal joint
scaphoid
lunate
which artery forms the deep palmar arch
radial
why do you still have cutaneous sensation in carpal tunnel syndrom
the superficial branch of the median nerve (provides cutaneous sensation) is not impinged
