Hand Flashcards
What are the muscles of the thenar eminence? (3)
- Abductor pollicus brevis
- Flexor pollicis brevis
- Opponens pollicis
Which nerve innervates the thenar eminence of the hand?
Recurrent branch of median nerve
Which part of the hand is affected by carpal tunnel syndrome?
Thenar eminence
What muscles are present in the hypothenar eminence? (3)
- Abductor digiti minimi
- Flexor digiti minimi brevis
- Opponens digiti minimi
What are the hypothenar muscles innervated by?
Ulnar nerve
What are the lumbricals of the hand attached to?
Tendons of flexor digitorum profundus
What are the interossei muscles (2) and what are their functions?
- Dorsal interossei -> ABDuction of digits
- Palmar interossei -> ABBduction of digits
DAB and PAD are innervated by which nerve?
Ulnar nerve
How many carpal bones are there?
8
What are the 8 carpal bones?
Scaphoid, lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, hamate.
How many metacarpal bones are there?
5
How many phalanges in the hand?
14
What are the muscles of the thenar eminence (3)
Superficial (abductor pollicis brevis, flexor pollicis brevis) and deep (opponens pollicis)
What are the muscles of the hypothenar eminence (3)
Superficial (abductor digiti minimi, flexor digiti minimi brevis), deep (opponens digiti minimi)