Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
27 Cards in this Set
- Front
- Back
List the short muscles of the thumb.
|
thenar eminence muscles (abductor pollicis brevis, flexor pollicis brevis and opponens pollicis) and adductor pollicis
|
|
All thenar muscles arise from what? (origin)
|
flexor retinaculum and the trapezium
|
|
All thenar muscles insert on what?
|
shaft (body) of the first metacarpal
|
|
Where does the adductor pollicis insert?
|
base of the proximal phalanx
|
|
What is the origin of the adductor pollicis? (hint: two heads)
|
TRANSVERSE HEAD-shaft of 3rd metacarpal
OBLIQUE HEAD-bases of 1st 2nd and 3rd metacarpals |
|
All thenar muscles are supplied by what nerve?
|
recurrent branch of the median nerve (except the deep head of the flexor pollicis brevis--- ulnar nerve)
|
|
The adductor pollicis is supplied by what nerve?
|
ulnar nerve
|
|
List the hypothenar muscles.
|
abductor digiti minimi, flexor digiti minimi brevis, opponens digiti minimi
|
|
Where does the palmaris brevis originate from?
|
flexor retinaculum and palmar aponeurosis
|
|
what originates from the pisiform bone?
|
abductor digiti minimi
|
|
What two muscles orginate from the hook of the hamate and the flexor retinaculum?
|
flexor digiti mimini brevis and the opponens digiti minimi
|
|
All hypothenar muscles (except the opponens digiti minimi) insert where?
|
proximal phalanx of the 5th digit
|
|
where does the opponens digiti minimi insert?
|
shaft of the 5th metacarpal
|
|
all hypothenar muscles (except palmaris brevis) are supplied by what nerve?
|
deep branch of the ulnar nerve
|
|
The palmaris brevis is innervated by what nerve?
|
ulnar nerve or its superficial branch
|
|
There are __ palmar and __ dorsal interossei muscles.
|
3
5 |
|
No palmar interossei muscles insert on the ___ digit.
|
3rd
|
|
Two dorsal interossei muscles insert of the __ digit.
|
3rd
|
|
dorsal interossei muscles abduct the __ , ___,, and ___ digits.
|
2nd 3rd 4th
|
|
Palmar interossei muscles adduct the ___. ____. and ___ digits.
|
2nd 4th 5th
|
|
The interossei mucles may assist in flexion of the ___ joints or with extension of the ____ and _____ joints.
|
MP
PIP, DIP |
|
How many lumbricals are there?
|
4
|
|
Where do the Lumbricals originate?
|
flexor digitorum profundus tendons
|
|
____ lumbricals (3rd and 4th) are innervated by the ___ nerve?
|
medial
ulnar |
|
_____ lunbricals (1st and 2nd) are innervated by the ___ nerve?
|
lateral
median |
|
What is the primary function of the lumbricals?
|
extend the interphalangeal joints
|
|
What is the secondary function of the lumbricals?
|
flex MP joints
|