topic 16 Flashcards

1
Q

what is the main artery of the antebrachium, and what are its branches

A

PALMAR/MEDIAL
A. Mediana
(continues to the common digital palmar branches –> prorius digital palmar)

1 - a. radialis
(arcus palm supf with a. interossea caud)
(arcus palm prof with a. ulnaris)

the a. interossea caud also give off the palm dig propr abax V

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2
Q

what arteries supply the dorsal aspect of the antebrachium/carpus/digits

A

1 - a. antebr supf cran med: communis+proprius braches II(ax)-V
2 - a. antebr supf cran lat: proprius brnaches to I-II(abax)
3 - rete carpi dordalis: r. carp dors(ex radial), r. interosseus, r. carp dors(ex ulnar)
4 - r. dors ex a. ulnar proprius (abax) V

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3
Q

what are the carpal and digital flexors of the FL

A
  1. m. flex carpi uln
  2. m. flex carpi rad
  3. m. flex dig supf
  4. m. flex dig prof
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4
Q

what is the direction of supernation

A

M -> L

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5
Q

which muscles does the ulnar nerve innervate

A

m. flex. carpi ulnare

DDF except the radial head

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6
Q

what group of muscles does the median nerve innervate

A

antebrachial flexors, and skin on palmar aspect

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7
Q

describe the heads of the DDF

A

humeral: biggest
Ulnar:
Radial: smallest

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8
Q

describe the heads of the ulnar carpal flexor

A

ulnar: smaller and tendinous
humeral: biggest

this is the most superficial/caudal muscle except SDF!
m. flex carpi rad: med/deep to it, shorter

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9
Q

where will you find the median artery

A

fused to the median nerve, under m. flexor carpi radialis and the humeral head of DDF

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10
Q

where does the a. ulnaris run

A

Runs caudodistally betwwen ulna and humeral head of DDF

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11
Q

where does a. radialis branch out from the median

A

distal to the m. pronator teres

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