Anatomy - Upper limb Flashcards by Brian Boyarsky

Q

Innervation anterior arm

A

Musculocutaneous n.

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Q

Innervation posterior arm

A

Radial n.

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Q

Innervation anterior forearm

A

Median n. (flexors); except FCU & medial FDP (ulnar n.)

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Q

Innervation posterior forearm

A

Radial n. (extensors)

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Q

Innervation thenar muscles

A

Median n.

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Q

Innervation hypothenar muscles

A

Ulnar n.

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Q

Innervation adductor pollicis

A

Ulnar n.

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Q

Innervation anterior interossei

A

Deep ulnar n.

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Q

Innervation posterior interossei

A

Deep ulnar n.

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Q

Innervation lumbricals 1 & 2

A

Medial n.

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Q

Innervation lumbricals 3 & 4

A

Ulnar n.

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Q

Adduction at the MCP joint

A

Palmar/anterior interossei

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Q

Abduction at MCP joint

A

Dorsal/posterior interossei

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Q

Flexion at the MCP joint

A

Lumbricals

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Q

Extension at the MCP joint

A

Extensor digitorum

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Q

Extension at the IP joint

A

Lumbricals

Q

Flexion at the proximal IP joint

A

Flexor digitorum superficialis

Q

Flexion at the distal IP joint

A

Flexor digitorum profundus

Q

Components of the radial bursa

A

Flexor pollicus longus

Q

Components of the ulnar bursa

A

Flexor digitorum superficialis & profundus

Q

Cutaneous innervation of the anterior hand

A

Ulnar (4 & 5), Medial (1, 2, 3.5)

Q

Cutaneous innervation of the posterior hand

A

Ulnar (4 & 5), Medial (tips of 1, 2, 3.5), Radial

Q

Innervation of the palmar interossei

A

Ulnar n.

Q

Innervation of the dorsal interossei

A

Ulnar n.