Hand Flashcards by Walker Short | Brainscape

Q

What runs through Guyon’s canal?

A

Ulnar nerve & artery

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Q

What innervates the lateral 2 lumbricals?

A

Median nerve

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Q

What innervates the medial 2 lumbricals?

A

ulnar nerve

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Q

What are the functions of the lumbricals?

A

maintain tension of extensor hood

- aid in PIP, DIP extension

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Q

What is the function of the palmar interossei?

A

Adduct fingers 1, 3, 4

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Q

What is the innervation of the palmar interossei?

A

Ulnar nerve

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Q

What is the function of the dorsal interossei?

A

Abduct fingers 1, 2, 3

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Q

What is the innervation of the dorsal interossei?

A

Ulnar

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Q

What nerve is damaged in wristdrop?

Which nerve roots?

A

radial nerve

C7,8

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Q

What nerve is damaged in claw hand?

A

Ulnar nerve

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Q

Damage to what nerve results in thenar atrophy?

What nerve roots?

A

Median nerve

C8, T1 (Klumpke’s)

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Q

What artery supplies the pointer finger?

A

Radial indicis

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Q

What artery supplies the thumb?

A

Princeps pollicis

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