hand nerves p420 Flashcards
1
Q
clawing in hands are best seen in what lesion?
A
distal lesion of median or ulnar nerves
2
Q
in what lesion gives you pope’s blessing?
A
proximal median nerve
3
Q
what is atrophy of the thenar eminence?
A
unopposable thumb –> ape hand
4
Q
what nerve lesion can lead to ape hand (atrophy of the thenar eminence)?
A
median nerve (C5 - T1) lesion
5
Q
what nerve lesion can lead to atrophy of the hypothenar eminence?
A
ulnar nerve (C8 - T1) lesion
6
Q
what muscle is used to abduct the fingers?
A
dorsal interossei
7
Q
what muscle is used to adduct the fingers?
A
palmar interossei
8
Q
what muscle flex at the MCP joint, extend PIP and DIP joints
A
lumbricals
