Lumbricals Flashcards
1
Q
Attachment of lumbricals
A
Extensor hood of each finger
2
Q
Action of lumbricals
A
Flex at MCP joints and extend at IP joints of fingers
3
Q
Innervation of medial 2 lumbricals
A
Ulnar nerve
4
Q
Innervation of lateral 2 lumbricals
A
Median nerve
5
Q
What tendons do the lumbricals link
A
Extensor and flexor tendons
6
Q
Origin of lumbricals
A
Each tendon of flexor digitorum profundus
7
Q
What direction do lumbricals pass around fingers
A
Dorsally and laterally
