Lumbrical Muscles Of Hand Flashcards
1
Q
Origin of lumbricals
A
Each from tendon of flexor digitorum profundus
2
Q
Insertion of lumbricals
A
Into extensor hood
3
Q
Action of lumbricals
A
Flexion at MCPJ and extension at IPJ of each digit
4
Q
Innervation of lumbricals
A
Lateral two lumbricals by median nerve
Medial two lumbricals by ulnar nerve