Intermediate muscles Flashcards
1
Q
Lumbricals
A
o- tendons of flexor digitorum profundus
I- extensor hoods of index, ring, middle and little fingers
I- medial 2 –> ulnar nerve
lateral 2 –> median nerve
A- flex MCP joint and extend IP joint
2
Q
Palmar Interossei
A
O- side of metacarpals
I- extensor hoods of the thumb, index, ring and little fingers and the proximal phalanx of the thumb
I- ulnar nerve
A- adduction of the thumb, index, ring and little fingers at the MCP joints
3
Q
Dorsal Interossei
A
O- adjacent sides of metacarpals
I- extensor hood and base of proximal phalanges of index, middle and ring fingers
I- ulnar nerve T1
A- abduction of index, middle and ring fingers at the MCP joints
