1st Carpometacarpal Joint Flashcards Preview

Board Review: General Anatomy Specific Joint Anatomy > 1st Carpometacarpal Joint > Flashcards

Flashcards in 1st Carpometacarpal Joint Deck (10):
1

WHat is the type of 1t carpometatcarpal joint?

Synovial

2

What is the classification of the 1st carpometacarpal joint?

Saddle (sellar)

3

What bones are involved in the 1st carpometacarpal joint?

Trapezium
1st metacarpal bones

4

What is the ROM for the 1st carpometacarpal joint?

Flexion
Extension
Adduction
Abduction
Opposition (approximating tips of thumbs and little finger

5

What muscles act in flexion?

Flexor pollicis longus and brevis

6

What muscles act in extension?

Extensor pollicis longus and brevis

7

What muscles act in abduction?

Abductor pollicis longus and brevis

8

What muscles act in adduction?

Adductor pollicis

9

What muscle acts in opposition?

Opponens pollicis

10

What innervates the 1st carpometacarpal joint?

Radial N
Median N