Q44 1st Carpometacarpal Joint

Question 1

State the type of Joint

Answer 1

Synovial saddle (biaxial)

Question 2

State the articular surfaces

Answer 2

Distal Trapezium and base of 1st metacarpal

Question 3

Identify the Movements of the Thumb

Answer 3

See diagram

Question 4

Name the muscles of the Thenar Eminence

Answer 4

Abductor Pollicis Brevis.

Flexor Pollicis Brevis.

Adductor pollicis.

Opponens Pollicis