Carpometacarpal and intermetacarpal Joints

Question 0

Articulation of Joint

Answer 0

Carpals and metacarpals with each other; CMC joint of thumb between trapezium and base of 1st metacarpal

Question 1

Type of joint

Answer 1

Plan synovial Joints, expect for CMC joint of thumb between trapezium and base of 1st metacarpal

Question 2

Joint Capsule

Answer 2

Fibrous layer of joint capsule surrounds joints lined on internal surface by synovial membrane

Question 3

Ligaments

Answer 3

Bones united by anterior, posterior, and interosseous ligaments

Question 4

Movements

Answer 4

Flexion-extension and abduction-adduction of CMC joint of 1st digit; almost no movement at 2nd and 3rd digits; 4th digit slightly moveable; 5th digit very mobile

Question 5

Innervation

Answer 5

Anterior interosseous branch of median nerve posterior interosseous branch of radial nerve, and dorsal and deep branches of ulnar nerve.