Synovial joints

Question 1

What are the two things synovial joints are described by?

Answer 1

Shape of articulating bone surfaces and the number of axes around which a movement can occur

Question 2

Plane joint (gliding joint)

Answer 2

Only translational/linear movements, axis is NONAXIAL

Question 3

What are examples of plane joints?

Answer 3

Intercarpal and intertarsal joints (most)

Question 4

Hinge joint

Answer 4

(typically) For flexion/extension, axis is UNIAXIAL

Question 5

What are examples of hinge joints?

Answer 5

Elbow, interphalangael joints, knee, ankle

Question 6

Pivot joint

Answer 6

Rotation, axis is UNIAXIAL

Question 7

What are examples of pivot joints?

Answer 7

Proximal and distal radioulnar joints

Question 8

Condylar joints

Answer 8

Movement around all axes except axis of rotation, axis is BIAXIAL

Question 9

What are examples of the condylar joints?

Answer 9

(knuckles) Metacarpophalangeal joints

Question 10

Saddle joint

Answer 10

Movement around all axes except axis of rotation, axis is BIAXIAL

Question 11

What are the only two examples of the saddle joint?

Answer 11

1st carpometacarpal joint (base of thumb), sternoclavicular joint (base of neck, by collarbone)

Question 12

Ball-and-socket joint

Answer 12

Mostly freely moving joint, axis is TRIAXIAL/MULTIAXIAL

Question 13

What are the only two examples of the ball-and-socket joint?

Answer 13

Shoulder and hip