9.6 Types Of Synovial Joints

Question 1

Plane joint

Answer 1

Flat or slightly curved joints.

Permit back-and-forth and side-to-side movements between the flat surface of bones, but can also rotate against each other.

-triaxial (multiaxial)

Question 2

Hinge joint

Answer 2

Convex surface of one bone fits into the concave of another bone

Produce angular movement much like a hinged door

-uniaxial

Question 3

Pivot joints

Answer 3

Round surface of bone articulates with a ring formed partly by another bone and a ligament

-uniaxial

Question 4

Condyloid joint

Answer 4

The convex oval shaped projection of one bone fits into the oval shaped depression of another bone.

• biaxial.
• radiocarpal (wrist)

Question 5

Saddle joints

Answer 5

Articular surface of one bone is saddle shaped and Articular surface of the other bone fits into the saddle as a rider would.

-biaxial

Question 6

Ball-and-socket joints

Answer 6

Ball like surface of the bone fitting into a cup like depression of another bone.

• triaxial (multiaxial)
• shoulder and hips