Tuesday, February 19, 2008

Basic Joint Anatomy Worksheet

Why is there little to no movement in a fibrous joint? the bones that makes up the joint are united with the fibrous tissue
What is an example of a fibrous joint? the suctures which hold together the bone of the skull.
Describe a cartilaginous joint and give an example. two or more bones joined by cartilage. The vertebral column.
What type of joint essentially allows free movement? synovial joint

What lubricates a joint cavity? synovial fluid
For the following joint types please list the name of the joint type, the type of movement of the joint, the shape of the joint and an example.
Plane joint - gliding, slipping, synovial, and slightly curved.
Hinge joint -two bones joined where the convex end of one bone fits into the complementary concave end of another.
Condylar joint - two articular surfaces on each bone, known as condyles. similar to a hinge joint, but also permits other kind of movement.
Ball and Socket joint - a bone with a spherical mass on one end joined with a bone possessing a complementary hollow depressions.
Ellipsoidal joint - permits movement in variety directions.
Pivot joint - the end of a bone moving within a ring formed by another bone and connective tissue.
Saddle joint - two bones joined each with a convex and concave surface that are complementary.