Wednesday, October 31, 2007

basic joint worksheet

Why is there little to no movement in a fibrous joint? Because the bones making up the joint are unitedwith strong fibrous tissue.

What is an example of a fibrous joint? sutures which hold together the bones of the skull.

Describe a cartilaginous joint and give an example. formed where two bones are united by intervening fibrocartilage, the vertebrae

What type of joint essentially allows free movement? synovial joints

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.

A. Plane joint the carpal bones, slightly curved articular suface which permit gliding or slipping in
any direction

B. Hinge joint cylindrical surface, the elbow joints

C. Condylar joint articular surface, the knee joint.

D. Ball and Socket joint spherical articulation, the shoulder joints

E. Ellipsoidal joint like ball and socket but oval shaped, the wrist

F. Pivot joint boney peg, joints between the radius and the ulna

G. Saddle joint resembles western saddle, the thumb joint

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