Why is there little to no movement in a fibrous joint?
because the bones are united with strong fibrous tissue.
What is an example of a fibrous joint?
sutures that hold together the skull
Describe a cartilaginous joint and give an example.
very little movement occurs, is untied by intervening fibrocartilage. an example is the berterbrae.
What type of joint essentially allows free movement?
Synovial Joints
What lubricates a joint cavity?
synovial fluid secreted by the synovial membrane
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 or slipping in any direction, slightly curved surfaces, carpal bones in the hand
Hinge joint , rotation around a single axis, shaped like irregular cyliner, the elbow.
Condylar joint, similar to the movement of a hinge joint, has two articular surfaces, knee joing
Ball and Socket joint, movement in variety of directions, spherical articualation, an example is the shoulder joint
Ellipsoidal joint, movement in a variety of dirctions, oval socket , example is the wrist joint
Pivot joint ,rotates with respect to the joint, bony peg which fits into concave notch, example is the raius and ulna.
Saddle joint, movement in a variety of directions, resembles two western saddles one inverted, and second at right angles to the first, example is joint at the base of the thumb.
Purp Forces
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Monday, September 17, 2007
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1 comment:
WEll Done!!!
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