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Unformatted text preview: Joints that move contain a very slipper liquid called synovial fluid. Pods of cartilage keep bones glide smoothly across one another. Not all joints move, they are called fixed joints. Semi-movable joints allow a small amount of movement (between most of the vertebrae) Hinge joint can bend only back and forth (elbows and knees) Ball and socket joint give free rotation in any movement (hips and shoulders) Pivot joint allow your head to rotate right and left, also in elbows Ellipsoidal joint move all ways except in rotation (wrist and ankles)...
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- Fall '04
- Organic chemistry