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WHAT IS HINGE JOINT,PIVOT JOINT ,AND BALL AND SOCKET JOINT |
Hinge Joint A uniaxial joint in which a broad, transversely cylindrical convexity on one bone fits into a corresponding concavity on the other, allowing motion in one plane only, as in the elbow. Also called ginglymoid joint. Ball and Socket Joint  A synovial joint, such as the shoulder or hip joint, in which a spherical knob or knoblike part of one bone fits into a cavity or socket of another, so that some degree of rotary motion is possible in every direction. Also called enarthrosis. Pivot Joint  A joint in which a bone rotates around another; a joint permitting only rotating movement. |
