Spotlight 9-2 Joint Movement

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Condylar Joint(Ellipsoid joints)

Have an oval articular face nestled within a depression on the opposing Movement: Angular, biaxial Ex) radiocarpal, metacarpophalangeal/metatarsophalangeal joints

Saddle Joint

Have complex articular faces and fit together like a rider in a saddle. Each face is concave along one axis and convex along the other Movement: Angular, biaxial Ex) First carpometacarpal joint(Thumb)

Plane Joint(Gliding Joints)

Have flattened or slightly curved surfaces that slide across one another, but the amount of movement is very slight Movement: Gliding, slight nonaxial Ex) manubrium/clavicle, intercarpal and vertebrocostal joints

Pivot Joint

Only permit rotation Movement: rotation, monaxial Ex) atlanto-axial, proximal radio-ulnar joint

Hinge Joint

Permit angular motion in a single plane, like the opening and closing of a door Movement: Angular, monaxial Ex) elbow, knee, ankle joints

Ball and Socket Joint

The round head of one bone rests within a cup shaped depression in another Movement: Angular, circumduction, and rotation Triaxial Ex) Shoulder, hip joint


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