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Joint Actions
Types of Synovial joints
Type | Function | Examles |
---|---|---|
Hinge joint | Movement in one plane only. Flexion, extension. | jaw, knee, elbow |
Condyloid joint | Movement in 2 planes. Flexion, extension, abduction, adduction. | wrist, ankle |
Ball and socket | Movement in 3 planes. Flexion, extension, abduction, adduction, horizontal abduction/adduction, rotation. | hip, shoulder |
Sliding joint | Motion is sliding rather than rotation about an axis. | wrist bones |
Saddle joint | Movement in 2 planes of motion, one bone is positioned in articular surface of the other. | thumb joint |
Pivot joint | turning movement around the long central axis of the segment. | radio-ulnar joint (wrist pivot) |