click below
click below
Normal Size Small Size show me how
Diarthrotic joints
classification
| Question | Answer |
|---|---|
| irregular or plane joint | irregular surfaces, flat or slightly curved, permits gliding: wrist bones, tarsals |
| hinger joint | convex/concave surfaces, uniaxial, permits flexion/extension |
| pivot joint | a peglike pivot, permits rotation: cervical 2 |
| condyloid joint | oval or egg-shape, convex surface: in between tarsals and metatarsals, can't rotate |
| saddle joint | modification of condyloid, biaxial, permits flexion/extension, abduction/adduction, circumduction: sternal clavicular, thumb |
| ball and socket joint | head of one bone fits into cup of another bone: shoulder joint, hip joint |