Classification of Diarthrodial Joints Flashcards

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1
Q

Non-Axial

A

Shape: Plane (irregular)
Joint Motion: Gliding
Example: Intercarpals

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2
Q

Uni-Axial

A

Shape: Hinge
Joint Motion: Flexion/Extension
Example: Elbow and Knee

Shape: Pivot
Joint Motion: Rotation
Example: Atlas/Axis, Radius/ Ulna

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3
Q

Bi-Axial

A

Shape: Condyloid (ellipsoidal)
Joint Motion: Flexion/Extension, Abduction/Adduction
Example: Wrist, MPs

Shape: Saddle
Joint Motion: Flexion/Extension, Abduction/Adduction, Rotation (accessory)
Example: Thumb CMC

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4
Q

Tri-Axial (Multiaxial)

A

Shape: Ball and Socket
Joint Motion: Flexion/Extension, Abduction/Adduction, Rotation
Example:

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