Classification of Diarthrodial Joints Flashcards
1
Q
Non-Axial
A
Shape: Plane (irregular)
Joint Motion: Gliding
Example: Intercarpals
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
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
4
Q
Tri-Axial (Multiaxial)
A
Shape: Ball and Socket
Joint Motion: Flexion/Extension, Abduction/Adduction, Rotation
Example: