15. Ball and Socket & Ellipsoid Joints

What axial classification applies to a ball and socket joint?

Triaxial

What is the structural arrangement of a ball and socket joint?

Round ball rests in a round socket

What movements do ball and socket joints allow?

Flexion, extension, adduction, abduction, and rotation

What are two examples of ball and socket joints?

Glenohumeral and hip

What is another name for the glenohumeral joint?

Shoulder

What bones join at the glenohumeral joint?

Scapula and humerus

What bones join at the hip joint?

Hip bone and femur

What is another name for an ellipsoid joint?

Condylar joint

What axial classifications apply to an ellipsoid joint?

Biaxial or multiaxial

What is the structural arrangement of articular surfaces in an ellipsoid joint?

Oval shaped articular surfaces

What movements do ellipsoid joints allow?

Flexion, extension, adduction, and abduction

What are three examples of ellipsoid joints?

Atlantooccipital, radiocarpal, and temporomandibular

What is another name for the radiocarpal joint?

Wrist

What bones join at the atlantooccipital joint?

Atlas and occipital bone

What action is permitted by the atlantooccipital joint?

Allows you to nod your head

What bones join at the radiocarpal joint?

Radius and carpal bones

What bones join at the temporomandibular joint?

Mandible and temporal bone

What action is permitted by the temporomandibular joint?

Allows you to open and close your jaw