Elbow Joint Flashcards
What type of joint is the Elbow Joint?
hinge type of synovial joint.
The joint capsule is _____ anteriorly and posteriorly but ______ on each side by ______.
weak; strengthened; ligaments.
What are the ligaments of the Elbow Joint?
- Collateral Ligament
- Radial Collateral Ligament
- Anular Ligament of the radius
- Ulnar Collateral Ligament
What are the Collateral Ligaments of the elbow joint made up of?
Strong triangular bands that are medial and lateral thickenings of the fibrous layer of the joint capsule.
What is the Radial Collateral Ligament
A lateral, fan like ligament that extends from the lateral epicondyle of the humerus and blends distally with the anular ligament of the radius.
What is the Anular Ligament of the radius
this ligament encircles and holds the head of the radius in the radial notch of the ulna.
What does the Anular Ligament of the radius form?
the proximal radio-ulnar joint.
What does the Anular Ligament of the radius permit?
Pronation and supination of the forearm.
What is the Ulnar Collateral Ligament?
a medial, triangular ligament that extends from the medial epicondyle of the humerus to the coronoid process and olecranon of the ulna.