Elbow joint/ Ligaments of the elbow

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Where does the Anterior band of the Ulnar Collateral Ligament attach? What is it's function?

Cord-like band extending from the medial epicondyle to the tubercle on the coronoid process. Strongest band. Taut in extension.

What Ligaments are on the elbow joint?

Dislocations at the elbow joint are inhibited by two collateral ligaments and one annular ligament. Radial Collateral lig Ulnar Collateral lig Annular Ligament lig

What are the attachments for the Radial Collateral Ligament? What is its function?

Fan like ligament that attaches the lateral epicondyle of the humerus and blends distally with the annular ligament of the radius. Fixes head of radius to Capitulum.

Where does the Posterior band of the Ulnar Collateral Ligament attach? What is it's function?

Fan-like band extending from medial epicondyle to the medial aspect of the olecranon and trochlear notch. Fibers are angled 30 to 50 degrees relative to the anterior band. Weakest band. Taut in flexion.

Where does the Oblique band of the Ulnar Collateral Ligament attach? What is it's function?

Flat band attached to the olecranon running along the trochlear notch. Help to deepen the socket for the trochlea of the humerus.

What bones articulate at the elbow joint? Name the structures that articulate on each of the bones. Be specific.

Humeroulnar articulation: The trochlea of the humerus articulates with the trochlear notch of the ulna. Humeroradial Articulation: The capitulum of the humerus articulates with the head of the radius. Radioulnar Articulation: The head of the radius articulates with the radial notch of the ulna.

What are the attachments for the Annular Ligament? What is its function?

The annular ligament completely encircles the head of the radius. This ligament holds the head of the radius firmly within the radial notch of the ulna. It maintains the radioulnar joint and permits pronation and supination of the forearm.

What type of joint is the elbow?

elbow joint is a hinge type synovial joint

What are the attachments for the Ulnar Collateral Ligament? What is its function? What are the 3 bands?

triangular ligament located on the medial side of the elbow. It extends from the medial epicondyle of the humerus to ulnar tuberosity on the medial aspect of the coronoid process and the medial aspect of the trochlear notch/olecranon of the ulna. It consists of three bands. Anterior Posterior Oblique


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