Elbow - Joints and Ligaments Flashcards
What are the two parts that are considered to be the elbow joint?
The humeroulnar and humeradial joint.
The humerulnar - trochlea of the humerus articulates with the trochlear notch of the ulna
The humeroradial joint - the capitulum of the humerus articulates with the head of the radius
Elbow Joint - ligaments, describe.
On the lateral side:
- is the radial collateral ligament which is on the epicondyle of the humerus to annular ligament
- Annular ligament - encircles the radius and holds it in the radial notch of the ulna
Medially:
- Ulnar collateral ligament - which is on th emedial epicondyle of humerus to olecranon and coronoid prociesses of ulna
What movement are available at the elbow joint?
What is the nerve supply?
Flexion and extension.
Articular brances of musculcutoenous, ulnar and radial nerves
What is the name of the bursa at the elbow?
The subtendinous olecranon bursa
The subcutaneous olecranon bursa
What do they radioulnar joints allow?
The proximal and distal ends allow for supination and pronation
What type of joint is the radioulnar joint?
It is a pivot type synovial joint.
Which bone pivots upon the other?
The radius pivots upon the ulna.
What is proximal radioulnar joint held by?
The annular ligament.
