Elbow Flashcards
What makes up the elbow?
Humerus
Radius
Ulnar
What does the humero-ulnar joint do?
Flexion/extension
What does the radio-capitallar joint?
- Supination
- Pronation
What do the triceps insert into?
Olecranon
What muscles are used for extension?
Triceps
What muscles are used for flexion?
- Brachialis
- Biceps
What does brachialis insert into?
Coronoid process of the ulna
What do the biceps insert into?
Insert onto bicipital tuberosity of radius
What muscles are used for supination?
Biceps
Supinator
What muscles are used for pronation?
Pronator teres- proximal
Pronator quadratus-distal
Common extensor origin?
Lateral epicondyle
Common flexor origin?
Medial epicondyle
Pathologies of shoulder?
-Enthesis of common extensor/flexor can be painful
-Primary OA rare: secondary to trauma generally
Commonly affected in RA