The Elbow Joint Flashcards
Type of joint
Hinge joint
Bones of the elbow
Humerus, Ulna and radius
Joint between humerus and ulna
Humero-ulnar
Joint between humerus and radius
Humero-radial joint
Joint between radius and notch of ulna
Superior radio-ulnar joint
Pivot joint
Ligaments of the elbow
Lateral collateral ligament
Medial collateral ligament
Annular ligament
Movements of the elbow
Flexion
Extension
Elbow flexors
Brachialis, biceps brachii, brachioradialis,
Extensor of the elbow
Gravity, triceps brachii, anaconeus
Brachialis
Origin - distal half of the humerus
Insertion - tuberosity and Coronoid process of the ulna
Action - flexion of the elbow
Biceps Brachii
Origin - Coronoid process of the scapula and tubicle or the scapula
Insertion - tuberosity of the radius
Action - flexion of shoulder and elbow and supernate the forearm
Brachiordialis
Origin - lateral ridge of the humerus
Insertion - Styloid process of the radius
Action - flex of the elbow and supernate and pronate
Triceps Brachii
Origin - scapula
Insertion - olecrannon process of the ulna
Action - extend shoulder and elbow, adduct shoulder
Anconeus
Origin - lateral epicondyle of the humerus
Insertion - olecranon process of the ulna
Action - extend elbow