KP221 Lecture Notes - Lecture 7: Coracobrachialis Muscle, Brachialis Muscle, Anatomical Terms Of Motion
16 Feb 2017
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2 types of movement between arm and forearm. Supination and pronation soup bowl and dump the soup motion. Muscles: flexors anterior view: innervation musculocutaneous nerve, extensors post view: innervation radial nerve. Medial epicondyle sticks out at elbow. Capitulum thumb side, next to trochlea. Lat epicondyle outer bony part of elbow, thumb side. Lat supracondular and medial supracondylar ridges rides right above med and lat epicondyle, when the hum shaft extends outward toward elbow. How to tell the view is anterior: lesser tubercle can be seen, head of humerus faces medially, can see the trochlea and capitulum. Radial nerve groove of rad nerve- only for posterior muscles below the surgical neck of humerus. 2 articulating surfaces - capitulum and trochlea. Cap is thumb side, troch is ulnar side. Fossae: crevices, opening, coronoid process ant coranoid process of ulna sits when forearm is flexed, olecranon post olecranon process of ulna sits when forearm is extended.
