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elbow quiz
anatomical kinesiology
Question | Answer |
---|---|
actions of biceps brachii long head and short head | supination of the forearm, horizontal adduction + flexion + abduction of the shoulder, flexion of the elbow |
innervation of pronator teres | median nerve (C6/C7) |
origin of the biceps brachii short head | coracoid process of the scapula and the upper lip of the glenoid fossa with a proximal attachment of the coracobrachialis |
insertion of triceps long head + lateral head + medial head | olecranon process of the ulna |
innervation of triceps long head + lateral head + medial head | radial nerve (C7/C8) |
origin of biceps brachii long head | supraglenoid tubercle above superior lip of the glenoid fossa |
insertion of biceps brachii long head and short head | tuberosity of the radius and the bicipital aponeurosis |
innervation of biceps brachii (long head + short head) | musculocutaneous nerve (C5/C6) |
origin of triceps long head | infragelnoid tubercle below the inferior lip of the glenoid fossa of the scapula |
action of triceps long head | extension/elbow extension, adduction, horizontal abduction of the shoulder |
origin of pronator teres | distal part of the medial supracondylar ridge of the humerus and the medial side of the proximal ulna |
insertion of pronator teres | middle 1/3 of the lateral surface of the radius |
origin of supinator | lateral epicondyle of humerus and neighboring posterior part of the ulna |
insertion of supinator | lateral face of the proximal radius just below the head |
actions of supinator | supination of the forearm |
innervation of supinator | posterior interosseous nerve from the radial nerve (C6) |
origin of triceps lateral head | upper half of the posterior side of the humerus |
actions of the triceps lateral head + medial head | extension of the elbow |
origin of the medial head of tricep | distal 2/3 of the posterior surface of the humerus |
action of the pronator teres | pronation of the forearm and flexion of the elbow |