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URI Anatomy Quiz 12

URI Anatomy Quiz 12 Muscles of the Shoulder, Arm, etc

QuestionAnswer
The teres major and coracobrachialis both _____. adducts the arm (humerus)
The action of the subscapularis is _____. medially rotates the arm (humerus)
The nerve supply to the anconeus muscle is the _____. radial nerve
The muscle that extends the digits in humans is the _____. extensor digitorum m
The action of the rhomboid muscles is _____, elevates the scapula, and rotates the scapula. retracts (adducts) the scapula
The nerve supply to the flexor digitorum profundus muscle is _____. half median nerve, half ulnar nerve
The extensor carpi radialis longus, extensor carpi radialis brevis, and _____ all abduct the hand. extensor digitorum communis m.
The _____ is a muscle of the anterior compartment of the forearm found only in humans and not in cats. palmaris longus m. (humans only)
The five muscles that move the arm are the _____, pectoralis major, latissimus dorsi, teres major, and coracobrachialis. deltoid muscle
The five muscles that move the forearm are the _____, biceps brachii, brachioradilis, triceps brachii, and anconeus. brachialis muscle
The _____ is the nerve supply for the extensor digitorum communis of humans. radial nerve
The _____ is the nerve supply for the triceps brachii of humans. radial nerve
The _____ is the nerve supply for the teres major of humans. lower subscapular nerve
The _____ is the nerve supply for the latissimus dorsi of humans. thoracodorsal nerve
The subscapularis has the following action: _____. medially rotates the arm (humerus)
The lateral and medial heads of triceps brachii have the following action: _____. extends the forearm
The pronator quadratus has the following action: _____. pronates (medially rotates) forearm and wrist (hand)
The flexor carpi radialis has its origin on the _____. origin on the medial epicondyle of the humerus at the common flexor tendon
The extensor carpi radialis brevis has its origin on the _____. origin on the lateral epicondyle of the humerus at the common extensor tendon