Question | Answer |
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 |