Muscles Of The Forearm Flashcards
What is the origin of the biceps brachii?
The biceps brachii originates from the coracoid process and the supraglenoid tubercle of the scapula.
Which muscle is primarily responsible for elbow flexion?
The biceps brachii is primarily responsible for elbow flexion.
True or False: The triceps brachii is innervated by the radial nerve.
True.
Fill in the blank: The flexor carpi radialis inserts at the ______ of the hand.
base of the second and third metacarpals.
What action is performed by the flexor carpi ulnaris?
The flexor carpi ulnaris performs wrist flexion and ulnar deviation.
What is the innervation of the brachialis muscle?
The brachialis muscle is innervated by the musculocutaneous nerve.
Which muscle originates from the medial epicondyle of the humerus?
The flexor muscles of the forearm, including the flexor carpi radialis and flexor carpi ulnaris, originate from the medial epicondyle.
True or False: The pronator teres assists in forearm supination.
False.
What is the insertion point of the extensor digitorum?
The extensor digitorum inserts into the extensor expansions of the second to fifth fingers.
Which nerve innervates the flexor digitorum profundus?
The flexor digitorum profundus is innervated by the median and ulnar nerves.
What is the primary action of the supinator muscle?
The supinator muscle is responsible for supination of the forearm.
Fill in the blank: The origin of the pronator quadratus is the ______ of the ulna.
anterior surface.
What action does the extensor carpi radialis longus perform?
The extensor carpi radialis longus performs wrist extension and radial deviation.
True or False: The flexor pollicis longus is responsible for flexing the thumb.
True.
What is the origin of the anconeus muscle?
The anconeus originates from the lateral epicondyle of the humerus.
