Forearm Flashcards
What is the origin of the biceps brachii muscle?
The biceps brachii has two origins: the short head originates from the coracoid process of the scapula, and the long head originates from the supraglenoid tubercle of the scapula.
Where does the triceps brachii muscle insert?
The triceps brachii inserts on the olecranon process of the ulna.
True or False: The brachialis muscle originates from the humerus.
True
Fill in the blank: The flexor carpi radialis muscle originates from the _____ epicondyle of the humerus.
medial
What is the primary action of the brachioradialis muscle?
The primary action of the brachioradialis is to flex the forearm at the elbow.
Which muscle of the forearm has its origin on the lateral supracondylar ridge of the humerus?
The brachioradialis.
What is the insertion point of the pronator teres muscle?
The pronator teres inserts on the middle of the lateral surface of the radius.
Multiple Choice: Which of the following muscles is a flexor of the forearm? A) Triceps B) Biceps C) Anconeus
B) Biceps
True or False: The supinator muscle originates from the ulna.
True
Where does the flexor carpi ulnaris muscle insert?
The flexor carpi ulnaris inserts on the pisiform bone, hook of hamate, and base of the fifth metacarpal.
What is the origin of the extensor carpi radialis longus?
The extensor carpi radialis longus originates from the lateral supracondylar ridge of the humerus.
Fill in the blank: The insertion of the extensor digitorum is on the _____ of the digits 2-5.
extensor expansions
Which muscle originates from both the humerus and the ulna?
The flexor digitorum profundus.
What is the primary function of the extensor carpi ulnaris?
The primary function of the extensor carpi ulnaris is to extend and adduct the wrist.
True or False: The anconeus muscle assists in forearm pronation.
False
