upper arm anatomy Flashcards
What are the two primary bones of the upper arm?
Humerus and radius.
True or False: The ulna is one of the main bones in the upper arm.
False.
Fill in the blank: The main muscle responsible for flexing the elbow is the __________.
Biceps brachii.
What is the primary function of the triceps brachii?
To extend the elbow.
Which nerve innervates the biceps brachii?
Musculocutaneous nerve.
Multiple Choice: Which of the following muscles is located on the posterior side of the upper arm? A) Biceps B) Triceps C) Deltoid
B) Triceps.
What major artery supplies blood to the upper arm?
Brachial artery.
True or False: The deltoid muscle is responsible for arm abduction.
True.
Fill in the blank: The __________ is a large muscle that covers the shoulder and upper arm.
Deltoid.
What is the anatomical term for the ‘funny bone’?
Ulnar nerve.
Multiple Choice: Which muscle is primarily responsible for shoulder flexion? A) Biceps B) Triceps C) Pectoralis major
C) Pectoralis major.
What is the main action of the brachialis muscle?
Flexion of the elbow.
True or False: The humerus is the only bone in the upper arm.
True.
Fill in the blank: The __________ nerve runs along the posterior aspect of the arm.
Radial.
What type of joint is the elbow joint classified as?
Hinge joint.
Multiple Choice: Which of the following muscles is NOT found in the upper arm? A) Biceps B) Triceps C) Quadriceps
C) Quadriceps.
What is the role of the coracobrachialis muscle?
Flexion and adduction of the arm.
True or False: The biceps brachii has two heads.
True.
Fill in the blank: The long head of the biceps brachii originates from the __________.
Supraglenoid tubercle of the scapula.
What is the insertion point of the triceps brachii?
Olecranon process of the ulna.
Multiple Choice: Which muscle assists in the supination of the forearm? A) Biceps B) Triceps C) Pronator teres
A) Biceps.
True or False: The upper arm contains both flexor and extensor muscles.
True.
Which muscle is involved in both shoulder and elbow movements?
Biceps brachii.
Fill in the blank: The __________ is the primary extensor of the elbow joint.
Triceps brachii.
What is the function of the anconeus muscle?
Assists in elbow extension.
Multiple Choice: Which muscle is primarily responsible for arm adduction? A) Deltoid B) Pectoralis major C) Biceps
B) Pectoralis major.
