Arm, cubital fossa & forearm FITB&TF Flashcards
The __________ is the longest bone in the upper arm, extending from the shoulder to the elbow.
humerus
The __________ nerve innervates the biceps brachii and brachialis muscles.
musculocutaneous
The brachial artery bifurcates into the __________ and __________ arteries at the elbow.
radial, ulnar
The __________ muscle is responsible for elbow extension and is innervated by the radial nerve.
triceps brachii
The __________ nerve provides sensation to the lateral aspect of the forearm and innervates the anterior compartment muscles of the arm.
musculocutaneous
The __________ and __________ are the two bones of the forearm that work together to allow rotation of the hand.
radius, ulna
The __________ vein is a major superficial vein that runs along the medial aspect of the arm and forearm.
basilic
The __________ nerve innervates the muscles in the posterior compartment of the arm and forearm, including the triceps brachii.
radial
The __________ artery supplies blood to the muscles of the posterior compartment of the arm.
deep brachial
The __________ muscle is responsible for flexing the elbow and supinating the forearm.
biceps brachii
The __________ nerve provides sensation to the medial aspect of the hand and digits 4 and 5.
ulnar
The __________ nerve innervates the flexor muscles of the forearm, except for the flexor carpi ulnaris and part of the flexor digitorum profundus.
median
The __________ is a major artery that supplies oxygenated blood to the muscles and tissues of the arm and terminates into the radial and ulnar arteries at the elbow.
brachial
The __________ muscle originates from the coracoid process and inserts on the humerus, assisting in flexion and stabilization of the arm.
coracobrachialis
The __________ nerve is formed by the anterior rami of spinal nerves C5 to T1 and provides motor and sensory innervation to the arm.
brachial plexus
The cubital fossa is also known as the __________ fossa.
antecubital
The superior border of the cubital fossa is formed by an imaginary line between the __________ epicondyles of the humerus.
medial and lateral
The __________ nerve runs close to the brachioradialis muscle and splits into its deep and superficial branches within the cubital fossa.
radial
The __________ tendon is the most prominent structure in the cubital fossa and attaches to the radial tuberosity.
biceps
The __________ artery bifurcates into the radial and ulnar arteries at the apex of the cubital fossa.
brachial
The median nerve exits the cubital fossa between the two heads of the __________ muscle.
pronator teres
The floor of the cubital fossa is formed proximally by the __________ muscle and distally by the supinator muscle.
brachialis
The roof of the cubital fossa is formed by the skin, fascia, and the __________ aponeurosis.
bicipital
The __________ vein is a common site for venipuncture and is located within the roof of the cubital fossa.
median cubital
The lateral border of the cubital fossa is formed by the __________ muscle.
brachioradialis
The elbow joint is a __________ joint that allows flexion and extension of the forearm.
hinge
The elbow joint is formed by the articulation of the __________ with the radius and ulna.
humerus
The __________ nerve is at risk of injury during a fracture of the radial head.
radial
The __________ muscle is the primary flexor of the elbow joint.
brachialis
The __________ is a bony projection on the ulna that fits into the olecranon fossa of the humerus during elbow extension.
olecranon
The __________ nerve innervates the triceps brachii, which is responsible for elbow extension.
radial
The __________ joint is responsible for the rotation of the forearm, specifically pronation and supination.
proximal radioulnar
The __________ is a bony landmark on the medial side of the elbow that serves as an attachment point for several muscles.
medial epicondyle
The __________ nerve passes through the cubital tunnel and can be palpated on the medial side of the elbow.
ulnar
The __________ is a shallow depression on the posterior aspect of the humerus that accommodates the olecranon during full elbow extension.
olecranon fossa
The forearm consists of two bones: the __________ and the __________.
radius, ulna
The __________ is the lateral bone of the forearm and plays a major role in the rotation of the hand.
radius
The __________ is the medial bone of the forearm and forms the hinge joint with the humerus at the elbow.
ulna
The __________ muscle is responsible for supination of the forearm and is innervated by the radial nerve.
supinator
The __________ nerve innervates the flexor muscles of the forearm, including the flexor digitorum superficialis and pronator teres.
median
The __________ nerve innervates the extensor muscles of the forearm and is responsible for wrist and finger extension.
radial
The __________ artery is the larger terminal branch of the brachial artery and forms the deep palmar arch in the hand.
ulnar
The __________ artery runs along the lateral side of the forearm and forms the superficial palmar arch.
radial
The __________ muscle is responsible for flexing the wrist and is innervated by the median nerve.
flexor carpi radialis
The __________ muscle is responsible for extending the wrist and is innervated by the radial nerve.
extensor carpi radialis
The __________ nerve provides sensation to the lateral aspect of the forearm and hand.
radial
The __________ vein is a common site for venipuncture and is located on the anterior aspect of the elbow.
median cubital
The __________ muscle is responsible for pronation of the forearm and is innervated by the median nerve.
pronator teres
The __________ muscle originates from the lateral epicondyle of the humerus and inserts on the radius, assisting in wrist extension.
extensor carpi radialis longus
Is the humerus the longest bone in the upper limb?
True
Are the radius and ulna both medial bones in the forearm?
False
The radius is lateral, and the ulna is medial.
Where does the biceps brachii muscle insert?
Radial tuberosity
The biceps brachii also has attachments to the forearm fascia.
Is the triceps brachii muscle the primary flexor of the elbow joint?
False
The triceps brachii is the primary extensor of the elbow joint.
What is the main blood supply to the upper limb?
Brachial artery
Does the median nerve innervate the biceps brachii muscle?
False
The biceps brachii is innervated by the musculocutaneous nerve.
Does the ulnar nerve pass through the cubital tunnel?
True
What nerve innervates the extensor muscles of the forearm?
Radial nerve
Is the brachioradialis muscle innervated by the median nerve?
False
The brachioradialis is innervated by the radial nerve.
Which nerve supplies the deltoid muscle?
Axillary nerve
Does the radial artery give off the profunda brachii artery?
False
The profunda brachii artery is a branch of the brachial artery.
Which artery is larger, the ulnar artery or the radial artery?
Radial artery
Which nerves innervate the coracobrachialis and brachialis muscles?
Musculocutaneous nerve
Does the median nerve pass through the carpal tunnel?
True
Is the radial nerve responsible for sensation on the dorsal aspect of the hand?
True
Is the cubital fossa located on the posterior aspect of the elbow joint?
False
It is located on the anterior aspect of the elbow joint.
Is the lateral border of the cubital fossa formed by the brachioradialis muscle?
True
Where does the brachial artery bifurcate?
At the apex of the cubital fossa
Does the median nerve exit the cubital fossa by passing between the two heads of the pronator teres muscle?
True
Is the radial nerve a major content of the cubital fossa?
False
The radial nerve is in the vicinity but not a major content of the cubital fossa.
Does the bicipital aponeurosis form part of the roof of the cubital fossa?
True
What forms the floor of the cubital fossa?
Brachialis muscle proximally and supinator muscle distally
Is the median cubital vein located within the roof of the cubital fossa?
True
Does the ulnar nerve pass through the cubital fossa?
False
The ulnar nerve does not pass through the cubital fossa.
Does the cubital fossa contain the radial, ulnar, and median nerves?
False
It contains the median nerve and brachial artery, but not the ulnar or radial nerves.
Is the elbow joint a hinge joint?
True
Can the elbow joint perform abduction and adduction?
False
The elbow joint is limited to flexion, extension, supination, and pronation.
What bones articulate at the elbow joint?
Humerus, radius, and ulna
Does the radial nerve innervate the muscles responsible for elbow flexion?
False
The radial nerve innervates the triceps brachii, which is responsible for elbow extension.
Does the ulnar nerve contribute to the innervation of the elbow joint?
True
Does the brachial artery bifurcate within the elbow joint?
True
Is the elbow joint a ball-and-socket joint?
False
The elbow joint is a hinge joint.
Is the biceps brachii the primary muscle for elbow extension?
False
The triceps brachii is responsible for elbow extension.
Does the elbow joint include the proximal radioulnar joint?
True
Does the median nerve provide significant innervation to the muscles of the elbow joint?
False
The median nerve primarily innervates muscles in the forearm and hand.
Does the forearm consist of two bones?
True
Does the radial nerve supply the extensor carpi ulnaris muscle?
True
Does the ulnar nerve innervate the brachioradialis muscle?
False
The brachioradialis is innervated by the radial nerve.
Which nerve provides motor innervation to the pronator teres muscle?
Median nerve
Does the radial artery form the deep palmar arch of the hand?
False
The deep palmar arch is primarily formed by the ulnar artery.
Is the flexor digitorum superficialis muscle innervated by the ulnar nerve?
False
It is innervated by the median nerve.
Is the supinator muscle innervated by the radial nerve?
True
Does the ulnar nerve pass through the cubital tunnel and innervate the intrinsic muscles of the hand?
True
Is the brachioradialis muscle located in the anterior compartment of the forearm?
False
It is located in the posterior compartment.
Does the median nerve innervate the extensor muscles of the forearm?
False
The radial nerve innervates the extensor muscles.
Is the ulnar artery larger than the radial artery?
False
The radial artery is usually larger.
Is the pronator quadratus muscle innervated by the median nerve?
True
Is the anconeus muscle supplied by the ulnar nerve?
False
It is supplied by the radial nerve.
Does the deep branch of the radial nerve innervate the extensor digitorum muscle?
True
