50 Questions
The radial nerve originates from the _________ cord(s).
Posterior cord
The ulnar nerve originates from the __________ cord(s)
medial cord
Which nerve is compressed in Guyon Tunnel/Canal Syndrome?
Ulnar Nerve
Which muscle is inserted onto the Palmar Aponeurosis?
Palmaris Longus
What is the nerve supply to the Flexor Digitorum Profundus?
Both Median and Ulnar Nerves
Where does the extensor carpi radialis longus insert?
Posterior aspect of the base of metacarpal 2
What action does the Opponens Pollicis perform?
Medial rotation of the 1st MC
Where will a patient point to pain regarding tennis elbow?
Lateral epicondyle of the humerus
Which muscle is not part of the rotator cuff?
Teres major
What is the most often injured muscle of the rotator cuff?
A muscle that medially rotates the shoulder
Which nerve innervates the latissimus dorsi muscle?
A nerve that originates from the roots of C6, C7, and C8.
Which artery is a branch of the second part of the axillary artery?
Lateral thoracic artery
What is the lateral boundary of the cubital fossa?
Brachioradialis muscle
What passes through the quadrangular space?
Posterior circumflex humeral artery
Which nerve is affected in 'Winging of the scapula'?
Long Thoracic Nerve
Which muscle is not a rotator cuff muscle?
Teres Major muscle
What is the most commonly fractured carpal bone?
Scaphoid bone
What veins come together to form the axillary vein?
Basilic Vein and Brachial Vein
What is the origin of the musculocutaneous nerve?
Lateral cord
Which artery is a branch of the second part of the axillary artery?
Lateral thoracic artery
What is the continuation of the basilic vein?
Axillary vein
Which muscle does not attach to the coracoid process of the scapula?
Long head of the biceps
What is the lateral boundary of the cubital fossa?
Brachioradialis muscle
What nerve is affected in 'Winging of the scapula'?
Long Thoracic Nerve
What is the most commonly fractured carpal bone?
Scaphoid
Which veins come together to form the axillary vein?
Basilic Vein and Brachial Vein
What nerve is compressed in Pronator Teres Syndrome?
Median Nerve
Which muscle is supplied by the radial nerve?
Brachioradialis
What is the nerve supply to the Flexor Digitorum Superficialis?
Median Nerve
Where does the Extensor Pollicus Longus travel through?
3rd extensor tunnel
Which muscle is a medial rotator of the shoulder?
Teres Major
What is the most often injured muscle of the rotator cuff?
Supraspinatus
What travels through the quadrangular space?
Axillary Nerve
Damage to which nerve causes winged scapula?
Long Thoracic Nerve
The musculocutaneous nerve is a branch of which cord?
Lateral cord
Which vein is a continuation of the basilic vein?
Axillary vein
Which muscle has an insertion on the coracoid process of the scapula?
All of the above
Which artery divides the quadrangular space from the triangular space?
Long head of the triceps brachii muscle
Which nerve innervates the latissimus dorsi muscle?
Thoracodorsal nerve
What is the lateral boundary of the cubital fossa?
Brachioradialis muscle
Which nerve is affected in 'Winging of the scapula'?
Long thoracic nerve
What passes through the quadrangular space?
Posterior circumflex humeral artery
Which nerve is medial to the ulnar artery at the wrist?
Ulnar Nerve
What is the primary function of the Lumbricals?
Flexes MP joint, Extends IP joint
Which muscle is responsible for medial rotation of the 1st metacarpal bone?
Opponens Pollicis
What is the name of the tunnel through which the Extensor Pollicus Longus travels?
3rd extensor tunnel
Which nerve innervates the Deltoid muscle?
Axillary Nerve
Which muscle is a medial rotator of the shoulder joint?
Teres Major
What passes under the transverse scapular ligament?
Suprascapular nerve
What is the nerve supply to the Brachioradialis muscle?
Radial Nerve
Study Notes
Nerve Origins
- Radial nerve originates from the posterior cord
- Ulnar nerve originates from the medial cord
- Musculocutaneous nerve originates from the lateral cord
- Median nerve originates from both medial and lateral cords
Arteries and Veins
- Lateral thoracic artery is a branch of the second part of the axillary artery
- Axillary vein is a continuation of the basilic vein
- Brachial artery is accompanied by the median nerve
Muscle Innervation
- Latissimus dorsi muscle is innervated by a nerve that originates from the roots of C6, C7, and C8
- Long head of the biceps does not attach to the coracoid process of the scapula
- Musculocutaneous nerve is a terminal branch of the lateral cord
Arm and Forearm Anatomy
- Cephalic vein is located laterally and the basilic vein is located medially in the arm
- Radial nerve travels anterior to the lateral epicondyle of the humerus
- Brachioradialis muscle is the lateral boundary of the cubital fossa
Cubital Fossa
- Ulnar nerve is not a content of the cubital fossa
- Tendon of Triceps Brachii is not found in the cubital fossa
Shoulder and Scapula
- Long Thoracic Nerve is affected in "Winging of the scapula"
- Teres Major is not a rotator cuff muscle
- Posterior circumflex humeral artery passes through the quadrangular space
- Long Head of the Triceps Brachii Muscle divides the quadrangular space from the triangular space
Forearm and Hand
- Scaphoid is the most commonly fractured carpal bone
- Median Nerve is compressed in Pronator Teres Syndrome
- Palmaris Longus is not present in everyone
- Ulnar Nerve is affected in Guyon Tunnel/Canal Syndrome
- Flexor Digitorum Profundus is supplied by both Median and Ulnar Nerves
- Cutaneous Branches of the Ulnar Nerves do not pass under the flexor retinaculum
- Extensor retinaculum holds the extensor forearm tendons in place
- Opponens Pollicis performs medial rotation of 1st MC
- Lumbricals flex the MP joint and extend the IP joint
Nerve Origins
- Radial nerve originates from the posterior cord
- Ulnar nerve originates from the medial cord
- Musculocutaneous nerve originates from the lateral cord
- Median nerve originates from both medial and lateral cords
Arteries and Veins
- Lateral thoracic artery is a branch of the second part of the axillary artery
- Axillary vein is a continuation of the basilic vein
- Brachial artery is accompanied by the median nerve
Muscle Innervation
- Latissimus dorsi muscle is innervated by a nerve that originates from the roots of C6, C7, and C8
- Long head of the biceps does not attach to the coracoid process of the scapula
- Musculocutaneous nerve is a terminal branch of the lateral cord
Arm and Forearm Anatomy
- Cephalic vein is located laterally and the basilic vein is located medially in the arm
- Radial nerve travels anterior to the lateral epicondyle of the humerus
- Brachioradialis muscle is the lateral boundary of the cubital fossa
Cubital Fossa
- Ulnar nerve is not a content of the cubital fossa
- Tendon of Triceps Brachii is not found in the cubital fossa
Shoulder and Scapula
- Long Thoracic Nerve is affected in "Winging of the scapula"
- Teres Major is not a rotator cuff muscle
- Posterior circumflex humeral artery passes through the quadrangular space
- Long Head of the Triceps Brachii Muscle divides the quadrangular space from the triangular space
Forearm and Hand
- Scaphoid is the most commonly fractured carpal bone
- Median Nerve is compressed in Pronator Teres Syndrome
- Palmaris Longus is not present in everyone
- Ulnar Nerve is affected in Guyon Tunnel/Canal Syndrome
- Flexor Digitorum Profundus is supplied by both Median and Ulnar Nerves
- Cutaneous Branches of the Ulnar Nerves do not pass under the flexor retinaculum
- Extensor retinaculum holds the extensor forearm tendons in place
- Opponens Pollicis performs medial rotation of 1st MC
- Lumbricals flex the MP joint and extend the IP joint
Nerve Origins
- Radial nerve originates from the posterior cord
- Ulnar nerve originates from the medial cord
- Musculocutaneous nerve originates from the lateral cord
- Median nerve originates from both medial and lateral cords
Arteries and Veins
- Lateral thoracic artery is a branch of the second part of the axillary artery
- Axillary vein is a continuation of the basilic vein
- Brachial artery is accompanied by the median nerve
Muscle Innervation
- Latissimus dorsi muscle is innervated by a nerve that originates from the roots of C6, C7, and C8
- Long head of the biceps does not attach to the coracoid process of the scapula
- Musculocutaneous nerve is a terminal branch of the lateral cord
Arm and Forearm Anatomy
- Cephalic vein is located laterally and the basilic vein is located medially in the arm
- Radial nerve travels anterior to the lateral epicondyle of the humerus
- Brachioradialis muscle is the lateral boundary of the cubital fossa
Cubital Fossa
- Ulnar nerve is not a content of the cubital fossa
- Tendon of Triceps Brachii is not found in the cubital fossa
Shoulder and Scapula
- Long Thoracic Nerve is affected in "Winging of the scapula"
- Teres Major is not a rotator cuff muscle
- Posterior circumflex humeral artery passes through the quadrangular space
- Long Head of the Triceps Brachii Muscle divides the quadrangular space from the triangular space
Forearm and Hand
- Scaphoid is the most commonly fractured carpal bone
- Median Nerve is compressed in Pronator Teres Syndrome
- Palmaris Longus is not present in everyone
- Ulnar Nerve is affected in Guyon Tunnel/Canal Syndrome
- Flexor Digitorum Profundus is supplied by both Median and Ulnar Nerves
- Cutaneous Branches of the Ulnar Nerves do not pass under the flexor retinaculum
- Extensor retinaculum holds the extensor forearm tendons in place
- Opponens Pollicis performs medial rotation of 1st MC
- Lumbricals flex the MP joint and extend the IP joint
This quiz question is about the origin of the radial nerve in the human body. It's a great question for students of anatomy or those interested in learning about the nervous system.
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