T2 L5: Anatomy of the forearm (CH)

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60 Questions

Which artery is located under the flexor carpi ulnaris?

Ulnar artery

Which nerve passes through the carpal tunnel?

Median nerve

Which nerve supplies the anterior compartment muscles of the forearm (except FCU and medial part of FDP)?

Median nerve

Which nerve supplies the medial side of the hand (palmar and dorsal surface) including the medial 1 ½ digits (½ d4 + d5)?

Ulnar nerve

Which nerve enters the forearm on the lateral side under the brachioradialis?

Radial nerve

Which branch of the radial nerve supplies the dorsolateral aspect of the hand including the lateral 3 ½ digits?

Superficial branch

Which nerve supplies the posterior compartment muscles of the forearm?

Radial nerve

Which nerve is responsible for wrist drop?

Radial nerve

Which nerve is compressed in carpal tunnel syndrome?

Median nerve

Which nerve passes through the cubital tunnel?

Ulnar nerve

Which compartment of the forearm mainly consists of flexor muscles?

Anterior compartment

Which muscle is responsible for pronation of the forearm?

Pronator teres

Which muscle is NOT part of the superficial layer of the anterior compartment?

Flexor digitorum superficialis

Which muscle is responsible for extension of the thumb?

Extensor pollicis longus

What is the clinical term for inflammation of the tendons at the common flexor origin?

Medial epicondylitis

Which muscle is responsible for flexion of the wrist?

Flexor carpi radialis

Which muscle is part of the deep layer of the posterior compartment?

Extensor digiti minimi

Which muscle is responsible for abduction of the thumb?

Abductor pollicis longus

What is the term for the tunnel in the wrist that allows passage of flexor tendons and the median nerve?

Flexor retinaculum

What is the arterial supply to the cubital fossa?

Brachial artery

Which compartment of the forearm contains the deep and superficial flexor muscles?

Anterior/Flexor compartment

Which joint allows for flexion and extension of the forearm?

Synovial hinge joint (elbow joint)

Which ligament is responsible for stabilizing the proximal radioulnar joint?

Annular ligament

Which part of the ulna articulates with the trochlea of the humerus?

Trochlear notch of the ulna

Which part of the radius articulates with the capitulum of the humerus?

Head of radius

Which joint allows for supination and pronation of the forearm?

Synovial pivot joint (proximal radioulnar joint)

Which ligament is responsible for stabilizing the elbow joint on the lateral side?

Radial collateral ligament

Which ligament is responsible for stabilizing the elbow joint on the medial side?

Ulnar collateral ligament

Which ligament encircles the head of the radius, holding it in place?

Annular ligament

Which compartment of the forearm contains the extensor muscles?

Posterior/Extensor compartment

What is the main focus of the discussion in the text?

The anatomy of the forearm

Which bone is on the right side of the forearm in the anatomical position?

Radius

What is the bony landmark where the biceps muscle inserts?

Radial tuberosity

Which bone in the forearm has a distinctive round shape at its proximal end?

Radius

Which bone is longer, the radius or the ulna?

The ulna

What is the bony point of the elbow called?

The trochlea

Where does the brachialis muscle insert?

The olecranon process

Which joint allows for pronation and supination of the forearm?

The true elbow joint

Which ligament surrounds the head of the radius and anchors it to the ulna?

Annular ligament

Which ligament stabilizes the lateral side of the elbow joint?

Radial collateral ligament

Which ligament stabilizes the medial side of the elbow joint?

Ulnar collateral ligament

Which compartment of the forearm contains the flexor muscles of the wrist and fingers?

Anterior compartment

Which muscle is responsible for extension of the baby finger?

Extensor Digital M.E.

Which muscle inserts onto the second metacarpal?

Extensor Cut by Radial Longus

Which muscle is associated with tennis elbow?

Extensor Coffee All in Ours

Which muscle comes from a ridge just above the lateral condyle of the humerus?

Extensor Cut by Radial Longus

Which muscle is responsible for flexion of the fingers in the anterior compartment of the forearm?

Flexor digitalis superficialis

What is the term for inflammation of the tendons at the common flexor origin?

Medial epicondylitis

Which muscle in the anterior compartment of the forearm originates from the ulna and splits into four tendons that go to each finger?

Flexor digitorum profundus

Which muscle in the posterior compartment of the forearm is responsible for pronation?

Pronator quadratus

Which muscle is responsible for flexion of the wrist?

Flexor carpi radialis

Which muscle is responsible for pronation of the forearm?

Pronator teres

Which ligament is responsible for stabilizing the elbow joint on the medial side?

Ulnar collateral ligament

Which nerve supplies the medial side of the hand (palmar and dorsal surface) including the medial 1 ½ digits (½ d4 + d5)?

Ulnar nerve

Which muscle is responsible for flexion of the elbow in a mid pronated and supinated position?

Super Conjola Ridge

Which muscle is a stabilizing muscle for the elbow?

Corneas

Which bone does the Super Conjola Ridge muscle insert onto?

Radius

What happens when the Super Conjola Ridge muscle contracts?

It moves the elbow

What is the function of the Corneas muscle?

Stabilization of the elbow

What is the role of the Super Conjola Ridge muscle in drinking?

It helps with elbow flexion

Test your knowledge of the anatomy of the forearm with this quiz! Learn about the flexor and extensor muscles, as well as the arteries and nerves in the forearm and hand. Perfect for medical students and anatomy enthusiasts.

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