T2 L5: Anatomy of the forearm (CH)

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Questions and Answers

Which artery is located under the flexor carpi ulnaris?

  • Brachial artery
  • Common interosseous artery
  • Ulnar artery (correct)
  • Radial artery

Which nerve passes through the carpal tunnel?

  • Musculocutaneous nerve
  • Radial nerve
  • Median nerve (correct)
  • Ulnar nerve

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

  • Median nerve (correct)
  • Radial nerve
  • Ulnar nerve
  • Musculocutaneous nerve

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

<p>Ulnar nerve (D)</p> Signup and view all the answers

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

<p>Radial nerve (A)</p> Signup and view all the answers

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

<p>Superficial branch (C)</p> Signup and view all the answers

Which nerve supplies the posterior compartment muscles of the forearm?

<p>Radial nerve (B)</p> Signup and view all the answers

Which nerve is responsible for wrist drop?

<p>Radial nerve (C)</p> Signup and view all the answers

Which nerve is compressed in carpal tunnel syndrome?

<p>Median nerve (D)</p> Signup and view all the answers

Which nerve passes through the cubital tunnel?

<p>Ulnar nerve (D)</p> Signup and view all the answers

Which compartment of the forearm mainly consists of flexor muscles?

<p>Anterior compartment (C)</p> Signup and view all the answers

Which muscle is responsible for pronation of the forearm?

<p>Pronator teres (A)</p> Signup and view all the answers

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

<p>Flexor digitorum superficialis (D)</p> Signup and view all the answers

Which muscle is responsible for extension of the thumb?

<p>Extensor pollicis longus (C)</p> Signup and view all the answers

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

<p>Medial epicondylitis (A)</p> Signup and view all the answers

Which muscle is responsible for flexion of the wrist?

<p>Flexor carpi radialis (D)</p> Signup and view all the answers

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

<p>Extensor digiti minimi (D)</p> Signup and view all the answers

Which muscle is responsible for abduction of the thumb?

<p>Abductor pollicis longus (A)</p> Signup and view all the answers

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

<p>Flexor retinaculum (B)</p> Signup and view all the answers

What is the arterial supply to the cubital fossa?

<p>Brachial artery (B)</p> Signup and view all the answers

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

<p>Anterior/Flexor compartment (B)</p> Signup and view all the answers

Which joint allows for flexion and extension of the forearm?

<p>Synovial hinge joint (elbow joint) (A)</p> Signup and view all the answers

Which ligament is responsible for stabilizing the proximal radioulnar joint?

<p>Annular ligament (C)</p> Signup and view all the answers

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

<p>Trochlear notch of the ulna (A)</p> Signup and view all the answers

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

<p>Head of radius (A)</p> Signup and view all the answers

Which joint allows for supination and pronation of the forearm?

<p>Synovial pivot joint (proximal radioulnar joint) (A)</p> Signup and view all the answers

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

<p>Radial collateral ligament (D)</p> Signup and view all the answers

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

<p>Ulnar collateral ligament (B)</p> Signup and view all the answers

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

<p>Annular ligament (A)</p> Signup and view all the answers

Which compartment of the forearm contains the extensor muscles?

<p>Posterior/Extensor compartment (B)</p> Signup and view all the answers

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

<p>The anatomy of the forearm (C)</p> Signup and view all the answers

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

<p>Radius (A)</p> Signup and view all the answers

What is the bony landmark where the biceps muscle inserts?

<p>Radial tuberosity (D)</p> Signup and view all the answers

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

<p>Radius (A)</p> Signup and view all the answers

Which bone is longer, the radius or the ulna?

<p>The ulna (D)</p> Signup and view all the answers

What is the bony point of the elbow called?

<p>The trochlea (D)</p> Signup and view all the answers

Where does the brachialis muscle insert?

<p>The olecranon process (B)</p> Signup and view all the answers

Which joint allows for pronation and supination of the forearm?

<p>The true elbow joint (D)</p> Signup and view all the answers

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

<p>Annular ligament (A)</p> Signup and view all the answers

Which ligament stabilizes the lateral side of the elbow joint?

<p>Radial collateral ligament (C)</p> Signup and view all the answers

Which ligament stabilizes the medial side of the elbow joint?

<p>Ulnar collateral ligament (B)</p> Signup and view all the answers

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

<p>Anterior compartment (A)</p> Signup and view all the answers

Which muscle is responsible for extension of the baby finger?

<p>Extensor Digital M.E. (A)</p> Signup and view all the answers

Which muscle inserts onto the second metacarpal?

<p>Extensor Cut by Radial Longus (C)</p> Signup and view all the answers

Which muscle is associated with tennis elbow?

<p>Extensor Coffee All in Ours (B)</p> Signup and view all the answers

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

<p>Extensor Cut by Radial Longus (A)</p> Signup and view all the answers

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

<p>Flexor digitalis superficialis (A)</p> Signup and view all the answers

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

<p>Medial epicondylitis (D)</p> Signup and view all the answers

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

<p>Flexor digitorum profundus (C)</p> Signup and view all the answers

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

<p>Pronator quadratus (A)</p> Signup and view all the answers

Which muscle is responsible for flexion of the wrist?

<p>Flexor carpi radialis (B)</p> Signup and view all the answers

Which muscle is responsible for pronation of the forearm?

<p>Pronator teres (A)</p> Signup and view all the answers

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

<p>Ulnar collateral ligament (B)</p> Signup and view all the answers

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

<p>Ulnar nerve (D)</p> Signup and view all the answers

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

<p>Super Conjola Ridge (A)</p> Signup and view all the answers

Which muscle is a stabilizing muscle for the elbow?

<p>Corneas (D)</p> Signup and view all the answers

Which bone does the Super Conjola Ridge muscle insert onto?

<p>Radius (B)</p> Signup and view all the answers

What happens when the Super Conjola Ridge muscle contracts?

<p>It moves the elbow (D)</p> Signup and view all the answers

What is the function of the Corneas muscle?

<p>Stabilization of the elbow (C)</p> Signup and view all the answers

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

<p>It helps with elbow flexion (B)</p> Signup and view all the answers

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