Clinical Anatomy Week 5. Palpate common flexor tendon. Palpate pronator teres. Identify flexor carpi radialis. Palpate tendon of palmaris longus.

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1 Clinical Anatomy Week 5 Palpate common flexor tendon. Palpate pronator teres. Identify flexor carpi radialis. Palpate tendon of palmaris longus. Identify flexor carpi ulnaris. Locate tendons of flexor carpi radialis. Locate tendons of palmaris longus. Locate tendons of flexor carpi ulnaris. Practice Multiple Choice Questions for Week 5 Day 1 1. Most flexors originate from which structure? a. Common extensor tendon b. Common flexor tendon c. Lateral epicondyle of humerus d. Olecranon of ulna 2. Which muscle is not a superficial flexor? a. Palmaris longus b. Flexor carpi ulnaris c. Pronator teres d. Flexor pollicis longus 3. Pronator quadratus is an example of a a. Superficial flexor b. Middle flexor c. Deep flexor 4. Which is false about pronator teres? a. It can be found on the posterior forearm. b. Its muscle fibers run obliquely. c. It is antagonistic to the supinator. d. None are false; all of the above are true. 5. Which two are correct actions of pronator teres? a. Pronation and supination b. Pronation and flexion c. Pronation and extension d. Pronation and radial deviation

2 6. Flexor carpi radialis is innervated by which nerve? a. Median b. Ulnar c. A and B 7. Which is true regarding palmaris longus? a. It is attached to the flexor retinaculum b. It is found on all humans c. It runs between extensor carpi radialis and extensor carpi ulnaris d. It flexes the hand at the wrist 8. What is the Tunnel of Guyon? a. It is the same as the carpal tunnel b. It is another word to describe the palmar aponeurosis c. It is the space between pisiform and hook of hamate d. It is a structure innervated by the radial nerve 9. Which is false about flexor digitorum superficialis? a. It has four tendons. b. Its tendons pass through the carpal tunnel. c. It attaches to the phalanges. d. None are false; all of the above are true. 10. Describe the innervation of the flexor digitorum profundus. a. It is entirely innervated by the ulnar nerve. b. It is entirely innervated by the median nerve. c. The ulnar nerve supplies the medial half (4th and 5th); the median nerve supplies the lateral half (2nd and 3rd) d. The median nerve supplies the medial half (4th and 5th); the lateral nerve supplies the lateral half (2nd and 3rd) Practice Multiple Choice Questions for Week 5 Day 2 1. The flexor pollicis longus is responsible for which action? a. Thumb extension b. Thumb flexion c. Thumb adduction d. Thumb abduction 2. How does the pronator quadratus differ from the pronator teres? a. Pronator teres is stronger, faster, and more powerful than pronator quadratus b. Pronator teres is shaped like a short rectangle, while pronator quadratus is a long fusiform muscle c. Pronator quadratus, despite its name, does not pronate d. Pronator quadratus is a very superficial forearm muscle

3 3. Which material will lubricate adjacent surfaces of the membrane in the sheaths? a. Serous fluid b. Synovial gel c. Bursae d. Synovial fluid 4. What will happen to a patient with tenosynovitis? a. Their synovial fluid becomes increasingly acidic, and it will no longer protect from friction b. The sheaths that surround their tendons will be inflamed c. The patient may experience joint pain, pressure, swelling, and stiffness d. Two of the above 5. Which is correctly matched? a. Flexor digitorum superficialis, ulnar bursa b. Flexor digitorum profundus, ulnar bursa c. Flexor pollicis longus, radial bursa d. All of the above 6. Which nerve innervates the extensor carpi radialis longus? a. Median nerve b. Ulnar nerve c. Radial nerve 7. Where does the extensor carpi radialis brevis originate? a. Lateral epicondyle of the humerus b. Radial groove of the humerus c. Medial epicondyle of the humerus 8. Which structure holds the tendons of extensor carpi radialis longus in place? a. Flexor retinaculum b. Extensor retinaculum c. Palmar aponeurosis d. Carpal tunnel 9. Which nerve is compressed in those with carpal tunnel syndrome? a. Ulnar nerve b. Radial nerve c. Median nerve 10. Which muscles synergize to abduct the hand? Select a, b, c, or d. a. i and ii i. Extensor carpi radialis longus b. i and iii ii. Extensor carpi radialis brevis c. ii and iii iii. Flexor carpi radialis d. i, ii, and ii

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