Hand & Wrist

Question 1

Name the wrist flexors

Answer 1

• flexor carpi ulnaris
• flexor carpi radialis
• palmaris longus
• flexor digitorum superficilais
• flexor digitorum profundus
• flexor pollicis longus

Question 2

Flexor carpi ulnaris O & I

Answer 2

O - medial epicondyle of humerus, olecranon & posterior border of ulna

I - pisiform bone, hamate bone, base of 5th metacarpal

Question 3

Flexor carpi radialis O & I

Answer 3

O - medial epicondyle of humerus

I - base of 2nd & 3rd metacarpal

Question 4

Palmaris longus O & I

Answer 4

O - medial epicondyle of humerus

I - flexor retinaculum, palmaris aponeurosis

Question 5

Flexor digitorum superficilais O & I

Answer 5

O - humeroulnar head = medial epicondyle of humerus, coronoid process & radial head = proximal half of anterior boarder of radius

I - sides of middle phalanges (digits 2-5)

Question 6

Flexor digitorum profundus O & I

Answer 6

O - proximal half of anterior surface of ulnar

I - palmar surfaces of distal phalanges (digits 2-5)

Question 7

Flexor pollicis longus O & I

Answer 7

O - anterior surface of radius

I - palmar surface of distal phalanx of thumb

Question 8

Name the wrist extensors

Answer 8

• extensor carpi radialis longus
• extensor carpi radialis brevis
• extensor carpi ulnaris
• extensor digitorum
• extensor indicis
• extensor digiti minimi
• extensor pollicis longus
• extensor pollicis brevis

Question 9

Extensor carpi radialis longus O & I

Answer 9

O - lateral supracondylar ridge of humerus

I - posterior of base of 2nd metacarpal

Question 10

Extensor carpi radialis brevis O & I

Answer 10

O - lateral epicondyle of humerus

I - posterior of base of 3rd metacarpal

Question 11

Extensor carpi ulnaris O & I

Answer 11

O - lateral epicondyle of humerus & posterior border of ulna

I - base of 5th metacarpal

Question 12

Extensor digitorum O & I

Answer 12

O - lateral epicondyle of humerus

I - extensor expansions of digits 2-5

Question 13

Extensor indicis O & I

Answer 13

O - posterior of distal 3rd of ulna

I - extensor expansion of index finger

Question 14

Extensor digiti minimi O & I

Answer 14

O - lateral epicondyle of humerus

I - extensor expansion of digit 5 (little finger)

Question 15

Extensor pollicis longus O & I

Answer 15

O - posterior of middle 3rd of ulna

I - posterior base of distal phalanx of thumb

Question 16

Extensor pollicis brevis O & I

Answer 16

O - posterior of distal 3rd of radius

I - posterior base of proximal phalanx of thumb

Question 17

Name the wrist abductors

Answer 17

• flexor carpi radialis
• extensor carpi radialis longus
• extensor carpi radialis brevis

Question 18

Name the wrist adductors

Answer 18

• flexor carpi ulnaris
• extensor carpi ulnaris