Upper Extremity 3rd Part

Question 1

Origin of the Pronator Quadratus

Answer 1

Distal anterior surface of ulna

Question 2

Insertion of the Pronator Quadratus

Answer 2

Distal anterior surface of radius

Question 3

Origin of the Flexor pollicis longus

Answer 3

Anterior surface of radius + interosseous membrane

Question 4

Function of the Pronator Quadratus

Answer 4

Pronation of forearm at proximal radioulnar joint

Question 5

Insertion of the Flexor Pollicis Longus

Answer 5

Palmar surface of distal phalanx of digit 1 (thumb)

Question 6

Function of the Flexor Pollicis Longus

Answer 6

Flex. of distal phalanx of digit 1 at metacarpophalangeal and interphalangeal joint 1

Question 7

Origin of the Flexor Digitorum Profondus

Answer 7

Proximal half of anterior medial surfaces of ulna + interosseous membrane

Question 8

Insertion of the Flexor Digitorum Profondus

Answer 8

Base of palmar surfaces of distal phalanges of digit 2-5

Question 9

Function of the Flexor Digitorum Profondus

Answer 9

Flex. of middle and proximal phalanges of digit 2-5 at metacarpophalangeal and interephalangeal joints 2-5 + Flex. of hand at wrist joint

Question 10

Origin of the Flexor Digitorum Superficialis

Answer 10

Medial epicondyle of humerus + coronoid process of ulna + proximal half of anterior border of radius

Question 11

Insertion of the Flexor Digitorum Superficialis

Answer 11

Middle phalanges of digit 2-5

Question 12

Function of the Flexor Digitorum Superficialis

Answer 12

Flex. of middle and proximal phalanges of digits 2-5 at metacarpophalangeal joints 2-5 + flex. of hand at wrist joint

Question 13

Origin of the Flexor Carpi Radialis

Answer 13

Medial epicondyle of humerus

Question 14

Insertion of the Flexor Carpi Radialis

Answer 14

Base of metacarpals 2 and 3

Question 15

Function of the Flexor Carpi Radialis

Answer 15

Flex. + abduction of the hand at wrist joint + pronation of the forearm at the elbow joint

Question 16

Origin of the Flexor Carpi Ulnaris

Answer 16

Medial epicondyle of humerus and olecranon of ulna

Question 17

Insertion of the Flexor Carpi Ulnaris

Answer 17

Pisiform + hamate + base of metacarpal 5

Question 18

Function of the Flexor Carpi Ulnaris

Answer 18

Flex. + adduction of hand at wrist joint

Question 19

Origin of the Palmaris Longus

Answer 19

Medial epicondyle of humerus

Question 20

Insertion of the Palmaris Longus

Answer 20

Flexor retinaculum + palmar aponeurosis

Question 21

Function of the Palmaris Longus

Answer 21

Flex. of hand at wrist joint + tenses palmar aponeurosis

Question 22

Origin of the Pronator Teres

Answer 22

Medial epicondyle of humerus and coronoid process of ulna

Question 23

Insertion of the Pronator Teres

Answer 23

Lateral surface of radius

Question 24

Function of the Pronator Teres

Answer 24

Pronation of forearm at proximal radioulnar joint + flex. of forearm at elbow joint

Question 25

Origin of the Anconeus

Answer 25

Posterior part of lateral epicondyle of humerus

Question 26

Insertion of the Anconeus

Answer 26

Lateral olecranon of ulna + proximal dorsal surface of the body of ulna

Question 27

Function of the Anconeus

Answer 27

Ext. of forearm at elbow joint

Question 28

Origin of the Supinator

Answer 28

Lateral epicondyle of humerus + supinator crest of ulna + radial collateral lig. + annular lig.

Question 29

Insertion of the Supinator

Answer 29

Dorsal and lateral surface of the body of the radius

Question 30

Function of the Supinator

Answer 30

Supination of hand and forearm at proximal radioulnar joint