Upper Limb: Forearm Muscle attachments

Question 1

Name the two heads of pronator teres

Answer 1

Humeral head (medial epicondyle )
Ulnar head (coronoid process)

Question 2

Name the proximal and distal attachment for pronator teres

Answer 2

Proximal - Coronoid process

Distal - middle of convexity of lateral surface of radius

Question 3

Name the proximal and distal attachment for flexor carpi radialis

Answer 3

Proximal - Medial epicondyle of humerus (common flexor origin)
Distal - Base of second metacarpal

Question 4

Name the proximal and distal attachment for palmaris longus

Answer 4

Proximal - Medial epicondyle of humerus

Distal - Flexor retinaculum and apex of palmar apeneurosis

Question 5

Name the proximal and distal attachment for flexor carpi ulnaris

Answer 5

Proximal - medial epicondyle of humerus (for humerus head) and Olecranon (for ulnar head)
Distal - Pisiform

Question 6

Name the two heads of flexor carpi ulnaris

Answer 6

Ulnar and humeral

Question 7

Name the proximal and distal attachment for flexor digitorum superficialis

Answer 7

Proximal - Two attachments, Humero-ulnar head to medial epicondyle and radial head to superior half of the anterior boarder of radius
Distal - Shafts of middle phalanges of medial four digits

Question 8

Name the proximal and distal attachment for the medial and lateral part of flexor digitorum profundus

Answer 8

Proximal - upper 3/4s of ulna and interosseous membrane

Distal - Medial part to the base of distal phalanges 4 and 5. Lateral part to base of distal phalanges 2 and 3

Question 9

Name the proximal and distal attachment for flexor policis longus

Answer 9

Proximal - Anterior surface of radius and IO membrane

Distal - Base of distal phalanx of thumb

Question 10

Name the proximal and distal attachment for pronator quadratus

Answer 10

Proximal - Distal quarter of ulna and IO membrane

Distal - Distal quarter of radius (all anteror surfaces)

Question 11

Name the proximal and distal attachment for Brachioradialis

Answer 11

Proximal - Lateral Suprachondylar ridge

Distal - Radial styloid process

Question 12

Name the proximal and distal attachment for extensor carpi radialis longus

Answer 12

Proximal - Lateral supracondylar ridge

Distal - Second Metacarpal bone

Question 13

Name the proximal and distal attachment for extensor carpi radalis brevis

Answer 13

Proximal - Lateral epicondyle of humerus (common extensor origin)
Distal - 3rd metacarpal

Question 14

Name the proximal and distal attachment for extensor digitorum

Answer 14

Proximal - Lateral epicondyle of humerus

Distal - Extensor hood for medial 4 digits

Question 15

Name the proximal and distal attachment for extensor digiti minimi

Answer 15

Proximal - Lateral epicondyle of humerus

Distal - Extensor expansion of 5th digit

Question 16

Name the proximal and distal attachment for extensor carpi unlaris

Answer 16

Proximal - Lateral epicondyle of humerus

Distal - 5th metacarpal

Question 17

Name the proximal and distal attachment for supinator

Answer 17

Proximal - Lateral epicondyle of humerus and radial collateral ligament and annular ligament
Distal - Proximal third of radius

Question 18

Name the proximal and distal attachment for Extensor indicis

Answer 18

Proximal - Distal third of ulna

Distal - Extenser expansion of 2nd digit