myology of forearm

Question 1

aconeous o

Answer 1

lateral epicondyle of the humerus/ olecranon process and proximal posterior surface of ulna

Question 2

pronator teres:

Answer 2

medial epicondyle and adjacent supraepicondylar ridge ie site of common flexor tendon/ medial side of coronoid process: rougening on lateral surface, midshaft of the radius

Question 3

flexor carpi radialis o

Answer 3

medial epicondyle of humerus from medial epicondyle of hymerus/ base of 2nd and 3rd metacarpal

Question 4

flexor carpi ulnaris humoral head-

Answer 4

medial epicondyle of humerus, olecranon and posterior proximal 2/3 of ulna: pipform bone, and then via pisohamate and pisometacarpal ligaments into the hook of hamate and base of 5th metacarpal bone

Question 5

plamaris longus o

Answer 5

medial epicondyle of humerus/ palmar aponeurosis of hand, flexor retinaculum

Question 6

flexor digitorum superficialis humero-ulnar head o

Answer 6

medial epicondyle of humerus, adjacent margin of coronoid process and interosseous membrane/ oblique line of radius: four tendons, which attach to the palmar surfaces of the middle phalanges of the index, middle ring and little fingers

Question 7

flexor digitorum profundus o

Answer 7

anterior and medial surfaces of the proximal 3.4 of ulna and anterior medial half of interosseous membrane: four tendons, which attach to the palmar surfaces of the distal phalanges of digits 2-5

Question 8

flexor pollicis longus o

Answer 8

anterior surface of radius and radial half of interosseous membrane: palmar surface of base of distal phalanx of thumb

Question 9

pronator quadratus o

Answer 9

linear ridge on distal anterior, medial surface of ulna: distal anterior, lateral surface of radial

Question 10

brachioradialis o

Answer 10

proximal 2/3 of lateral supracondylar ridge of umerus and adjacent entermuscular septum: styloid process of radius

Question 11

extensor carpe radialus longus:

Answer 11

distal !/3 part of lateral supraconylar ridge of humerus and adjacent intermuscular septum: dorsal surface of the base of 2nd metacarpal

Question 12

extensor carpi radialis brevis:

Answer 12

lateral epicondyle of humerus and adjacent itntermuscular septum: dorsal surface of base of 3rd metacarpal

Question 13

extensor carpi ulnaris

Answer 13

lateral epiconyle of humerus and posterior border of ulna; part of common extensor tendon; tubercle on the base of the medial side of the 5th metacarpal

Question 14

extensor digitorum

Answer 14

lateral epicondyle of humerus and adjancent intermuscular septum and deep fascia: four tendons, which insert via extensor hood into the dorsal aspect of the bases of the middle and distal phlanges of digits 2-5

Question 15

extensor indicis proprius

Answer 15

posterior surface of distal shaft of ulna and adjacent inerosseous membrane; extensor hood fo index finger