muscles of the radioulnar joints

Question 1

M. brachioradialis origin?

Answer 1

Crista supracondylaris lateralis, immediately proximal to the origin of the M.
extensor carpi radialis.

Question 2

M. brachioradialis Insertion?

Answer 2

Medio-distal margin of the radius.

Question 3

M. brachioradialis Function?

Answer 3

Supination of the antebrachium and Manus.

Question 4

M. supinator origin?

Answer 4

Lateral epicondyle of the humerus and lateral collateral ligament of the elbow.
In 25-30 % of dogs, a small sesamoid bone is present in the tendon of origin.

Question 5

M. supinator Insertion?

Answer 5

Cranial surface of the proximal radius.

Question 6

M. supinator Function?

Answer 6

Supination of the antebrachium and Manus

Question 7

M. pronator teres origin?

Answer 7

Medial epicondyle of the humerus.

Question 8

M. pronator teres Insertion?

Answer 8

Cranio-medial margin of the proximal radius.

Question 9

M. pronator teres Function?

Answer 9

Pronation of the antebrachium and Manus

Question 10

M. pronator quadratus origin?

Answer 10

Medial margin of the ulna.

Question 11

M. pronator quadratus Insertion?

Answer 11

Caudal surface of the radius.

Question 12

M. pronator quadratus Function?

Answer 12

Pronation of the antebrachium and Manus.

Question 13

were the m.pronator quadratus lies?

Answer 13

the medial aspect of Spatium interosseum antebrachii