Forelimb Muscle Groups - Small Animal

Question 0

Name the two groups of extrinsic muscles.



Answer 0

those that attach to scapula (ROTS) and those that attach to humerus (BLPP)



Question 1

Name the 8 extrinsic muscles.


Answer 1

rhomboideus, omotransversarius, trapezius, serratus ventralis, brachiocephalicus, latissimus dorsi, superficial pectoral, deep pectoral



Question 2

Name the 4 extrinsic muscles which attach to the scapula.


Answer 2

rhomboideus, omotransversarius, trapezius, serratus ventralis



Question 3

Name the 4 extrinsic muscles which attach to the humerus.


Answer 3

brachiocephalicus, latissimus dorsi, superficial pectoral, deep pectoral


Question 4

Name the 6 groups of intrinsic muscles.



Answer 4

lateral shoulder, medial shoulder, cranial brachium, caudal brachium, craniolateral antebrachium, caudomedial antibrachium



Question 5

Name the 4 intrinsic muscles of the lateral shoulder muscle group.



Answer 5

supraspinatus, deltoideus, infraspinatus, teres minor


Question 6

What is/are the action(s) of the lateral shoulder muscles?

Answer 6

lateral stabilization of shoulder jt.
flex shoulder jt.
extend shoulder

Question 7

Name the 3 intrinsic muscles of the medial shoulder muscle group. (Only have to know 2)



Answer 7

subscapularis, teres major, coracobrachialis


Question 8

What is/are the action(s) of the medial shoulder muscles?

Answer 8

Medial stabilization of shoulder jt.
flex shoulder jt.
adduct limb

Question 9

Name the 2 intrinsic muscles of the cranial brachium muscle group.


Answer 9

biceps brachii, brachialis


Question 10

What is/are the action(s) of the cranial brachium muscles?

Answer 10

flex elbow jt.

extend shoulder jt.

Question 11

Name the 3 intrinsic muscles of the caudal brachium muscle group. (Only have to know 2)


Answer 11

tensor fasciae antebrachii, triceps brachii, anconeus


Question 12

What is/are the action(s) of the caudal brachium muscles?

Answer 12

extend elbow jt.

Question 13

Name the 7 intrinsic muscles of the craniolateral antebrachial muscle group. (Only have to know 6)



Answer 13

extensor carpi radialis, common digital extensor, lateral digital extensor, ulnaris lateralis, supinator, abductor pollicis longus / extensor carpi obliquus, brachioradialis


Question 14

What is/are the action(s) of the craniolateral antebrachial muscles?

Answer 14

extend carpal and digital jts.
flex carpal jts.
abduct manus

Question 15

Name the 6 intrinsic muscles of the caudomedial antebrachial muscle group.


Answer 15

pronator teres, pronator quadratus, flexor carpi radialis, flexor carpi ulnaris, superficial digital flexor, deep digital flexor



Question 16

What is/are the action(s) of the caudomedial antebrachial muscles?

Answer 16

flex carpal and digital jts.