Shoulder/ Forelimb

Question 1

Serratus Ventralis

Cervicis & Thoracis

Answer 1

O- TP's of C4-7 (Cervicis)
     First 8-9 ribs (Thoracis)
I- Scapular cartilage & fascia serrata of scapular
In- Ventral br. of cervical n (Cervicis)
     Long thoracic n (Thoracis)
F- Suspend trunk
    Raise neck (FL fixed)

Question 2

Supraspinatus

Answer 2

O- Supraspinatus fossa & scapular spine
I- Greater and lesser tubercles of humerus
In- Suprascapular n
F- Extends and stabilises shoulder

Question 3

Infraspinatus

Answer 3

O- Infraspinatus fossa & scapular spine
I- Greater tubercle of humerus
In- suprascapular n
F- Flexes & Extends & stabilises shoulder
    Acts as collateral lig

Question 4

Subclavius

Answer 4

O- Sternum & costal cartilages 1-4
I- Blends with supraspinatus & shoulder fascia
In- Cranial pectoral n
F- Suspends trunk
    Stabilises shoulder

Question 5

Triceps Brachii

Long/ Medial/ Lateral

Answer 5

O- Caudal surface of the scapular (Long)
     Medial surface of humerus (medial)
     Deltoid tuberosity, humerus (Lateral)
I- Olecranon
In- Radial n
F- Extends elbow (all)
    Flex shoulder (Long)

Question 6

Anconeus

Answer 6

O- Border of Olecranon fossa
I- Lateral surface of Olecranon
In- Radial n
F- Extend Elbow

Question 7

Tensor fascia antibrachii

Answer 7

O- Caudal border of scapular
     Insertion tendon of latissimus dorsi
I- Deep forearm fascia, Olecranon
In- Radial n
F- Tenses forearm fascia
    Extends elbow

Question 8

Subscapularis

Answer 8

O- Subscapular fossa of scapular
I- Lesser tuberosity of humerus
In- Subscapular and Axillary n
F- Extends shoulder

Question 9

Biceps Brachii

Answer 9

O- Supraglenoid tubercle
I- Radial tuberosity
   Medial collateral lig
In- Musculotendinous n
F- Extend carpus & shoulder
    Flex elbow
    Stabilise carpus (stay apparatus)

Question 10

Coracobrachialis

Answer 10

O- Coracoid proc of Scapular
I- Proximedial surface of humerus
In- Musculocutaneous n
F- Extend shoulder
    Adduct limb

Question 11

Brachialis

Answer 11

O- Proximocaudal surface of humerus
I- Proximomedial surface of radius
In- Musculocutaneous n
F- Flex elbow

Question 12

Deltoid

Answer 12

O- scapular spine
     Caudal border of scapular
I- Deltoid tuberosity
In- Axillary n
F- Flexes shoulder