TOPIC 3.2 - LARGE ANIMAL MYOLOGY

Question 1

The coracoid element of mammals has become fused to the scapula. True or False?

Answer 1

True

Question 2

This structure is either completely absent or is a small rudiment embedded in the brachiocephalic muscle.

Answer 2

Clavicle

Question 3

Because of clavicle being rudimentary, the forelimb are united to the trunk by ___. This union is classified as ___.

Answer 3

muscles, synsarcosis

Question 4

Give the 8 muscles under synsarcosis.

Answer 4

1. Serratus ventralis
2. Trapezius
3. Latissimus dorsi
4. Rhomboideus
5. Superficial pectoral
6. Deep pectoral
7. Omotranversarius
8. Brachiocephalic

Question 5

This is the only extensor muscle affecting the shoulder joint.

Answer 5

Brachiocephalicus

Question 5

What are the nerves that supply brachiocephalicus?

Answer 5

1. Axillary nerve
2. Accessory nerve
3. Cervical nerve

Question 6

What are the flexor muscles that affect the shoulder joint?

Answer 6

1. Deltoideus
2. Teres major
3. Teres minor

Question 7

What is the nerve supply of deltoideus?

Answer 7

Axillary nerve

Question 8

What is the nerve supply of teres major and minor?

Answer 8

Axillary nerve

Question 9

Apart from the three flexors, this muscles also help in the flexion of shoulder.

Answer 9

Latissimus dorsi

Question 10

This the nerve supply of latissimus dorsi.

Answer 10

Thoraco-dorsal nerve

Question 11

What are the fixer muscles that affect the shoulder joint?

Answer 11

1. Supraspinatus
2. Infraspinatus
3. Subscapularis

Question 12

The supraspinatus is inserted to ?

Answer 12

Both medial and lateral tuberosities of the humerus

Question 13

The infraspinatus is inserted to ?

Answer 13

Lateral tuberosity of the humerus

Question 14

The subscapularis is inserted to ?

Answer 14

Medial tuberosity of the humerus

Question 15

Supraspinatus and infraspinatus are supplied by what nerve?

Answer 15

Suprascapular nerve

Question 16

The subscapular is supplied by what nerve?

Answer 16

Subscapular nerve

Question 17

What are adductor muscles that affect the shoulder joint?

Answer 17

1. Superficial pectoral
2. Deep pectoral

Question 18

What are the nerve supplies of superficial and deep pectoral?

Answer 18

Pectoral nerve

Question 19

What are the elevators of shoulder?

Answer 19

1. Trapezius
2. Rhomboideus

Question 20

Trapezius is supplied by what nerve?

Answer 20

Accessory nerve

Question 21

Rhomboideus is supplied by what nerve/s?

Answer 21

1. 6th cervical nerve
2. 7th cervical nerve

Question 22

What are the flexor muscles that affect the elbow joint?

Answer 22

1. Brachialis
2. Biceps brachii
3. Coracobrachialis

Question 23

Biceps brachii and coracobrachialis are supplied by what nerve?

Answer 23

Musculo-cutaneous nerve

Question 24

Brachialis is supplied by what nerves?

Answer 24

1. Medial nerve 2. Radial nerve

Question 25

What are the extensor muscles that affect the elbow joint?

Answer 25

1. Triceps 2. Anconeus 3. Tensor fasciae antibrachii

Question 26

The extensor muscles of elbow joint are supplied by what nerve?

Answer 26

Radial nerve

Question 27

What are the adductor muscles that affect the hip joint?

Answer 27

1. Gracilis 2. Adductor femoris 3. Pectineus 4. External obturator

Question 28

This is the nerve supply of adductor muscles that affect the hip joint.

Answer 28

Obturator nerve

Question 29

What are the abductor muscles that affect the hip joint?

Answer 29

1. Superficial gluteal 2. Middle gluteal 3. Deep gluteal

Question 30

What is the nerve supply of gluteal muscles?

Answer 30

Gluteal nerve

Question 31

What are the flexor muscles that affect the hip joint?

Answer 31

1. Sartorius 2. Ilio-psoas 3. Quadriceps femoris 4. Tensor fasciae latae

Question 32

What are the muscles included in quadriceps femoris?

Answer 32

1. Medial vastus 2. Lateral vastus 3. Intermediate vastus 4. Rectus femoris

Question 33

What is the nerve supply of tensor fascia latae?

Answer 33

Cranial gluteal nerve

Question 34

Excluding tensor fascia latae, what is the nerve supply of other three flexor muscles affecting the hip joint?

Answer 34

Femoral nerve

Question 35

What are the extensor muscles that affect the hip joint?

Answer 35

1. Biceps femoris 2. Semitendinosus 3. Semimembranosus 4. Quadratus femoris 5. Internal obturator 6. Gemellus

Question 36

What is the nerve supply of extensor muscles that affect the hip joint?

Answer 36

Sciatic nerve

Question 37

What are the muscles attached to ischium?

Answer 37

- Adductor femoris - Bulbo-cavernous - External obturator - Internal obturator - Ischial cavernous - Ischial urethral - Retractor ani - Gracilis - Quadratus femoris - Semimembranosus - Semitendinosus

Question 38

The suspensory ligaments of the ____ and the ____ are also attached to the ischium.

Answer 38

penis, crurae of penis

Question 39

What are the extensor muscles affecting the tarsus and digit?

Answer 39

1. Extensor digitalis longus 2. Peroneus longus 3. Extensor digitalis bravis 4. Peroneus tertius 5. Anterior tibia

Question 40

What are the superficial flexors affecting the tarsus and digit?

Answer 40

1. Gastrocnemius 2. Plantaris

Question 41

What are the deep flexors affecting the tarsus and digit?

Answer 41

1. Flexor digitalis longus 2. Posterior tibial 3. Flexor hallucis longus

Question 42

What is the nerve supply of deep flexors that affect the tarsus and digit?

Answer 42

Tibial nerve

Question 43

Quadriceps femoris has ___ heads.

Answer 43

4

Question 44

What are the 4 heads of quadriceps femoris?

Answer 44

1. Vastus medialis 2. Vastus intermedius 3. Vastus lateralis 4. Rectus femoris

Question 45

This muscle is regarded as flexor of the hip.

Answer 45

Quadriceps femoris

Question 46

It is a small muscle at posterior side of hip joint and regarded as extensor of hip.

Answer 46

Quadratus femoris