Muscles IV: Muscles of the Forelimb

Question 1

What movement are the quadriceps responsible for?

Answer 1

Knee extender

Hip flexor

Question 2

What movement are the triceps responsible for?

Answer 2

Extension at the elbow

Question 3

What movement are the palmar flexor responsible for?

Answer 3

Flexion of digits in forelimb

Question 4

What movement are the gluteals responsible for?

Answer 4

Extension of hip

Question 5

What movement are the latissimus responsible for?

Answer 5

Retracts forelimb

Question 6

What movement are the Supraspinatus responsible for?

Answer 6

Shoulder extension

Question 7

What movement are the pectoras responsible for?

Answer 7

Adduct the shoulder

Question 8

Extrinsic musculature –

Answer 8

These muscles connect the limb to the trunk

Question 9

Name the medial muscles of the Extrinsic musculature

Answer 9

ventral serrate

rhomboid

deep pectoral

superficial pectoral

Question 10

Name the lateral muscles of the Extrinsic musculature

Answer 10

omotransverse

trapezius

latissimus dorsi

brachiocephalicus

Question 11

Name the shoulder stabiliser muscles

Answer 11

subscapularis

supraspinatus

teres minor

infraspinatus

Question 12

Name the shoulder flexor muscles

Answer 12

teres major

deltoid

Question 13

Name the elbowflexor muscles

Answer 13

-biceps brachii

brachialis

Question 14

Name the elbow extensor muscles

Answer 14

tensor fasciae antebrachii
triceps,  medial head
triceps, long head
triceps, accessory head
triceps, lateral head
anconeus

Question 15

Name thee muscles that are Extensors of the

carpus & digits

Answer 15

extensor carpi radialis
abductor pollicis longus 
common digital extensor 
lateral digital extensor 
ulnaris lateralis

Question 16

Name thee muscles that are flexors of the

carpus & digits

Answer 16

flexor carpi radialis
superficial digital flexor
deep digital flexor
flexor carpi ulnaris

Question 17

Describe the blood supply in the forelimb

Answer 17

Axillary artery to Brachial artery to Median artery to Radial artery to Palmar digital artery

Question 18

Radial nerve,

Answer 18

C7-T2, motor to extensors of elbow, carpus and digits, sensory to skin on dorsal and lateral forearm and dorsal paw

Question 19

Suprascapular nerve,

Answer 19

C6-7, motor to supra and infraspinatus (shoulder stabilisers)

Question 20

Axillary nerve,

Answer 20

C6-8, motor to Teres major and minor, deltoid and subscapularis (shoulder flexors), sensory to skin over dorsal brachium

Question 21

Musculocutaneous nerve,

Answer 21

C7, motor to elbow flexors, sensory to skin on medial forearm

Question 22

Median and ulnar nerves,

Answer 22

C8-T2, motor to flexors of carpus and digit, sensory to skin and pads of paw