Muscles

Question 1

What muscle elevates the limb and draws it cranially, to rotate the scapula?

Answer 1

Trapezius

Question 2

What muscle elevates the limb, pulls the limb and shoulder cranially or caudally; to draw the scapula against the trunk?

Answer 2

Rhomboideus

Question 3

What muscle supports the trunk to carry the trunk cranially and caudally; inspiration; to carry the shoulder cranial and caudal with respect to the limb?

Answer 3

Serrated ventralis

Question 4

What muscle draws the trunk cranially and possibly laterally; extend the vertebral column; support the limb, draw the limb against the trunk, draw the free limb caudally during flexion of the shoulder. Decelerates cranial motion of the limb

Answer 4

Lattisumus dorsi

Question 5

What muscle decelerates cranial motion of the thoracic limb?

Answer 5

Lattissumus dorsi

Question 6

What muscle supports the limb, draws it medially, draws the limb cranially or caudally according to its position, and draws the trunk laterally?

Answer 6

Pectorals superficiales

Question 7

Which muscle during locomotion moves the trunk cranially over the advanced limb; extends the shoulder joint; draws the limb caudally?

Answer 7

Pectorals profundus

Question 8

What muscle extends the shoulder joint in advancement of the limb?

Answer 8

Supraspinatus

Question 9

What muscle is important to stabilize and prevent collapse of the shoulder joint?

Answer 9

Supraspinatus

Question 10

What muscle is the lateral rotator and abductor of the humerus and a flexor or extensor of the shoulder joint, depending on the position of the joint when it contracts?

Answer 10

Infraspinatus

Question 11

What muscle does flexion of the shoulder joint and abduction of the humerus?

Answer 11

Deltoideus

Question 12

What muscles primary job is to adduct and extend the shoulder joint and draw the humerus cranially during flexion of the joint?

Answer 12

Subscapularis

Question 13

What muscle rotates the humerus medially preventing lateral rotation of the humerus? The tendon functions as a medial collateral ligament?

Answer 13

Subscapularis

Question 14

What muscle flexes the shoulder joint to draw the humerus caudally? It results in medial rotation of the shoulder joint

Answer 14

Teres major

Question 15

What muscle causes flexion of the elbow joint and extension and stabilization of the shoulder joint during quiet standing or during the stance phase of locomotion?

Answer 15

Biceps brachii

Question 16

What muscle extends the elbow?

Answer 16

Triceps brachii

Question 17

Which muscle causes fixation of the vertebral column or lateral movement when only one side contracts?

Answer 17

Iliocostalis lumborum

Question 18

Which muscle causes extension of the vertebral column

Answer 18

Longissimus

Question 19

Which muscle helps fix the vertebral column especially in bilateral action?

Answer 19

Multifidus

Question 20

What muscle draws the pelvic limb cranial by flexion of the hip joint?

Answer 20

Iliopsoas. Psoas major and Iliacus

Question 21

What muscle results in flexion and fixation of the vertebral column when the femur is fixed in position?

Answer 21

Iliopsoas. Psoas major and iliacus

Question 22

Which muscles cause extension of the hip joint with some abduction of the pelvic limb?

Answer 22

Gluteals

Question 23

What muscles cause medial rotation of the hip and prevention of lateral rotation on weight bearing?

Answer 23

Gluteals

Question 24

Which muscle flexes the hip and contributes to stifle extension during stance?

Answer 24

Sartorius

Question 25

What muscle flexes the hip, abducts the limb and extends the stifle joint?

Answer 25

Tensor fascia latae

Question 26

Which muscles are responsible for extension of the hip?

Answer 26

Vastus group

Question 27

Which muscle has a cranial part that performs an antigravity role as a hip extensor and to a lesser degree as a stifle extensor?

Answer 27

Biceps femoris

Question 28

Which muscle extends the hip and tarsal joints and causes flexion of the stifle in free non weight bearing limb?

Answer 28

Semitendinosus

Question 29

Which muscle extends the hip when the paw is placed on a solid substrate?

Answer 29

Semimembranosus

Question 30

What does the cranial head of the semimebranosus do?

Answer 30

Extends the hip and active during stance phase of locomotion

Question 31

Which muscle’s caudal head can flex the stifles and contribute to hip extension?

Answer 31

Semimembranosus

Question 32

Which muscle causes adduction of the limb, extension of the hip joint, flexion of the stifle, and extension of the tarsus?

Answer 32

Gracilis

Question 33

Which muscle causes adduction of the thigh?

Answer 33

Pectineus

Question 34

Which muscle causes adduction and extension of the hip joint?

Answer 34

Adductor

Question 35

Which muscle flexes the tarsus and rotates the paw laterally. Supination?

Answer 35

Tibialis cranialis

Question 36

Which muscle primarily extends the tarsal joint and causes slight flexion of the stifle joint?

Answer 36

Gastrocnemius