Insertions and Origins of the muscles of the cat - Posterior View

Question 1

Clavotrapezius - Origin

Answer 1

Skull and axis

Question 2

Clavotrapezius - Insertion

Answer 2

Clavicle

Question 3

Clavotrapezius - Action

Answer 3

Elevates scapula

Question 4

Acromiotrapezius - Origin

Answer 4

Spinous processes of C1-7, T1

Question 5

Acromiotrapezius - Insertion

Answer 5

Scapula

Question 6

Acromiotrapezius - Action

Answer 6

Retracts scapula

Question 7

Spinotrapezius - Origin

Answer 7

Spinous processes of T1-T12

Question 8

Spinotrapezius - Insertion

Answer 8

Scapula

Question 9

Spinotrapezius - Action

Answer 9

Depresses scapula

Question 10

Clavodeltoid - Origin

Answer 10

Clavicle

Question 11

Clavodeltoid - Insertion

Answer 11

Ulna

Question 12

Clavodeltoid - Action

Answer 12

Flexes humerus

Question 13

Acromiodeltoid - Origin

Answer 13

Acromion process of scapula

Question 14

Acromiodeltoid - Insertion

Answer 14

Humerus

Question 15

Acromiodeltoid - Action

Answer 15

Flexes and medially rotates humerus

Question 16

Spinodeltoid - Origin

Answer 16

Spine of scapula

Question 17

Spinodeltoid - Insertion

Answer 17

Humerus

Question 18

Spinodeltoid - Action

Answer 18

Flexes and laterally rotates humerus

Question 19

Latissimus dorsi - Origin

Answer 19

T6-L5, ribs 10-12, iliac crest, thoracolumbar fascia

Question 20

Latissimus dorsi - Insertion

Answer 20

Humerus

Question 21

Latissimus dorsi - Action

Answer 21

Adducts, extends, medially rotates humerus; depresses scapula

Question 22

Levator scapulae ventralis - Origin

Answer 22

C 1-4

Question 23

Levator scapulae ventralis - Insertion

Answer 23

Scapula

Question 24

Levator scapulae ventralis - Action

Answer 24

Elevates and medially rotates scapula

Question 25

Rhomboideus - Origin

Answer 25

Spinous process of T1-12

Question 26

Rhomboideus - Insertion

Answer 26

Medial border of scapula

Question 27

Rhomboideus - Action

Answer 27

Retracts scapula

Question 28

Supraspinatus - Origin

Answer 28

Supraspinous fossa of scapula

Question 29

Supraspinatus - Insertion

Answer 29

Greater tubercle of humerus

Question 30

Supraspinatus - Action

Answer 30

Abducts humerus

Question 31

Infraspinatus - Origin

Answer 31

Infraspinous fossa of scapula

Question 32

Infraspinatus - Insertion

Answer 32

Greater tubercle of humerus

Question 33

Infraspinatus - Action

Answer 33

Laterally rotates humerus

Question 34

Gluteus medius - Origin

Answer 34

Ilium

Question 35

Gluteus medius - Insertion

Answer 35

Greater trochanter of femur

Question 36

Gluteus medius - Action

Answer 36

Abducts and medially rotates thigh

Question 37

Gluteus maximus - Origin

Answer 37

Iliac crest, sacrum, coccyx

Question 38

Gluteus maximus - Insertion

Answer 38

Femur, iliotibial tract

Question 39

Gluteus maximus - Action

Answer 39

Extension, abduction and lateral rotation of thigh

Question 40

Caudofemoralis - Origin

Answer 40

Caudal vertebrae

Question 41

Caudofemoralis - Insertion

Answer 41

Patella

Question 42

Caudofemoralis - Action

Answer 42

Abducts thigh; flexes vertebral column

Question 43

Biceps femoris - Origin

Answer 43

Femur and Ischial tuberosity

Question 44

Biceps femoris - Insertion

Answer 44

Fibula, lateral condyle of tibia

Question 45

Biceps femoris - Action

Answer 45

Flexes leg (knee); extends thigh

Question 46

Gastrocnemius - Origin

Answer 46

Medial and lateral condyles of femur

Question 47

Gastrocnemius - Insertion

Answer 47

Calcaneus via calcaneal tendon

Question 48

Gastrocnemius - Action

Answer 48

Flexes leg (knee); plantar flexes foot

Question 49

Soleus - Origin

Answer 49

Proximal portion of tibia and fibula, interosseus membrane

Question 50

Soleus - Insertion

Answer 50

Calcaneus via calcaneal tendon

Question 51

Soleus - Action

Answer 51

Plantar flexes foot

Question 52

Calcaneal Tendon - Origin

Answer 52

Gastrocnemius, soleus

Question 53

Calcaneal Tendon - Insertion

Answer 53

Calcaneus/calcaneal bone

Question 54

Calcaneal Tendon - Action

Answer 54

Attaches gastrocnemius and soleus to calcaneal bone