Lecture 12 - Muscles Flashcards Preview

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Flashcards in Lecture 12 - Muscles Deck (60):
1

What is the origin of tensor fasciae latae?

Tuber coxae; aponeurosis of middle gluteal m.

2

What is the insertion of tensor fasciae latae?

Lateral femoral fascia

3

What is the nerve of tensor fasciae latae?

Cranial gluteal n.

4

What is the action of tensor fasciae latae?

Tense lateral femoral fascia; flex hip (advance); extend stifle (advance)

5

What is the origin of gluteus medius?

Crest and gluteal surface of ilium

6

What is the insertion of gluteus medius?

Greater trochanter

7

What is the nerve of gluteus medius?

Cranial gluteal n.

8

What is the action of gluteus medius?

Extend (retract) and abduct the hip; rotate the pelvic limb medially at the hip

9

What is the origin of gluteus superficialis?

Lateral border of sacrum and first caudal vert.; sacrotuberous ligament; cranial dorsal iliac spine via deep gluteal fascia

10

What is the insertion of gluteus superficialis?

Third trochanter

11

What is the nerve of gluteus superficialis?

Caudal gluteal n.

12

What is the action of gluteus superficialis?

Extend (retract) and abduct the hip

13

What is the origin of gluteus profundus?

Body of the ilium; ischial spine

14

What is the insertion of gluteus profundus?

Greater trochanter

15

What is the nerve of gluteus profundus?

Cranial gluteal n.

16

What is the action of gluteus profundus?

Extend (retract) and abduct the hip; rotate pelvic limb medially at the hip

17

What is the origin of obturator internus?

symphysis pelvis and dorsal surface of ischium and pubis

18

What is the insertion of obturator internus?

Trochanteric fossa

19

What is the nerve of obturator internus?

Sciatic n.

20

What is the action of obturator internus?

Rotate pelvis limb laterally at the hip

21

What is the origin of obturator externus?

Ventral surface of pubis and ischium

22

What is the insertion of obturator externus?

Trochanteric fossa

23

What is the nerve of obturator externus?

Obturator n.

24

What is the action of obturator externus?

Rotate pelvic limb medially at the hip

25

What is the origin of Gemelli?

Ischial spine and lateral surface of ischium

26

What is the insertion of Gemelli?

Trochanteric fossa of the femur

27

What is the nerve of Gemelli?

Sciatic n.

28

What is the action of Gemelli?

Rotate pelvic limb laterally at the hip

29

What is the origin of quadratus femoris?

Ventral surface of caudal part of ischium

30

What is the insertion of quadratus femoris?

Intertrochanteric crest and shaft of femur

31

What is the nerve of quadratus femoris?

Sciatic n.

32

What is the action of quadratus femoris?

Rotate pelvic limb laterally at the hip, extend the hip

33

What is the origin of biceps femoris?

Sacrotuberous ligament and ischial tuberosity

34

What is the insertion of biceps femoris?

1) Patella, patellar ligament, and ...
2) Subcutaneous part of tibal body
3) Tuber calcanei (look at slide for more indepth answer)

35

What is the nerve of biceps femoris?

Sciatic n

36

What is the action of biceps femoris?

Extend hip, stifle, and hock; caudal part of muscle flexes stifle

37

What is the origin of semitendinosus?

Ischial tuberosity

38

What is the insertion of semitendinosus?

Disto-cranial border of tibia; medial surface of body of tibia; tuber calcanei via crural fascia

39

What is the nerve of semitendinosus?

Sciatic n.

40

What is the action of semitendinosus?

Extend the hip; flex stifle; extend hock

41

What is the origin of semimembranosus?

Ischial tuberosity

42

What is the insertion of semimembranosus?

Distal medial lip of caudal rough surface of the femur and medial condyle of the tibia

43

What is the nerve of semimembranosus?

Sciatic n.

44

What is the action of semimembranosus?

Extend the hip; attachment of femur extends the stifle; attachment to tibia flexes or extends stifle depending on position of the limb

45

What is the origin of sartorius?

cranial - iliac crest and thoracolumbar fascia
caudal - cranial ventral spine and ventral border of ilium

46

What is the insertion of sartorius?

cranial - patella w/ rectus femoris
caudal - cranial border of tibia w/ gracilis

47

What is the nerve of sartorius?

FEMORAL N.

48

What is the action of sartorius?

Flex hip
Cranial part - extend stifle
Caudal part - flexes stifle

49

What is the origin of pectineus?

Iliopubic eminence and pubic tubercle via prepubic tendon

50

What is the insertion of pectineus?

Distal aspect of medial lip of caudal rough face of femur

51

What is the nerve of pectineus?

Obturator n.

52

What is the action of pectineus?

Adduct limb

53

What is the origin of adductor?

Pelvic symphysis via symphysial tendon; adjacent part of ischial arch, ventral surfaces of ischium and pubis

54

What is the insertion of adductor?

entire lateral lip of caudal rough face femur

55

What is the nerve of adductor?

Obturator n.

56

What is the action of adductor?

Adduct limb, extend hip

57

What is the origin of gracilis?

Pelvic symphysis by means of symphysial tendon

58

What is the insertion of gracilis?

Cranial border of the tibia
Tuber calcanei with semiteninosus

59

What is the nerve of gracilis?

Obturator n.

60

What is the action of gracilis?

Adduct the limb, flex stifle, and extend hip and hock