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Veterinary Anatomy > Muscles Hip to Stifle > Flashcards

Muscles Hip to Stifle Flashcards

1
Q

What are the lumbar muscles

A

Psoas major, psoas minor, iliacus, iliopsoas

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2
Q

Origin/insertion of psoas major

A

Lumbar vertebrae; lesser trochanter

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3
Q

Action of psoas major

A

Flex hip

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4
Q

Innervation of psoas major

A

Spinal nerves and femoral nerve

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5
Q

Origin/insertion of psoas minor

A

Thoracolumbar vertebrae; ilium

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6
Q

Action of psoas minor

A

Tilt pelvis

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7
Q

Innervation of psoas minor

A

Spinal nerves

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8
Q

Origin and insertion of iliacus

A

Wing of ilium and sacrum; lesser trochanter

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9
Q

Innervation of iliacus

A

Spinal nerves and femoral

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10
Q

What muscles form iliopsoas

A

Psoas major and iliacus

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11
Q

Function of iliopsoas

A

Flex hip

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12
Q

What muscles form the gluteal muscles

A

Superficial gluteal, middle gluteal, deep gluteal, tensor fascia latae, accessory gluteal (horse only)

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13
Q

Origin and insertion of superficial gluteal

A

Sacrum -> third trochanter (if present)

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14
Q

Innervation of SUPERFICIAL gluteal

A

Caudal gluteal n

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15
Q

Origin and insertion of middle gluteal

A

Ilium -> greater trochanter

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16
Q

Innervation of MIDDLE gluteal

A

Cranial gluteal n

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17
Q

Action of superficial, middle and deep gluteal

A

Hip extensors; abduct limb

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18
Q

Origin and insertion of tensor fascia latae

A

Tuber coxae -> fascia lata

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19
Q

Innervation of tensor fascia latae

A

Cranial gluteal n

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20
Q

Action of tensor fascia latae

A

Flex hip; extend stifle

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21
Q

What is fascia latae

A

The aponeurosis of tensor fascia latae

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22
Q

What is the insertion of the accessory gluteal

A

Cranial greater trochanter

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23
Q

What lubricates the passage of the accessory gluteal

A

Trochanteric bursa

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24
Q

What is the origin and insertion of the deep gluteal

A

Ischium -> greater trochanter

25
Q

Innervation of deep gluteal

A

Cranial gluteal n

26
Q

What makes up the hamstring aka caudal group of muscles

A

Biceps femoris, semitendinosus, semimembranosus

27
Q

Origin and insertion of biceps femoris

A

Ischial tuber and sacrotuberous ligament to a broad insertion on the fascia surrounding the stifle

28
Q

Action of biceps femoris

A

Hip extensor (powerful); can flex or extend the stifle

29
Q

What muscle is unique to sheep

A

Glutebiceps (superficial gluteal and biceps femoris fuse)

30
Q

Origin and insertion of semimembranosus

A

Pelvis -> medial aspect of femur

31
Q

Action of semimembranosus

A

Hip extensor

32
Q

What muscle makes up the cranial/antigravity group of muscles

A

Quadriceps femoris

33
Q

What muscles make up quadriceps femoris

A

Rectus femoris, vastus medius, vastus lateralis, vastus intermedius

34
Q

Action of quadriceps

A

Extend the stifle; rectus femoris also flexes the hip

35
Q

Innervation of quadriceps

A

Femoral nerve

36
Q

Origin and insertion of rectus femoris

A

Ilium -> tibial tuberosity

37
Q

Origin and insertion of vastus medius/lateralis/intermedius

A

Proximal femur -> tibial tuberosity

38
Q

If the femoral nerve is damaged, what is the consequence and why (i.e what big muscle is involved)

A

Animal will no longer be able to stand; due to loss of action of the quadriceps femoris (which acts to extend the stifle and flex the hip)

39
Q

What are the medial muscles of the thigh

A

Pectineus, sartorius, adductor, gracilis

40
Q

Origin and insertion of sartorius

A

Ilium -> medial stifle

41
Q

Innervation of sartorius

A

Femoral n

42
Q

Action of sartorius

A

Flex hip; extend stifle. abduct thigh

43
Q

Origin and insertion of pectineus

A

Pubic region -> medial stifle and calcaneus

44
Q

Innervation of pectineus

A

Obturator n

45
Q

Action of pectineus

A

Adduct limb

46
Q

Origin and insertion of adductor

A

Pelvis -> medial femur and stifle

47
Q

Action of adductor

A

Adduct limb

48
Q

Innervation of adductor

A

Obturator

49
Q

Origin and insertion of gracilis

A

Pelvic symphysis -> medial stifle and calcaneus

50
Q

Action of gracilis

A

Adduct limb; flex stifle; extend hip and hock

51
Q

What is the role of the deep muscles

A

Hip protectors; pull head of femur into joint

52
Q

What makes up the femoral triangle

A

Edge of aponeurosis of external abdominal oblique, sartorius, pectineus

53
Q

What animal has a bicipital bursa

A

Cow

54
Q

What special bursa does the cow have

A

Bicipital

55
Q

The hip joint is deep to which muscle

A

Middle gluteal

56
Q

The trochanteric bursa lies beneath which muscle and overtop which muscle

A

Accessory gluteal; deep gluteal

57
Q

What is the action of semimembranosus in sheep and why does it differ from dogs

A

In sheep, only a hip extensor; because it inserts on the middle of the femur instead of going down to insert on the tibia

58
Q

What is the muscle deep to biceps femoris

A

Caudal crural abductor

59
Q

What is the muscle unique to rabbits and cats

A

Cranial crural abductor

Veterinary Anatomy (16 decks)

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