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Moving Exam 2 > Muscles Of Pelvic Limb > Flashcards

Muscles Of Pelvic Limb Flashcards

1
Q

Groups in hip muscles

A

Dorsal (gluteal)
Medial group
Deep group
Caudal (hamstring)

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2
Q

Muscles in dorsal group

A

Superficial gluteal
Middle gluteal
Piriformis
Deep gluteal
Gluetofemoralis (cat)
Tensor fasciae latae

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3
Q

Action of dorsal group

A

Hip extension & limb abduction except TFL flexes hip

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4
Q

Muscles in medial group

A

Gracilis
Pectineus
Adductor
External obturator
Sartorius
Iliopsoas

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5
Q

Function of medial group

A

Limb adduction

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6
Q

Muscles in Caudal group

A

Biceps femoris
Abductor cruris caudalis
Semitendinosus
Semimembranosus

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7
Q

Function of caudal group

A

Hip & hock extensors varied action on stifle

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8
Q

Muscles of deep group

A

Internal obturator
Gemelli
Quadratus femoris

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9
Q

Function of deep group

A

Lateral rotation of the limb

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10
Q

Caudal gluteal nerve supplies what muscle group

A

Dorsal group - superficial gluteal & gluteofemoralis
(Most caudal)

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11
Q

Superficial gluteus
Origin
Insertion
Action

A

Origin - sacrum
Insertion - sacrotuberus lig
Action - extends hip joint, weak abduction

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12
Q

Middle gluteus

Origin
Insertion
Action

A

Origin - wing of ilium
Insertion - greater trochanter
Action - extends hip joint

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13
Q

Piriformis

A

Fusiform, deep to middle gluteus, carnivores only

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14
Q

Piriformis
Origin
Insertion
Action

A

Origin - sacrum & sacrotuberus lig
Insertion - greater trochanter
Action - extend hip, abduct limb
Nerve - Caudal gluteal

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15
Q

Deep gluteal

Origin
Insertion
Action

A

Origin - body of ilium
Insertion - greater trochanter
Action - extends hip
Nerve - caudal gluteal

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16
Q

Gluteofemoralis (caudofemoralis)

A

Present in cats only
Superficial muscles of thigh of cat
Sartoruis
Tensor fasciae Latae
Middle gluteus
Superficial gluteus
Caudofemorlis
Biceps femoris

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17
Q

Gluteofemoralis

Origin
Insertion
Action
Nerve

A

Origin - first few Ca vert
Insertion - patella
Action - extend hip, abduct limb
Nerve - Ca gluteal N

18
Q

Biceps femoris

Origin
Insertion
Action
Nerve

A

Origin - sacrotuberus lig
Insertion - cranial, patella indirectly via fascia lata
Middle - tibial crest
Caudal - calcanean tuberosity via calcanean tendon
Action - extends hip, stifle, hock, flex stifle
Nerve - caudal gluteal - cranial part
Tibial n - middle & caudal parts

19
Q

Abductor cruris caudalis

Origin
Insertion
Action
Nerve

A

Origin - sacrotuberus lig
Insertion - crural fascia
Action - abduction of the limb
Nerve - sciatic nerve

20
Q

Semitendinosus
Origin
Insertion
Action
Nerve

A

Origin - ischiatic tuberosity
Insertion - medial aspect of tibia
Action - extends hip, hock, flex stifle
Nerve - sciatic nerve

21
Q

Semimembranosus
Origin
Insertion
Action
Nerve

A

Origin - ischiatic tuberosity
Insertion - cranial belly on distal aspect of femur, prox to origin of medial head of gastrocnemius
Caudal belly on medial condyle of tibia
Action - cranial & caudal bellies
Extends hip, caudal belly flexes the stifle
Nerve - sciatic

22
Q

Tensor fasciae latae

Origin
Insertion
Action
Nerve

A

Origin - tuber coxae
Insertion - fascia lata
Cranial gives rise to superficial lamina of fascia lata
Caudal gives rise to deeper lamina of fascia lata
Action - tense the fascia lata, flex hip, extend stifle
Nerve - cranial gluteal

23
Q

Sartorius cranial part

Origin
Insertion
Action
Nerve

A

Origin - iliac crest
Insertion - patella
Action - extends stifle
Nerve - femoral nerve (saphenous)

24
Q

Sartorius caudal parts

Origin
Insertion
Action
Nerve

A

Origin - tuber coxae
Insertion - tibial crest (medially)
Action - flexes stifle, both parts flex hip
Nerve - femoral nerve (saphenous)

25
Q

Quadriceps femoris

A

Rectus femoris
Vastus lateralis, vastus intermedius, vastus medialis

26
Q

Quadriceps femoris

Origin
Insertion
Action
Nerve

A

Origin
Rectus femoris: from tuberosity just cranial to the acetabulum
Vastus lateralis, intermedius, medialis: proximal femur laterally, cranially, medially respectively
Insertion: patella, through ligament to tibial tuberosity
Action: flexor of hip, extensor of stifle
Nerve: femoral nerve

27
Q

Important of quadriceps femoris

A

Most important for weight bearing on pelvic limb
Injury to spinal cord segments (L4,5,6) -> paralysis of femoral n -> collapse of stifle jt
Used for IM

28
Q

Gracilis

Origin
Insertion
Action
Nerve

A

Origin - pelvic symphysis via symphysial tendon
Insertion - proximal craniomedial surface of tibia, calcanean tuber
Action - adductor and a weak extensor of hock
Nerve

29
Q

Adductor
Origin
Insertion
Action
Nerve

A

Origin - symphysial tendon, pubic tubercle
Insertion - caudal surface of femur
Adductor magnus -> lateral lip of faciei aspera
ventral to inter-trochanteric ridge
Attachment for pectineus m
Action - adductor of pelvic limb, may extend hip

30
Q

Pectineus

Origin
Insertion
Action
Nerve

A

Origin - iliopubic eminence
Insertion - facies aspera of femur
Action -
Nerve

31
Q

Femoral triangle boarders

A

Base - vascular lacuna & inguinal lig
Cranial - Sartorius, caudal belly
Caudal - Pectineus m
Medial - femoral fascia & skin
Lateral - Iliopsoas & vastus medialis mm

32
Q

External obturator

Origin
Insertion
Action
Nerve

A

Origin - area around the obturator foramen externally
Insertion - trochanteric fossa
Action - adduction & lateral rotation of pelvic limb at hip
Nerve - sciatic

33
Q

Internal obturator

Origin
Insertion
Action
Nerve

A

Origin - area around the obturator foramen internally
Insertion - trochanteric fossa
Action - lateral rotation of pelvic limb at the hip
Nerve -
In horses & carnivores only
Pig and rum, intrapelvic parts of ext obturator muscle

34
Q

Gemelli

Origin
Insertion
Action
Nerve

A

Origin - spine of ischium
Insertion - trochanteric fossa
Action - rotate pelvic limb laterally at hip
Nerve - sciatic nerve

35
Q

Quadratus femoris

Origin
Insertion
Action
Nerve

A

Origin - ischium - tuber ischii
Insertion - intertrochanteric crest
Action - rotate pelvic limb laterally at hip
Nerve - sciatic nerve

36
Q

Pelvic diaphragm
Coccyges
Levator ani

A
37
Q

Sublumbar muscles

A

Quadratus lumborum
Psoas minor
Psoas major
Iliopsoas (psoas major, iliacus)

38
Q

Sublumbar muscles form

Origin
Insertion
Action
Nerve

A

Dorsal wall of abdominal cavity

Origin - caudal thoracic & lumbar vertebrae
Insertion - Os coxae & femur
Action - flex lumbar vertebrae
Nerve - ventral branches of lumbar n

39
Q

Iliopsoas muscles

Origin
Insertion
Action
Nerve

A

Origin - lumbar vertebrae & ilium
Insertion - lesser trochanter of femur
Action - flex hip
Nerve - femoral n

40
Q

Iliopsoas palpation

A

Can be palpated
At caudalvental aspect of the wing of the ilium

Moving Exam 2 (26 decks)

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