Pelvic Limb Lecture

Question 1

Fascia of the pelvis and pelvic limb

Answer 1

Deep gluteal
Lateral femoral (fascia lata)
Crural fascia

Question 2

What is a joint formed by muscles with no bony connections?

Answer 2

Synsarcosis

Question 3

Extensors of the hip

Answer 3

Gluteal and Hamstring

Question 4

what are the gluteal muscles?

Answer 4

Superficial, deep, and middle

Question 5

Origins of gluteal muscles

Answer 5

deep gluteal fascia
Parts of sacrotuberous ligament
Ilium and ishium

Question 6

Insertion of superficial gluteal muscles

Answer 6

3rd trochanter

Question 7

Insertion of middle and deep gluteal

Answer 7

Greater trochanter of femer

Question 8

Action of gluteal muscles

Answer 8

Extend hip 
Abduct limb (not a profound function)

Question 9

What is the largest gluteal muscle?

Answer 9

Middle gluteal

Question 10

What makes the lumbosacral plexus?

Answer 10

Obturator n
Femoral n
Sciatic n

Question 11

What is the gluteal muscle found only in cats?

Answer 11

gluteofemoralis muscle

Question 12

What innervates the superficial gluteal muscles?

Answer 12

Caudal gluteal nerves

Question 13

What nerve innervates the middle and deep gluteal?

Answer 13

Cranial gluteal nerve

Cranial gluteal n. lies on top of the deep gluteal

Question 14

What makes up the Hamstring muscle group?

Answer 14

biceps femoris
semimembranosus
semitendinosus

Question 15

Origin for the hamstrings

Answer 15

O: ischiatic tuberosity
(sacrotuberous ligament for biceps femoris)

I: patellar ligament, tibial tuberosity, medial aspect of distal femor (common calcanean tendon)

Question 16

action of Caudal (hamstring) group

Answer 16

Extend hip (provides thrust to propel animal forward)
extend/flex stifle (biceps femoris)
extend tarsus (biceps femoris and semitendinosus)

Question 17

Name the order of hamstring muscles from most cranial to caudal

Answer 17

biceps femoris, semitendinosus, semimembranosus

Question 18

lymph node found in the stifle region

Answer 18

Popliteal lymph node

Question 19

Nerve supply to the hamstring muscle group

Answer 19

sciatic n.
tibial n.
popliteal n.
common fibular n.

Question 20

Flexors of the hip 3

Answer 20

Iliopsoas
Tensor fascia latae
rectus femoris

Question 21

origin and insertion of iliopsoas

Answer 21

O: transverse processes and bodies of lumbar vertebrae and ventral surface of ilium

I: lesser trochanter of femur

Question 22

Action of iliopsoas

Answer 22

Flex hip (primary flexor of hip)
Flex vertebral column

Question 23

origin and insertion of tensor fascia latae

Answer 23

O: tuber coxae and adjacent surface of ilium
I: lateral femoral fascia

Question 24

Action of the tensor fascia latae

Answer 24

flex hip 
extend stifle (along with quadriceps femoris)

Question 25

Tensor fascia latae is innervated by which nerve?

Answer 25

cranial gluteal n.

Question 26

Which muscle lies on the hip joint capsule, deep to the deep gluteal muscle, and is a surgical landmark in the area?

Answer 26

aritcularis coxae

Question 27

How can the pelvic limb move?

Answer 27

adduct (medial muscles of thigh) Rotate (small pelvic association) Abduct (gluteal muscles)

Question 28

Where are adductors of the pelvic limb found?

Answer 28

medial aspect of the thigh

Question 29

What are the muscles of the medial thigh (femoral region)? 3

Answer 29

Gracilis Adductor Pectineus

Question 30

Origin and Insertion of medial thigh muscles?

Answer 30

O: ilium symphysial tendon prepubic tendon associated areas of pubis and ischium I: distal caudal part of femur and cranial border of tibia

Question 31

Action of the medial thigh muscles?

Answer 31

adduct the limb (anti-slipping muscles)

Question 32

What muscles lie deep to the gracilis and Sartorius muscles?

Answer 32

Adductor and Pectineus

Question 33

Nerve supply to the adductor muscles

Answer 33

Obturator n.

Question 34

Muscles that rotate the pelvic limb? (4)

Answer 34

external obturator, internal obturator, gemelli, quadratus femoris

Question 35

origin of muscles that rotate the pelvic limb

Answer 35

O :dorsal and ventral surfaces of pubis and ischium and associated areas I;Trochanteric fossa and intertrochanteric crest of femur

Question 36

what is the action of the external obturator, internal obturator, gemelli, and quadratus femoris?

Answer 36

Rotate limb

Question 37

What innervates the internal obturator, quadratus femoris and gemelli muscles?

Answer 37

sciatic n.

Question 38

What innervates the external obturator?

Answer 38

Obturator n.

Question 39

What is the primary extensor of the stifle joint?

Answer 39

Quadriceps femoris

Question 40

What muscles make up the quadriceps femoris?

Answer 40

Rectus femoris vastus lateralis vastus intermedius vastus medialis

Question 41

What is the origin for the quadriceps femoris muscles? | Origin and Insertion

Answer 41

O: Rectus femoris- ilium Vastus heads- Proximal aspects of the femur I:Tibial tuberosity via patella and patellar ligament (intercalated in tendon of insertion is patella-large seasamoid bone)

Question 42

Action of the Quadriceps femoris?

Answer 42

``` Extend stifle Flex hip (rectus femoris only) ```

Question 43

Quadriceps femoris surround all parts of the femur except?

Answer 43

caudally

Question 44

? is a large sesamoid bone intercalated in the tendon of insertion for the quadriceps femoris on the tibial tuberosity

Answer 44

Patella

Question 45

Innervation for the flexors of the hip and extensors of the stifle

Answer 45

Femoral n | Saphenous n.

Question 46

What nerve is observed as it emerges through the iliopsoas muscle and then enters into the rectus femoris muscle?

Answer 46

Femoral n.

Question 47

A branch of the femoral n. that initially travels along with the femoral vein and artery and provides sensory innervation to the medial thigh/leg

Answer 47

Saphenous n.

Question 48

The popliteus muscle's action in the leg?

Answer 48

Rotate leg medially

Question 49

Origin and insertion of the popliteus muscle

Answer 49

Origin - lateral epicondyle of femur Insertion - Caudal surface of proximal third of tibia

Question 50

What innervates the popliteus muscle?

Answer 50

tibial branch of sciatic n.

Question 51

T/F: Popliteus muscle lies deep to gastrocnemius and superficial digital flexor

Answer 51

TRUE

Question 52

What are the 2 parts of the Sartorius muscle? | Cats?

Answer 52

cranial and caudal | undivided in cats

Question 53

innervation to the Sartorius muscle

Answer 53

Femoral n.

Question 54

What is the deep, caudal part of the middle gluteal muscle

Answer 54

Piriformis muscle