Pelvic Limb-myology 2

Question 1

Internal obturator

Answer 1

Origin: inner surface obturator foramen
Insertion: trochanteric fossa
Innervation: sciatic nerve
Function: retroversor femur and draws limb outwards

Question 2

Gemellus

Answer 2

Origin: ischium
Insertion: trochanteric fossa
Innervation: sciatic nerve
Function: retroversor of femur and draws limb outwards

Question 3

Quadrate muscle of the thigh

Answer 3

Origin: ischium
Insertion: trochanteric fossa
Innervation: sciatic nerve
Function: retroversor of femur, draws limb outwards

Question 4

Superficial gluteal muscle

Answer 4

Origin: gluteal fascia+sacrum
Insertion: greater trochanter+third trochanter
Innervation: caudal gluteal nerves
Function: extensor of hip joint

Question 5

Middle gluteal muscle

Answer 5

Origin: wings of ilium+sacrum+1st lumbar vertebrae
Insertion: greater trochanter
Innervation: cranial gluteal nerve
Function: extensor of hip joint, draws limb outwards and back

Question 6

Deep gluteal muscle

Answer 6

Origin: ischiatic spine
Insertion: greater trochanter
Innervation: cranial gluteal nerve
Function: extensor of hip joint, draws limb outwards and back

Question 7

Gluteofemoral muscle CATS

Answer 7

Origin: caudal vertebrae
Insertion: patella
Innervation: caudal gluteal nerve
Function: extensor if hip joint, draws limb backwards and out, lateral movement of tail

Question 8

Piriformis

Answer 8

Origin: ventral and lateral surface of sacrum
Insertion: greater trochanter of femur
Innervation: caudal gluteal nerve
Function: extensor of hip joint, draws limb outwards and back

Question 9

Tensor muscle of fascia Lara

Answer 9

Origin: coxal tuberosity
Insertion: fascia lata
Innervation: cranial gluteal nerve
Function: draws limb forward and tenses fascia lata

Question 10

Sartorious

Answer 10

Origin: coral tuberosity
Insertion: leg fascia or tibia
Innervation: femoral nerve
Function: adducts and draws limb forward

Question 11

Quadriceps lateral vaste

Answer 11

Origin: lateral surface of femur
Insertion: patella, tibial tuberosity
Innervation: femoral nerve
Function: extensor of knee joint

Question 12

Quadriceps medial vaste

Answer 12

Origin: medial surface of femur
Insertion: patella, tibial tuberosity
Innervation: femoral nerve
Function: extensor muscle of knee joint

Question 13

Quadriceps intermediate vaste

Answer 13

Origin: medial surface of femur
Insertion: patella, tibial tuberosity
Innervation: femoral nerve
Function: extensor muscle of knee joint

Question 14

Straight muscle of the thigh

Answer 14

Origin: body of ilium
Insertion: patella, tibial tuberosity
Innervation: femoral nerve
Function: extensor muscle of the knee joint