Thigh and Gluteal Region

Question 1

What comes out of the superior sciatic foramen above the piriformis?

Answer 1

Superior gluteal nerve, artery, and vein

Question 2

What comes out of the superior sciatic foramen below the piriformis?

Answer 2

Sciatic nerve; nerve to the Quadratus femoris; Femoral cutaneous nerve; Nerve to Obturator internus; Inferior gluteal nerve, artery, and vein; Internal Pudendal artery and vein; Pudendal nerve

Question 3

What spinal nerves contribute to the femoral nerve?

Answer 3

L2-L4

Question 4

What spinal nerves contribute to the obturator nerve?

Answer 4

L2-L4

Question 5

What spinal nerves contribute to the pudendal nerve?

Answer 5

S2-S4

Question 6

What spinal nerves contribute to the sciatic nerve?

Answer 6

L4-S3:
Tibial nerve = L4-S3
Common Fibular nerve = L4-S2

Question 7

Name the muscle(s) innervated by the superior gluteal nerve.

Answer 7

Gluteus medius, gluteus minimus, tensor fascia latae

Question 8

Name the muscle(s) innervated by the inferior gluteal nerve.

Answer 8

Gluteus maximus

Question 9

What innervates the piriformis muscle?

Answer 9

Nerve to piriformis

Question 10

What innervates the obturator internus muscle?

Answer 10

Nerve to obturator internus

Question 11

What innervates the quadratus femoris muscle?

Answer 11

Nerve to quadratus femoris

Question 12

Name the superolateral border of the popliteal fossa.

Answer 12

Biceps femoris

Question 13

Name the superomedial border of the popliteal fossa.

Answer 13

Semimembranosus; semitendonosus

Question 14

Name the inferolateral border of the popliteal fossa.

Answer 14

1. Gastrocnemius - lateral head

2. Plantaris

Question 15

Name the inferomedial border of the popliteal fossa.

Answer 15

Gastrocnemius - medial head

Question 16

Name the roof of the popliteal fossa.

Answer 16

skin and dense popliteal fascia

Question 17

Name the floor of the popliteal fossa.

Answer 17

femur, oblique popliteal ligament, popliteal fascia

Question 18

What goes into the adductor canal?

Answer 18

femoral artery and vein

Question 19

What comes out of the adductor canal?

Answer 19

popliteal artery and vein

Question 20

What makes the adductor canal?

Answer 20

the two insertions of the adductor magnus - hamstring part and oblique part

Question 21

What nerve passes immediately medial to the adductor canal (does not pass through it)?

Answer 21

Saphenous nerve

Question 22

What nerve, artery, and vein pass through the popliteal fossa?

Answer 22

Sciatic nerve, split into tibial and common fibular

Popliteal artery and vein

Question 23

What is the muscle that “unlocks” the knee after standing? (Name also its innervation, origin, and insertion)

Answer 23

Popliteus - tibial nerve; lateral femoral condyle to the posterior proximal tibia

Question 24

What structures form the greater sciatic foramen?

Answer 24

Greater sciatic notch; sacrospinous ligament

Question 25

What structures form the lesser sciatic foramen?

Answer 25

Lesser sciatic notch; sacrotuberous ligament