Posterior Hip and Thigh

Question 1

Gluteus Maximus Origin

Answer 1

ilium, sacrum, coccyx, sacrotuberous ligament

Question 2

Gluteus Maximus insertion

Answer 2

gluteal tuberosity of femur, iliotibial tract (to lateral tibial condyle)

Question 3

Gluteus Maximus Action

Answer 3

extension of thigh; lateral rotation of thigh; abduction of thigh

Question 4

Gluteus Maximus Innervation

Answer 4

Inferior gluteal n

Question 5

Gluteus Maximus blood supply

Answer 5

inferior gluteal a. and superior gluteal a.

Question 6

Gluteus Medius Action

Answer 6

abduction of thigh; medial rotation of thigh

Question 7

Gluteus Minimus Action

Answer 7

abduction of thigh, medial rotation of thigh

Question 8

Tensor Fascia Latae Action

Answer 8

flexion, abduction, medial rotation of the thigh

Question 9

Piriformis Action

Answer 9

lateral rotation of thigh

Question 10

Biceps femoris Origin

Answer 10

ischial tuberosity of ischium (long head) linea aspera of femur (short head)

Question 11

Biceps femoris insertion

Answer 11

head of fibula

Question 12

Biceps femoris Action

Answer 12

flexion of leg, both heads; lateral rotation of flexed leg, both heads; extension of thigh, long head only

Question 13

Biceps femoris innervation

Answer 13

Long head: tibial n.; short head: common fibular n.

Question 14

Biceps femoris Blood Supply

Answer 14

Inferior gluteal artery, obturator artery, Popliteal artery, profunda femoris

Question 15

Semitendinosus Origin

Answer 15

ischial tuberosity of ischium

Question 16

Semitendinosus insertinon

Answer 16

medial surface of proximal tibia (aka the “pes anserine”)

Question 17

Semitendinosus action

Answer 17

flexion of leg, extension of thigh, medial rotation of flexed leg

Question 18

Semitendinosus innervation

Answer 18

tibial n.

Question 19

Semitendinosus blood supply

Answer 19

Inferior gluteal artery, obturator artery, Popliteal artery, profunda femoris

Question 20

Semimembranosus Origin

Answer 20

ischial tuberosity of ischium

Question 21

Semimembranosus insertion

Answer 21

medial condyle of tibia (posterior surface of)

Question 22

Semimembranosus action

Answer 22

flexion of leg, extension of thigh, medial rotation of flexed leg

Question 23

Semimembranosus innervation

Answer 23

tibial n.

Question 24

Semimembranosus blood supply

Answer 24

Inferior gluteal artery, obturator artery, Popliteal artery, profunda femoris