Origin, Insertion, Innervation

Question 1

gluteus maximus

Answer 1

iliac crest, sacrum, coccyx

illiotibial tract, gluteal tuberosity of femur

inferior gluteal nerve

Question 2

gluteus medius

Answer 2

outer surface of the ilium

greater trochanter of the femur

superior gluteal nerve

Question 3

gluteus minimus

Answer 3

outer surface of the ilium, inferior to the gluteus medius

greater trochanter

superior gluteal nerve

Question 4

tensor fascia latae

Answer 4

outer surface of the iliac crest (posterior to the anterior-superior iliac crest)

proximal of the iliotibial tract

superior gluteal nerve

Question 5

sartorius

Answer 5

anterior-superior iliac spine

proximal-medial surface of the tibia

femoral nerve

Question 6

obturator internus

Answer 6

internal side of the obturator membrane

greater trochanter

nerve to the obturator internus

Question 7

obturator externus

Answer 7

external side of the obturator membrane

greater trochanter at the trochanteric fossa

obturator nerve

Question 8

piriformis

Answer 8

anterior side of the sacrum

apex of the greater trochanter

nerve to the piriformis

Question 9

gemelli superior

Answer 9

dorsal face of the ischial spine

greater trochanter; blends w/ tendon of the obturator internus

nerve to obturator internus

Question 10

gemelli inferior

Answer 10

tuberosity of the ischium

greater trochanter; blends w/ the tendon of the obturator internus

nerve to the quadratus femoris

Question 11

quadratus femoris

Answer 11

lateral surface of the ischial tuberosity

quadrate tubercle

nerve to the quadratus femoris

Question 12

iliacus

Answer 12

iliac fossa and inner lip of the iliac crest

lesser trochanter of the femur

femoral nerve

Question 13

psoas major

Answer 13

tranverse process and lateral bodies of T12-L5 vertebrae, including the intervertebral discs

lesser trochanter

femoral nerve

Question 14

adductor brevis

Answer 14

anterior surface of the inferior pubic ramus

proximal of the 1/3 of the linea aspera of the femur

obturator nerve

Question 15

adductor longus

Answer 15

anterior surface of the body of the pubis

middle 1/3 of the linea aspera of the femur

obturator nerve

Question 16

adductor magnus (extensor)

Answer 16

ischial tuberosity

adductor tubercle on distal femur

tibial portion of the sciatic nerve

Question 17

adductor magnus (adductor)

Answer 17

ischial ramus

entire linea aspera of femur

obturator nerve

Question 18

pectineus

Answer 18

pectineal line on superior pubic ramus

pectineal line on posterior surface of the femur

obturator nerve

Question 19

gracilis

Answer 19

body and inferior ramus of the pubis

proximal-medial aspect of the tibia (pes anserinus)

obturator nerve

Question 20

rectus femoris

Answer 20

anterior-inferior iliac spine

tibial tuberosity

femoral nerve

Question 21

vastus lateralis

Answer 21

lateral lip of the lina aspera, intertrochanteric line, and lateral region of the gluteal tuberosity

tibial tubersoity

femoral nerve

Question 22

vastus intermedius

Answer 22

upper 2/3 of the anterior femoral shaft

tibial tuberosity

femoral nerve

Question 23

vastus medialis

Answer 23

medial lip of the linea aspera and intertrochanteric line of the femur

tibial tuberosity

femoral nerve

Question 24

biceps femoris (long head)

Answer 24

ischial tuberosity

head of the fibula

tibial branch of the sciatic nerve

Question 25

biceps femoris (short head)

Answer 25

lateral lip of the linea aspera head of the fibula peroneal branch of the sciatic nerve

Question 26

semitendinosus

Answer 26

ischial tuberosity proxmial-medial aspect of the tibia (via pes anserinus) tibial branch of the sciatic nerve

Question 27

semimembranosus

Answer 27

ischial tuberosity posterior surface of the medial condyle of the tibia tibial branch of the sciatic nerve

Question 28

popliteus

Answer 28

posterior aspect of the lateral femoral condyle posterior surface of the proximal tibia tibial nerve