Posterior muscle O.I.A.N

Question 1

Gluteus Maximus origin

Answer 1

Posterior GLUTEAL line/ilium

Question 2

Gluteus Maximus Insertion

Answer 2

GLUTEAL tuberosity/femur

Question 3

Gluteus Maximus action

Answer 3

extends and laterally rotates the femur

Question 4

Gluteus Maximus nerve supply

Answer 4

inferior gluteal (L5, S1, S2)

Question 5

Gluteus Medius origin

Answer 5

External surface/ ilium

Question 6

Gluteus Medius insertion

Answer 6

Greater trochanter/femur

Question 7

Gluteus Medius action

Answer 7

abducts the femur

Question 8

Gluteus Medius nerve supply

Answer 8

superior gluteal (L4,L5,S1)

Question 9

Gluteus Minimus origin

Answer 9

external surface/ ilium

Question 10

Gluteus Minimus insertion

Answer 10

greater trochanter/ femur

Question 11

Gluteus Minimus action

Answer 11

abducts the femur

Question 12

Gluteus Minimus N.

Answer 12

superior gluteal (L4,L5,S1)

Question 13

Piriformis orgin

Answer 13

anterior surface/ sacrum

Question 14

Piriformis insertion

Answer 14

greater trochanter/ femur

Question 15

Piriformis action

Answer 15

laterally rotates the femur

Question 16

Piriformis nerve supply

Answer 16

S1,S2

Question 17

Superior Gemellus origin

Answer 17

spine/ischium

Question 18

Superior Gemellus insertion

Answer 18

greater trochanter/ femur

Question 19

Superior Gemellus action

Answer 19

laterally rotates the femur

Question 20

Superior Gemellus innervation

Answer 20

L4,L5,S1,S2

Question 21

Obturator Internus origin

Answer 21

INTERNAL surface/ OBTURATOR membrane

Question 22

Obturator Internus insertion

Answer 22

greater trochanter/femur

Question 23

Obturator Internus action

Answer 23

laterally rotates the femur

Question 24

Obturator Internus innervation

Answer 24

L4,L5,S1,S2

Question 25

Inferior Gemellus origin

Answer 25

ischial tuberosity

Question 26

Inferior Gemellus insertion

Answer 26

greater trochanter/ femur

Question 27

Inferior Gemellus action

Answer 27

laterally rotates the femur

Question 28

Inferior Gemellus innervation

Answer 28

L4,L5,S1,S2

Question 29

Obturator Externus origin

Answer 29

EXTERNAL surface/ OBTURATOR membrane

Question 30

Obturator Externus insertion

Answer 30

trochanteric fossa/ femur

Question 31

Obturator Externus action

Answer 31

laterally rotates the femur

Question 32

Obturator Externus innervaion

Answer 32

obturator (L2,L3,L4)

Question 33

Quadratus Femoris origin

Answer 33

ischial tuberosity

Question 34

Quadratus Femoris insertion

Answer 34

QUADRATE tubercule/ femur

Question 35

Quadratus Femoris action

Answer 35

laterally rotates the femur

Question 36

Quadratus Femoris innervation

Answer 36

L4,L5,S1,S2

Question 37

semitendinosous origin

Answer 37

ischial tuberosity

Question 38

semitendinosous insertion

Answer 38

medial condyle and proximal posterior shaft/tibia

Question 39

semitendinosous action

Answer 39

Flexion of leg at knee joint

Question 40

semitendinosous innervation

Answer 40

sciatic nerve (L4-S3)

Question 41

semimembranosus origin

Answer 41

ischial tuberosity

Question 42

semimembranosus insertion

Answer 42

medial condyle/ tibia

Question 43

semimembranosus action

Answer 43

Flexion of leg at knee joint

Question 44

semimembranosus innervation

Answer 44

sciatic nerve (L4-S3)

Question 45

Biceps femoris (long and short head) origin

Answer 45

Ischial tuberosity (L.H.)

(S.H.)=linea aspera of the femur

Question 46

Biceps femoris (long and short head) insertion

Answer 46

Head/fibula

Question 47

Biceps femoris (long and short head) action

Answer 47

Flexion of leg at knee joint

Question 48

Biceps femoris (long and short head) innervation

Answer 48

sciatic nerve (L4-S3)