Gluteal and Posterior femoral regions

Question 1

What are the prime movements from mm in gluteal region

Answer 1

ABduction and lateral rotation. As synergists they assist in extension and flexion

Question 2

How many layers are in the posterior femoral compartment

Answer 2

one

Question 3

What are the general functions of mm in the posterior femoral compartment

Answer 3

extend thigh and flex leg

Question 4

origin and insertion of gluteus maximus

Answer 4

origin: between posterior crest of ilium and posterior gluteal line and sacrotuberous ligament
insertion: gluteal tuberosity of femur and IT tract

Question 5

action of gluteus maximus

Answer 5

extension, lateral rotation

when working with IT band it helps to stabilize the knee

Question 6

what inn gluteus maximus

Answer 6

inferior gluteal n

Question 7

origin and insertion of gluteus medius

Answer 7

origin: ilium between posterior and anterior gluteal lines
insertion: greater trochanter of femur

Question 8

what is the action of gluteus medius

Answer 8

ABduct thigh
posterior fibers w/maximus laterally rotate thigh
anterior fibers w/minimus medially rotate thigh

Question 9

When the L limb is unsupported what m levels the sacral base

Answer 9

R gluteus medius with help from minimus

Question 10

what inn gluteus medius

Answer 10

superior gluteal n

Question 11

origin and insertion of gluteus minimus

Answer 11

origin: ilium between anterior and inferior gluteal lines.
insertion: greater trochanter of femur- anterior side

Question 12

what is the action of gluteus minimus

Answer 12

Abduction and medial rotate of thigh

Question 13

what inn gluteus minimus

Answer 13

superior gluteal n

Question 14

origin and insertion of tensor fascia latae

Answer 14

origin: anterior outer portion of iliac crest next to ASIS
insertion: IT tract to lateral tibial condyle

Question 15

what is the action of tensor fascia latae

Answer 15

ABducts, flexes and medially rotates thigh

can maintain knee in extended position

Question 16

what inn tensor fascia latae

Answer 16

superior gluteal n

Question 17

What mm are in the deep gluteal region

Answer 17

piriformis, gemellus superior, obturator internus, gemellus inferior, quadratus femoris

Question 18

origin and insertion piriformis

Answer 18

origin: anterior surface of sacrum, lateral to anterior sacral foramina
insertion: greater trochanter of femur

Question 19

action of piriformis

Answer 19

ABduction of thigh, lateral rotation of thigh

Question 20

what inn piriformis

Answer 20

n to piriformis

Question 21

origin and insertion of gemellus superior

Answer 21

origin: ischial spine
insertion: tendon of obturator internus

Question 22

action of gemellus superior

Answer 22

lateral rotation of thigh

Question 23

what inn gemellus superior

Answer 23

n to obturator internus

Question 24

origin and insertion of obturator internus

Answer 24

origin: internal surface of the obturator membrane and margins of the obturator foramen
insertion: greater trochanter

Question 25

action of obturator internus

Answer 25

lateral rotation and some abduction of thigh

Question 26

what inn obturator internus

Answer 26

n to obturator internus

Question 27

origin and insertion of gemellus inferior

Answer 27

origin: ischial tuberosity near margin of lesser sciatic notch insertion: tendon of obturator internus

Question 28

action of gemellus inferior

Answer 28

lateral rotation of thigh

Question 29

inn to gemellus inferior

Answer 29

n to quadratus femoris

Question 30

origin and insertion of quadrates femoris

Answer 30

origin: ischial tuberosity insertion: midway between trochanters on posterior femur

Question 31

action of quadratus femoris

Answer 31

lateral rotation of thigh

Question 32

inn quadratus femoris

Answer 32

n to quadratus femoris

Question 33

What are the mm of the posterior femoral compartment

Answer 33

biceps femoris, semimembranosus, semitendinosus

Question 34

origin and insertion of biceps femoris

Answer 34

origin: long head- ischial tuberosity short head- middle third lateral lip linea aspera of femur insertion: lateral condyle of tibia, head of fibula

Question 35

action of biceps femoris

Answer 35

long head- extends thigh, flexes knee | short head flexes the leg

Question 36

inn to biceps femoris

Answer 36

long head- tibial component of sciatic | short head- common fibular n

Question 37

origin and insertion of semimembranosus

Answer 37

origin: ischial tuberosity insertion: posterior surface, medial condyle

Question 38

action of semimembranosus

Answer 38

extends thigh, flexes leg and medially rotates leg when knee is flexed

Question 39

inn of semimembranosus

Answer 39

tibial component of sciatic n

Question 40

origin and insertion of semitendinosus

Answer 40

origin: ischial tuberosity insertion: medial anterior surface of tibia below condyle

Question 41

action of semitendinosus

Answer 41

extends thigh, flexes and medially rotates leg when knee is flexed

Question 42

inn of semitendinosus

Answer 42

tibial component of sciatic

Question 43

what mm make up pes anserinus

Answer 43

sartorius, gracilis and semitendinosus

Question 44

what actions do the mm of pes anserinus take up

Answer 44

flex and medial rotate knee when flexed

Question 45

what foramen does the superior gluteal a come through

Answer 45

greater sciatic, superior to piriformis

Question 46

what foramen does the inferior gluteal a come from

Answer 46

greater sciatic inferior to piriformis

Question 47

what are the branches of the superior gluteal a and what do they supply

Answer 47

superficial to gluteus maximus deep to superior and inferior branches superior goes to tensor fascia lata inferior goes to trochanteric fossa

Question 48

what are the branches of inferior gluteal a

Answer 48

muscular, anastomotic branch to cruciate anastomosis, branch to sciatic n, coccygeal and cutaneous

Question 49

what branch of inferior gluteal a pierces sacrotuberous ligament

Answer 49

coccygeal

Question 50

what supplies the posterior femoral compartment

Answer 50

profunda femoral a and v

Question 51

What nn innervate gluteal and posterior thigh

Answer 51

ventral rami of spinal nn L4L5S1S2S3

Question 52

What levels are in the superior gluteal n

Answer 52

L4L5S1

Question 53

where does the superior gluteal n course

Answer 53

between gluteus medius and minimus

Question 54

what does the superior gluteal n innervate

Answer 54

gluteus medius, minimus and tensor fascia lata

Question 55

where does inferior gluteal n course

Answer 55

into gluteus maximus

Question 56

what levels are in inferior gluteal n

Answer 56

L5 S1 S2

Question 57

What levels are in the tibial part of sciatic n

Answer 57

anterior divisions of ventral rami L4 L5 S1 S2 S3

Question 58

what levels are in the common fibular part of sciatic n

Answer 58

psterior divisions of central rami L4 L5 S1 S2 S3

Question 59

where does the sciatic n course

Answer 59

exit pelvis through greater sciatic foramen, passing anterior through substance of piriformis superficial to deep lateral rotators of the thigh and deep to gluetus maximus

Question 60

what branch of inferior gluteal a pierces sacrotuberous ligament

Answer 60

coccygeal

Question 61

what supplies the posterior femoral compartment

Answer 61

profunda femoral a and v

Question 62

What nn innervate gluteal and posterior thigh

Answer 62

ventral rami of spinal nn L4L5S1S2S3

Question 63

What levels are in the superior gluteal n

Answer 63

L4L5S1

Question 64

where does the superior gluteal n course

Answer 64

between gluteus medius and minimus

Question 65

what does the superior gluteal n innervate

Answer 65

gluteus medius, minimus and tensor fascia lata

Question 66

where does inferior gluteal n course

Answer 66

into gluteus maximus

Question 67

what levels are in inferior gluteal n

Answer 67

L5 S1 S2

Question 68

What levels are in the tibial part of sciatic n

Answer 68

anterior divisions of ventral rami L4 L5 S1 S2 S3

Question 69

what levels are in the common fibular part of sciatic n

Answer 69

psterior divisions of central rami L4 L5 S1 S2 S3

Question 70

what does the tibial part of sciatic inn

Answer 70

semimebranosus, semitendinosus, long head biceps femurs and part of adductor magnus

Question 71

what does the common fibular n inn

Answer 71

short head of biceps femurs m