Thigh

Question 1

Pectineus origin?

Answer 1

superior ramus of pubis

Question 2

Pectineus distal?

Answer 2

pectineal line of femur

Question 3

Pectineus innervation?

Answer 3

Femoral nerve and may receive a branch from the obturator nerve

Question 4

Pectineus action?

Answer 4

Adducts and flexes thigh, assists with medial rotation of thigh

Question 5

Psoas major origin?

Answer 5

T12-L5 vertebrae

Question 6

Psoas major distal?

Answer 6

lesser trochanter of femur

Question 7

Psoas major innervation?

Answer 7

Anterior rami of lumbar nerves

Question 8

Psoas major action?

Answer 8

to flex the thigh at the hip joint and helps stabilize the joint

Question 9

Iliacus origin?

Answer 9

iliac crest and fossa, ala of sacrum

Question 10

Illiacus distal?

Answer 10

tendon of psoas major, lesser trochanter

Question 11

Illiacus innervation?

Answer 11

Femoral nerve

Question 12

Illiacus action?

Answer 12

flex the thigh at the hip joint and helps stabilize the joint

Question 13

sartorius origin?

Answer 13

anterior superior iliac spine (ASIS)

Question 14

sartorius distal?

Answer 14

superior part of medial surface of tibia

Question 15

sartorius innervation/action?

Answer 15

Femoral nerve; Flexes, abducts and laterally rotates thigh at hip joint; flexes leg at knee joint (medially rotating leg when the knee is flexed)

Question 16

Quadriceps femoris origin?

Answer 16

Rectus femoris: Anterior inferior iliac spine

Vastus lateralis: greater trochanter and lateral lip of linea aspera of femur

Vastus intermedius: anterior and lateral surfaces of the shaft of the femur

Vastus medialis: intertrochanteric line and medial lip of linea aspera of femur

Question 17

Quadriceps femoris distal?

Answer 17

via common tendon (quadriceps tendon) to patella

Question 18

Quadriceps femoris innervation?

Answer 18

Femoral nerve

Question 19

Quadriceps femoris action?

Answer 19

Extend leg at knee joint; rectus femoris also steadies hip joint and helps iliopsoas flex the thigh

Question 20

adductor longus origin?

Answer 20

pubis inferior to pubic crest

Question 21

adductor longus distal?

Answer 21

middle third of linea aspera

Question 22

adductor longus innervation?

Answer 22

Obturator nerve

Question 23

adductor longus action?

Answer 23

Adducts thigh

Question 24

adductor brevis origin?

Answer 24

inferior ramus of pubis

Question 25

adductor brevis distal?

Answer 25

pectineal line and proximal part of linea aspera

Question 26

adductor brevis innervation?

Answer 26

Obturator nerve

Question 27

adductor brevis action?

Answer 27

Adducts thigh

Question 28

adductor magnus - adductor portion origin?

Answer 28

inferior ramus of pubis, ischial ramus

Question 29

adductor magnus - adductor portion distal?

Answer 29

gluteal tuberosity, linea aspera, medial supracondylar line

Question 30

adductor magnus - adductor portion innervation?

Answer 30

Obturator nerve

Question 31

adductor magnus - adductor portion action?

Answer 31

Adducts the thigh

Question 32

adductor magnus - hamstring portion origin?

Answer 32

ischial tuberosity

Question 33

adductor magnus - hamstring portion distal?

Answer 33

adductor tubercle of femur

Question 34

adductor magnus - hamstring portion innervation?

Answer 34

Tibial division of the sciatic nerve

Question 35

adductor magnus - hamstring portion action?

Answer 35

Extends the thigh

Question 36

gracilis origin?

Answer 36

body and inferior ramus of pubis

Question 37

gracilis distal?

Answer 37

superior part of medial surface of the tibia

Question 38

gracilis innervation?

Answer 38

Obturator nerve

Question 39

gracilis action?

Answer 39

Adducts thigh AND flexes leg, helps rotate leg medially

Question 40

semitendinous origin?

Answer 40

ischial tuberosity

Question 41

semitendinous distal?

Answer 41

medial surface of the superior part of the tibia (pes anserinus)

Question 42

semitendinous innervation?

Answer 42

Tibial division of the sciatic nerve (L5, S1, S2)

Question 43

semitendinous action?

Answer 43

Extends the hip, flexes the knee and rotates it medially

Question 44

semimembranous origin?

Answer 44

ischial tuberosity

Question 45

semimembranous distal?

Answer 45

medial tibial condyle, oblique popliteal ligament, popliteus fascia

Question 46

semimembranous innervation?

Answer 46

Tibial division of the sciatic nerve (L5, S1, S2)

Question 47

semimembranous action?

Answer 47

Extends the hip, flexes the knee and rotates it medially

Question 48

biceps femoris long/short head origin?

Answer 48

Long Head: ischial tuberosity Short Head: linea aspera and supracondylar line of femur *long head is a hamstring muscle

Question 49

biceps femoris long/short head distal?

Answer 49

head of fibula

Question 50

biceps femoris long/short head innervation?

Answer 50

Long Head: tibial division of sciatic nerve (L5, S1, S2) | Short Head: common fibular division of sciatic nerve (L5, S1, S2)

Question 51

biceps femoris long/short head action?

Answer 51

Flexes leg and rotates it laterally when knee is flexed; extends thigh