Anterior and Medial Thigh / Knee

Question 1

sartorius O

Answer 1

anterior superior iliac spine

superior part of notch inferior to it

Question 2

sartorius I

Answer 2

superior part of medial surface of tibia

Question 3

sartorius innervation

Answer 3

femoral nerve (L2,L3)

Question 4

sartorius action

Answer 4

flexes, abducts, and laterally rotates hip joint

flexes knee joint

Question 5

rectus femoris O

Answer 5

anterior inferior iliac spine

ilium superior to acetabulum

Question 6

rectus femoris I

Answer 6

via common tendinous (quadriceps tendon)
independent attachment to patella
indirectly via patellar ligament to tibial tuberosity

Question 7

rectus femoris innervation

Answer 7

femoral nerve L2,L3,L4

Question 8

rectus femoris action

Answer 8

extends knee joint
stabilizes hip joint
helps iliopsoas flex hip joint

Question 9

vastus lateralis O

Answer 9

greater trochanter and latral lip of linea aspera

Question 10

vastus lateralis I

Answer 10

via common tendinous (quadriceps tendon)
independent attachment to patella
indirectly via patellar ligament to tibial tuberosity
also attaches to tibia and patella via aponeurosis (medial and lateral patellar retinacula)

Question 11

vastus lateralis innervation

Answer 11

femoral nerve L2,L3,L4

Question 12

vastus lateralis action

Answer 12

extends knee joint

Question 13

vastus medialis O

Answer 13

intertrochanteric line and medial lip of linea aspera

Question 14

vastus medialis I

Answer 14

via common tendinous (quadriceps tendon)
independent attachment to patella
indirectly via patellar ligament to tibial tuberosity

also attaches to tibia and patella via aponeurosis (medial and lateral patellar retinacula)`

Question 15

vastus medialis innervation

Answer 15

femoral nerve (L2,L3,L4)

Question 16

vastus medialis action

Answer 16

extends knee joint

Question 17

vastus intermedius O

Answer 17

anterior and lateral surfaces of shaft of femur

Question 18

vastus intermedius I

Answer 18

via common tendinous (quadriceps tendon)
independent attachment to patella
indirectly via patellar ligament to tibial tuberosity

Question 19

vastus intermedius innervation

Answer 19

femoral nerve (L2,L3,L4)

Question 20

vastus intermedius action

Answer 20

extends knee

Question 21

pectineus O

Answer 21

superior ramus of pubis

Question 22

pectineus I

Answer 22

pectineal line of femur, just inferior to lesser trochanter

Question 23

pectineus innervation

Answer 23

femoral nerve (L2,L3)
may receive branch from obturator nerve

Question 24

pectineus action

Answer 24

adducts and flexes hip joint

assists with medial rotation of hip joint

Question 25

adductor longus O

Answer 25

body of pubis inferior ro pubic crest

Question 26

addcutor longus I

Answer 26

middle third of linea aspera of femur

Question 27

adductor longus innervation

Answer 27

obturator nerve (L2,L3,L4)

Question 28

adductor longus action

Answer 28

adducts hip joint

Question 29

adductor brevis O

Answer 29

body and inferior ramus of pubis

Question 30

adductor brevis I

Answer 30

pectineal line and proximal part of linea aspera of femur

Question 31

adductor brevis innervation

Answer 31

obturator nerve (L2,L3,L4)

Question 32

adductor brevis action

Answer 32

adducts hip joint and to some extend flexes it

Question 33

adductro magnus O

Answer 33

adductor part: inferior ramus of pubis
ramus of ischium
hamstring part: ischial tuberosity

Question 34

adductor magnus I

Answer 34

adductor part: gluteal tuberosity, linea aspera, medial supracondylar line

hamstring part: adductor tubercle of femur

Question 35

adductor magnus innervation

Answer 35

adductor part: obturator nerve (L2,L3,L4)

hamstring part: tibial part of sciatic nerve (L4)

Question 36

adductor magnus action

Answer 36

adducts hip joint
adductor part also flexes hip joint
hamstring part extends hip joint

Question 37

gracilis O

Answer 37

body and inferior ramus of pubis

Question 38

gracilis I

Answer 38

superior part of medial surface of tibia

Question 39

gracilis innervation

Answer 39

obturator nerve 9L2,L3)

Question 40

gracilis action

Answer 40

adducts hip joint
flexes knee joint
helps rotate medially