Knee Flexion

Question 1

Gracilis (origin)

Answer 1

body and inferior ramus of pubis

Question 2

Gracilis (insertion)

Answer 2

pes anserine (medial surface of proximal tibia)

Question 3

Gracilis (action)

Answer 3

knee flexion, hip adduction, IF knee is flexed… medial rotation

Question 4

Gracilis (innervation)

Answer 4

Obturator nerve

Question 5

Gracilis (blood supply)

Answer 5

medial circumflex femoral artery

Question 6

Biceps femoris long head (origin)

Answer 6

ischial tuberosity

Question 7

Biceps femoris long head (insertion)

Answer 7

head of the fibula

Question 8

Biceps femoris long head (action)

Answer 8

hip extension, knee flexion, lateral rotation of knee

Question 9

Biceps femoris long head (innervation)

Answer 9

tibial nerve

Question 10

Biceps femoris long head (blood supply)

Answer 10

deep femoral artery

Question 11

Biceps femoris short head (origin)

Answer 11

linea aspera of femur

Question 12

Biceps femoris short head (insertion)

Answer 12

head of fibula

Question 13

Biceps femoris short head (action)

Answer 13

knee flexion, lateral rotation of knee

Question 14

Biceps femoris short head (innervation)

Answer 14

common fibular nerve

Question 15

Biceps femoris short head (blood supply)

Answer 15

popliteal artery

Question 16

Semimembranosus (origin)

Answer 16

ischial tuberosity

Question 17

Semimembranosus (insertion)

Answer 17

medial condyle of tibia posterior side

Question 18

Semimembranosus (action)

Answer 18

hip extension, knee flexion, medial rotation of knee

Question 19

Semimembranosus (innervation)

Answer 19

tibial nerve

Question 20

Semimembranosus (blood supply)

Answer 20

deep femoral artery & popliteal artery

Question 21

Semitendinosus (origin)

Answer 21

ischial tuberosity

Question 22

Semitendinosus (insertion)

Answer 22

pes anserine (medial surface of proximal tibia)

Question 23

Semitendinosus (action)

Answer 23

hip extension, knee flexion, medial rotation of knee

Question 24

Semitendinosus (innervation)

Answer 24

tibial nerve

Question 25

Semitendinosus (blood supply)

Answer 25

deep femoral artery & popliteal artery

Question 26

Popliteus (origin)

Answer 26

lateral femoral condyle

Question 27

Popliteus (insertion)

Answer 27

proximal 1/3 of posterior tibia

Question 28

Popliteus (action)

Answer 28

medial rotation of tibia on femur, lateral rotation of femur on tibia, knee flexion

Question 29

Popliteus (innervation)

Answer 29

tibial nerve

Question 30

Popliteus (blood supply)

Answer 30

popliteal artery

Question 31

Sartorius (origin)

Answer 31

anterior superior iliac spine

Question 32

Sartorius (insertion)

Answer 32

pes anserine (medial surface of proximal tibia)

Question 33

Sartorius (action)

Answer 33

hip flexion, abduction, lateral rotation of the hip, knee flexion

Question 34

Sartorius (innervation)

Answer 34

femoral nerve

Question 35

Sartorius (blood supply)

Answer 35

5-11 BV