Thigh muscles

Question 1

What is the innervation of Biceps femoris?

Answer 1

The sciatic nerve L5,S1,S2

Question 2

where does the long head of biceps femoris originate?

Answer 2

The ischial tuberosity - Inferomedial part

Question 3

Where does the short head of biceps femoris originate?

Answer 3

Linea aspera - lateral lip

Question 4

What is the function of biceps femoris?

Answer 4

Extension of thigh
Lateral rotation
Flexes leg at knee joint

Question 5

Which three muscles make up the hamstrings?

Answer 5

Biceps Femoris
Semimembranosus
Semitendinosus

Question 6

Where does semitendinosus originate?

Answer 6

Ischial tuberosity - inferiomedial part

Question 7

Where does semitendinosus insert?

Answer 7

proximal tibia - medial surface

Question 8

what is the innervation of the hamstring muscles?

Answer 8

Sciatic nerve L5, S1, S2

Question 9

What is the innervation of semitendinosus?

Answer 9

Sciatic nerve

Question 10

What is the function of semitendinosus?

Answer 10

Extend thigh at hip joint
Medial rotation
Flexes leg at knee joint

Question 11

What is the origin of semimembranosus?

Answer 11

Ischial tuberosity - superolateral impression

Question 12

Where does semimembranosus insert?

Answer 12

Medial tibial condyle - groove and adjacent bone

Question 13

Which hamstring inserts onto the medial tibial condyle?

Answer 13

Semimembranosus

Question 14

What innervates the semimembranosus muscle?

Answer 14

Sciatic nerve

Question 15

What are the functions of Semimembranosus

Answer 15

Extend thigh at hip joint
Medial rotation
Flex leg at knee joint

Question 16

Which hamstring laterally rotates the thigh?

Answer 16

Biceps femoris

Question 17

which muscles medially rotate thigh?

Answer 17

Semimembranosus and semitendinosus

Question 18

Name the two parts of adductor magnus?

Answer 18

The adductor part and the Hamstring part

Question 19

Where does the hamstring part of adductor magnus originate?

Answer 19

Ischial tuberosity

Question 20

where does the adductor part of adductor magnus originate?

Answer 20

The ischiopubic ramus

Question 21

Where does the Hamstring part of adductor magnus insert?

Answer 21

The Supracondyler line and the adductor tubercle

Question 22

Where does the adductor part of adductor magnus insert?

Answer 22

Linea asper and posterior surface of femur

Question 23

Innervation of Adductor part of adductor magnus?

Answer 23

Obturator nerve L2,L3,L4

Question 24

Innervation of Hamstring part of adductor magnus?

Answer 24

Sciatic Nerve L2, L3, L4

Question 25

What is the function of adductor magnus?

Answer 25

Adducts and medially rotates thigh at hip joint

Question 26

Where does sartorius originate?

Answer 26

Anterior superior iliac spine

Question 27

Which muscle inserts into the anterior surface of the tibia, inferolaterally to tibial tuberosity?

Answer 27

Sartorius

Question 28

Where does Sartorius insert?

Answer 28

Anterior surface of tibia

Question 29

What is the innervation of sartorius?

Answer 29

Femoral nerve L2,L3

Question 30

What is the function of sartorius?

Answer 30

Flexes thigh at hip joint | Flexes leg at knee joint

Question 31

Which muscle originates from transverse processes of T12 to L5 vertebrae?

Answer 31

psoas major

Question 32

Which muscle originates from the internal surface of the iliac fossa

Answer 32

Iiacus

Question 33

Where does iliopsoas muscle insert?

Answer 33

lesser trochanter of femur

Question 34

What is the function of iliopsoas?

Answer 34

Flexion of thigh at hip joint

Question 35

What is the innervation of the iliopsoas muscle?

Answer 35

Femoral nerve L2,L3

Question 36

Which muscle originates from both the anterior inferior iliac spine and the ilium?

Answer 36

Rectus femoris

Question 37

Where does rectus femoris insert?

Answer 37

Quadriceps femoris tendon

Question 38

Which nerve innervates rectus femoris?

Answer 38

Femoral nerve L2,L3,L4

Question 39

what is the function of rectus femoris?

Answer 39

Flex thigh at hip joint and extend leg at knee joint

Question 40

Where does Vastus medialis originate?

Answer 40

Femur - intertrochanteric line, pectineal line, lines aspera, supracondylar line

Question 41

Where does vastus medialis insert?

Answer 41

Quadriceps femoris tendon and medial margin of patella

Question 42

all vastus medialis, intermedialis and lateralis are innervated by which nerve?

Answer 42

Femoral nerve

Question 43

What is the function of vastus medialis, Vastus intermedius, and lateralis?

Answer 43

Extend leg at knee joint

Question 44

which muscle originates from the external body of pubis, the inferior pubic ramus, and the ramus of ischium?

Answer 44

Gracilis

Question 45

Where does gracilis insert?

Answer 45

Tibia - medial surface of proximal shaft

Question 46

Innervation of gracilis?

Answer 46

obturator nerve L2,L3

Question 47

what is the function of gracilis?

Answer 47

Flexes leg at knee joint

Question 48

which muscle originates from the pectineal line and adjacent bone of pelvis?

Answer 48

Pectineus

Question 49

Where does pectineus insert?

Answer 49

line extending from lesser trochanter to line aspera

Question 50

What is the innervation of pectineus?

Answer 50

Femoral nerve L2,L3

Question 51

what does pectineus do?

Answer 51

Adducts and flexes thigh at hip joint

Question 52

Which muscles originate from the external surface of body of pubis?

Answer 52

Adductor longs and adductor brevis

Question 53

Where does adductor longs insert?

Answer 53

Linea aspera - middle one third of shaft of femur

Question 54

Which adductor muscles does the obturator nerve innervate?

Answer 54

Adductor longus Adductor brevis Adductor part of adductor magnus

Question 55

What is the function of adductor longus?

Answer 55

Adducts and medial rotates thigh

Question 56

Which adductor muscle only adducts the thigh and does not medially rotate it?

Answer 56

Adductor brevis

Question 57

Where does adductor brevis insert?

Answer 57

linea aspera - upper third

Question 58

which muscle originates from external surface of obturator membrane and bone?

Answer 58

Obturator externus

Question 59

Where does obturator externus insert?

Answer 59

Trochanteric fossa

Question 60

What is the innervation of obturator externus?

Answer 60

Obturator nerve

Question 61

What is the function of obturator externus?

Answer 61

Laterally rotates thigh at hip joint.