Muslce of the Thigh

Question 1

What nerve supplies the anterior thigh muscles?

Answer 1

Femoral nerve

Question 2

Name all of the anterior thigh muslces (I Saw a Pretty Queen)

Answer 2

I: iliopsoas (iliacus and psoas)
S: Sartorius
P: Pectinues
Q: Quads

Question 3

What two muscles compose the iliopsoas?

Answer 3

Iliacus and Psoas

Question 4

Where do the iliacus and psoas insert?

Answer 4

Lesser trochanter

Question 5

What is the function of the iliacus and psoas?

Answer 5

Thigh flexion

Question 6

What is the origin on the iliacus?

Answer 6

Upper 2/3 of iliac fossa of ilium, internal lip of iliac crest, lateral aspect of sacrum, ventral sacroiliac ligament, and lower portion of iliolumbar ligament

Question 7

What is the origin of the psoas?

Answer 7

T12-L5

Question 8

What is the origin and insertion of the Sartorius?

Answer 8

Anterior superior iliac spine

Medial tibia

Question 9

What is the function of the Sartorius?

Answer 9

Flexion and Lateral rotation

Question 10

What is the origin and insertion of the Pectineus?

Answer 10

Pectin pubis and pectineal line of the femur

Question 11

Where does the Pectineus insert?

Answer 11

Pectineal line

Question 12

What is the function of the Pectineus?

Answer 12

Adduction and flexion

Question 13

What are the four Quadriceps muscles?

Answer 13

The Rectus femoris, Vastus Lateralis, Vastus Intermedius, Vastus Medialis

Question 14

What Quadricep muslce is superficial?

Answer 14

Rectus Femoris

Question 15

What is the function of the Quads?

Answer 15

Knee extension

Question 16

What is the insertion point of the Quads?

Answer 16

Quadricep tendon

Question 17

What is the blood supply to the Quads?

Answer 17

Lateral circumflex artery

Question 18

What is the only Quadricep to originate from the Ilium?

Answer 18

Rectus Femoris

Question 19

What are the medial thigh muscles?

Answer 19

Graciilis
Adductor Longus
Adductor Brevis
Adductor Magnus

Question 20

What is the order of the medial thigh muslces (top and smallest to bottom and longest)

Answer 20

Adductor Brevis
Adductor Longus
Adductor Magnus
Graciilis

Question 21

What is the common function of the Medial thigh muslces?

Answer 21

Adduction and Leg flexion

Question 22

What is the origin and insertion of the Graciilis?

Answer 22

Inferior margin of pubic symphysis, inferior ramus of pubis, and adjacent ramus of ischium
Medial surface of tibial shaft, just posterior to sartorius

Question 23

The Graciilis inserts very close to the Sartorius, is it’s insertion posterior or anterior?

Answer 23

Posterior

Question 24

What is the nerve supply of the Graciilis, Adductor Brevis, Adductor Longus and adductor part of the Adductor Magnus?

Answer 24

Obturator Nerve

Question 25

What are the two parts of the Adductor Magnus?

Answer 25

The Adductor part and Hamstring part

Question 26

What is the nerve supply to the two different parts of the Adductor Magnus?

Answer 26

Adductor Part: Obturator nerve | Hamstring Part: Sciatic nerve

Question 27

What are the three hamstrings?

Answer 27

Semitendinosus Semimembranosus Biceps Femoris

Question 28

What is the order of the hamstrings, medial to lateral?

Answer 28

Semimembranosus, Semitendinosus, Biceps Femoris

Question 29

What is the innervation of the Hamstrings?

Answer 29

``` Sciatic nerve: Semimembranosus: Tibial Semitendinosus: Tibial Biceps long head: Tibial Biceps Short head: Common Peroneal ```

Question 30

What is the blood supply of the Hamstrings?

Answer 30

Profundus artery

Question 31

What is the function of the Semitendinosus and Semimembranosus?

Answer 31

Extends Thigh and Flexes knee

Question 32

What is the function of the Biceps?

Answer 32

Flexes knee and rotates tibia laterally | The long head also functions to laterally rotate

Question 33

Where do the semimembranosus and semitendinosus originate and insert?

Answer 33

Ischial tuberosity and Tibia

Question 34

Where does the biceps femoris insert?

Answer 34

Fibula