Thigh

Question 1

superficial fascia

Answer 1

located in between skin and deep fascia

Question 2

Deep fascia components

Answer 2

Fascia lata and iliotibial band (ITB)

Question 3

Fascia lata

Answer 3

actual deep fascia in thigh

Question 4

ITB

Answer 4

Thickening of fascia lata

Question 5

Contents of fascia

Answer 5

cutaneous nerves, and superficial veins

Question 6

Great saphenous vein

Answer 6

largest superficial vein in lower extremity (LE)

Question 7

Great saphenous vein course

Answer 7

Ascends along medial aspect of LE to drain into deep femoral vein in anterior thigh

Question 8

How are compartments in thigh created?

Answer 8

fascial invaginations (intermuscular septa) from deep aspect of fascia lata

Question 9

Compartments in thigh

Answer 9

Anterior, posterior, and medial compartments

Question 10

Muscles in anterior thigh

Answer 10

Psoas major, iliacus, quadriceps femoris, sartorius

Question 11

Psoas major AIM

Answer 11

A: lumbar vertebra to lesser trochanter
I: upper lumbar spinal nerves (L1-L3)
M: hip flexor

Question 12

Iliacus AIM

Answer 12

A: iliac fossa to lesser trochanter
I: Femoral n.
M: hip flexor

Question 13

Muscles in quadriceps femoris

Answer 13

Rectus femoris and vastus medialis, lateralis, and intermedius

Question 14

Rectus femoris A and M

Answer 14

A: anterior inferior iliac spine to tibial tuberosity (crosses hip joint, others don’t)
M: knee extension and hip flexion

Question 15

Vastus medialis A

Answer 15

intertrochanteric line and linea aspera to tibial tuberosity

Question 16

Vastus lateralis A

Answer 16

greater trochanter and linea aspera to tibial tuberosity

Question 17

Vastus intermedius A

Answer 17

anterior femoral shaft to tibial tuberosity

Question 18

Do all muscles in quadriceps femoris cross knee joint?

Answer 18

YES

Question 19

Quadriceps femoris I and M

Answer 19

I: Femoral nerve
M: knee extension

Question 20

Sartorius AIM

Answer 20

A: ASIS to proximal tibia (medial)
I: femoral nerve
M: hip flexion, abduction and external/lateral rotation (ER/LR) and knee flexion

Question 21

Muscles in medial compartment of thigh

Answer 21

pectineus, adductor longus, adductor brevis, gracilis, and adductor magnus

Question 22

pectineus AIM

Answer 22

A: pubic bone to pectineal line
I: femoral and obturator nerves
M: hip adduction

Question 23

Adductor longus AIM

Answer 23

A: pubic bone to linea aspera
I: Obturator
M: hip adduction

Question 24

Adductor brevis AIM

Answer 24

A: pubic bone to linea aspera
I: Obturator
M: hip adduction

Question 25

Location of adductor brevis

Answer 25

deep to adductor longus and pectineus

Question 26

Gracilis AIM

Answer 26

A: pubic bone passing posterior axis of knee joint to proximal tibia (medial) I: obturator M: hip adduction and knee flexion

Question 27

Adductor magnus AIM

Answer 27

A: Pelvis to linea aspera and adductor tubercle I: obturator and tibial nerves M: hip adduction

Question 28

Which is the largest adductor muscle?

Answer 28

Adductor magnus

Question 29

Where do vessels pass through in thigh?

Answer 29

pass through adductor hiatus created by the attachment adductor magnus posteriorly

Question 30

Muscles in posterior compartment of thigh

Answer 30

Semitendinosus, semimembranosus, biceps femoris (long head), biceps femoris (short head)

Question 31

Semitendinosus AIM

Answer 31

A: ischial tuberosity to proximal tibia (medial and most superficial) I: Tibial nerve M: Hip extension, knee flexion

Question 32

Semimembranosus AIM

Answer 32

A: Ischial tuberosity to proximal tibia (medial tibial condyle) I: Tibial nerve M: hip extension, knee flexion

Question 33

Biceps femoris long head AIM

Answer 33

A: ischial tuberosity then crosses knee to fibular head I: tibial nerve M: hip extension, knee flexion

Question 34

Biceps femoris short head AIM

Answer 34

A: linea aspera then crosses knee to fibular head I: common fibular nerve M: knee flexion

Question 35

Which muscles in posterior compartment attach to hip?

Answer 35

Semitendinosus, semimembranosus, and biceps femoris long head

Question 36

femoral nerve enters ____ and provides what kind of innervation where?

Answer 36

enters LE by passing deep to inguinal ligament, motor to anterior compartment of thigh No motor innervation below the knee, only sensory branch

Question 37

obturator nerve enters ____ and provides what kind of innervation where?

Answer 37

enters LE by passing through obturator canal, motor branches to medial thigh compartment No motor innervation below the knee

Question 38

sciatic nerve

Answer 38

passes through the glueal region | 2 nerves wrapped into a bundle with CT

Question 39

Does sciatic nerve innervate gluteal muscles?

Answer 39

No

Question 40

Nerves within sciatic nerve

Answer 40

Tibial and common fibular nerves

Question 41

Tibial nerve

Answer 41

innervates semimembranosus, semitendinosus, and biceps femoris long head

Question 42

Common fibular nerve

Answer 42

innervates biceps femoris short head

Question 43

Do tibial and common fibular nerves pass into leg?

Answer 43

YES

Question 44

What is femoral artery and is it major or minor for thigh?

Answer 44

continuation of external iliac artery | Major source of blood supply to thigh

Question 45

What is obturator and is it major of minor for thigh?

Answer 45

branch of internal iliac artery | Minor source of blood to thigh