Lecture 10 - Anterior and medial thigh region

Question 1

what 2 things is the pelvis formed by?

Answer 1

Hip bones (Os coxae)

Question 2

where does the pubis, ileum and ischium fuse at?

Answer 2

the acetabulum

Question 3

what type of joint is the hip joint?

Answer 3

ball and socket

Question 4

what is the ball and what is the socket in the hip joint

Answer 4

ball is femur and socket is the acetabulum

Question 5

what is the anterior compartments main function?

Answer 5

extensors of the knee

Question 6

what are the main muscles of the anterior compartment? (6)

Answer 6

1. iliopsoas
2. rectus femoris
3. vastus lateralis
4. sartorius
5. vastus medialis
6. vastus intermedius

Question 7

what 3 muscles make up the iliopsoas?

Answer 7

iliacus. psoas major and psoas minor

Question 8

where does iliopsoas originate?

Answer 8

iliac fossa

Question 9

where does psoas major originate?

Answer 9

vertebral body of lumbar spine

Question 10

where does iliopsoas insert?

Answer 10

lesser trochanter of femur

Question 11

where does rectus femoris originate?

Answer 11

anterior inferior iliac spine

Question 12

what extra function does the rectus femoris have?

Answer 12

assists in FLEXING the knee

Question 13

where does the sartorius muscle originate?

Answer 13

anterior superior iliac spine

Question 14

where does sartorius insert?

Answer 14

proximal part of medial shaft of tibia

Question 15

what position does sartorius muscle help with?

Answer 15

sitting crossed-legged

Question 16

what nerve innervates all the muscles in the anterior compartment

Answer 16

femoral nerve

Question 17

main function of the medial compartment?

Answer 17

adducting the thigh

Question 18

what are the main 6 muscles in medial compartment?

Answer 18

1. adductor magnus
2. adductor longus
3. gracialis
4. obturator externus
5. pectineus
6. adductor brevis

Question 19

what are the two parts of the adductor magnus?

Answer 19

1. adductor portion
2. hamstring portion

Question 20

functions of obturator externus?

Answer 20

1. laterally rotates thigh
2. stabilises thigh

Question 21

pectineus functions

Answer 21

1. flexes thigh and adducts thigh
2. could be anterior/medial

Question 22

gracialis insertion

Answer 22

proximal shaft of medial aspect of tibia

Question 23

what nerves innervates all the medial compartment?

Answer 23

obturator nerve
- peers through obturator foramen

Question 24

what is the superior border of the femoral triangle?

Answer 24

inguinal ligament

Question 25

what is the floor of the femoral triangle

Answer 25

pectineus

Question 26

what is the medial border of femoral triangle?

Answer 26

adductor longus muscle

Question 27

what is the lateral border of the femoral triangle?

Answer 27

sartorius muscle

Question 28

contents of the femoral triangle?

Answer 28

femoral artery, vein and nerve

Question 29

what can be felt in the femoral triangle?

Answer 29

femoral pulse

Question 30

what is the apex of the adductor canal formed between?

Answer 30

sartorius and adductor longus

Question 31

what is the adductor hiatus formed within?

Answer 31

adductor magnus

Question 32

what is the obturator artery a branch of?

Answer 32

internal iliac artery

Question 33

what is the femoral artery a continuation of?

Answer 33

external iliac artery

Question 34

where does the femoral artery name begin?

Answer 34

past the inguinal ligament

Question 35

where is the iliotibial tract and fascia lata?

Answer 35

lateral compartment

Question 36

what does the fascia lata prevent?

Answer 36

outwards expansion of muscles and keeps them compressed when they contract

Question 37

where does deep fascia thicken?

Answer 37

lateral aspect (iliotibial tract)

Question 38

where is there aponeurosis? (2)

Answer 38

1. tensor fascia lata
2. gluteus maximus

Question 39

where does deep fascia insert?

Answer 39

lateral portion of proximal part of tibia and some of fibia

Question 40

what does deep fascia help with?

Answer 40

stabilising the knee