Thigh

Question 1

Parts of the innominate

Answer 1

ilium:
- body
- iliac crest
- iliac fossa
- anterior superior iliac spine
- anterior inferior iliac spine
- posterior superior iliac spine
ischium:
- body
- isiopubic ramus
- ischial tuberosity
pubis:
- body obturator foramen
- superior pubic ramus

Question 2

quadriceps

Answer 2

• all muscles insert into the quadriceps tendon

Question 3

acetabular-femoral joint

Answer 3

type:
- ball and socket
movement:
- flexion/extension
- abduction/adduction
- medial/lateral rotation

Question 4

compartments of the thigh

Answer 4

posterior:
- sciatic nerve
anterior:
- femoral nerve
medial:
- obturator nerve (originates from the lumbosacral plexus, exists the pelvis through the obturator foramen)

Question 5

sartorius

Answer 5

origin:
- anterior superior iliac spine
insertion:
- medial surface of proximal tibia
innervation:
- anterior compartment (FN)
function:
- hip/knee flexion

Question 6

rectus femoris

Answer 6

origin:
- anterior inferior iliac spine
insertion:
- quadriceps femoris tendon
innervation:
- anterior compartment (FN)

Question 7

vastus lateralis

Answer 7

origin:
- greater trochanter
- linea aspera
insertion:
- quadriceps femoris tendon
innervation:
- anterior compartment (FN)
function:
- knee extension

Question 8

vastus medialis

Answer 8

origin:
- lesser trochanter
- linea aspera (medial)
insertion:
- quadriceps femoris tendon
innervation:
- anterior compartment (FN)
function:
- knee extension

Question 9

vastus intermedius

Answer 9

origin:
- antero-lateral femur
insertion:
- quadriceps femoris tendon
innervation: anterior compartment (FN)
function:
- knee extension

Question 10

adductor brevis

Answer 10

origin:
- ischio-pubic ramus
insertion:
- linea aspera
innervation:
- medial compartment (ON)
function:
- hip adduction

Question 11

adductor longus

Answer 11

origin:
- pubic body
insertion:
- linea aspera
innervation:
- medial compartment (ON)
function:
- hip adduction

Question 12

adductor magnus

Answer 12

origin:
- adductor: ischiopubic ramus
- hamstring: ischial tuberosity
insertion:
- adductor: linea aspera
- hamstring: adductor tuberosity
innervation:
- medical compartment (ON)
function:
- adductor: hip adduction
- hamstring: hip extension

Question 13

semitendinosus

Answer 13

origin:
- ischial tuberosity
insertion:
- medial surface of proximal tibia
innervation:
- posterior compartment (SN)
function:
- knee flexion
- hip extension

Question 14

semimembranosus

Answer 14

origin:
- ischial tuberosity
insertion:
- posterior surface of medial tibial condyle
innervation:
- posterior compartment (SN)
function:
- knee flexion
- hip extension

Question 15

popliteal fossa

Answer 15

proximal section:
-medial by distal segments of semimembranosus and semitendinosus muscles
- lateral by distal end of biceps femoris muscle
distal section:
- medial by lateral respective medial and lateral heads of gastrocnemius muscles
nerves:
- sciatic nerve (common fibular, and tibial)
arteries and veins:
- popliteal artery/vein

Question 16

what muscles are in the posterior compartment and what nerve innervates it

Answer 16

sciatic nerve
- biceps femoris
- semitendinosus
- semimembranosus

Question 17

what muscles are in the anterior compartment and what nerve innervates it

Answer 17

femoral nerve
- vastus medialis
- vastus lateralis
- vastus intermedius
- rectus femoris

Question 18

what muscles are in the medial compartment and what nerve innervates it

Answer 18

obturator nerve
- adductor brevis
- adductor longus
- adductor magnus