MSK - lower limb

Question 1

name the primary blood supply to the head of femur

Answer 1

medial circumflex femoral artery

Question 2

what are the 3 articulations of the knee

Answer 2

2x tibiofemoral (medial and lateral) 
1x patellofemoral

Question 3

what type of cartilage are the knee menisci

Answer 3

fibrocartilage

Question 4

nerves that supply the gluteal region leave the pelvis via the lesser sciatic foramen? true?

Answer 4

no - nerves that supply the gluteal region leave the pelvis via the greater sciatic foramen

nerves that supply the perineum leave via the lesser sciatic foramen

Question 5

what lumbar region does the sciatic nerve leave from

Answer 5

L4 to S3

Question 6

what lumbar region does the pudenal nerve leave from and where is it the main nerve supply to

Answer 6

S2 to S4

main nerve supply to the perineum

Question 7

which lumbar region does the posterior cutaneous nerve of thigh leave from

Answer 7

S1 - S3

Question 8

which nerve supplies the superficial gluteal muscles

Answer 8

the superior gluteal nerve

Question 9

which nerve supplies the deep muscle group around glutes

Answer 9

supplied by nerves from the sacral plexus

Question 10

which muscle group is responsible for medial rotation of thigh? superficial or deep gluteal muscle group

Answer 10

superficial group- also responsible for extension and abduction

the deep group is responsible for lateral rotation

Question 11

in trendelenbergs gait, which muscle is at fault for the weak hip abduction

Answer 11

gluteus medius

Question 12

does the hip drop on the same side or the opposite side of the affected hip

Answer 12

hip drops on CONTRALATERAL SIDE

Question 13

which nerve supplies the anterior compartment of thigh

Answer 13

femoral nerve

L2,3,4

Question 14

which nerve supplies the medial compartment of thigh

Answer 14

obturator nerve

L2,3,4

Question 15

which nerve supplies the posterior compartment of thigh

Answer 15

tibial division of sciatic nerve

L5, S1, S2

Question 16

what is the superior and medial boundary of the femoral triangle

Answer 16

superior = inguinal ligament 
medial = adductor longus (lateral border of it)

Question 17

what makes up the lateral border and the floor of the femoral triangle

Answer 17

lateral = sartorius (medial border of it)
floor = illeopsoas and pectineus

Question 18

what makes up the roof of the femoral triangle

Answer 18

deep fascia

Question 19

what compartment and nerve is affected when a patient presents with foot drop

Answer 19

loss of dorsiflexion
loss of muscle action in anterior compartment of leg
deep fibular nerve is affected

Question 20

what 2 nerves are in the popliteal fossa

Answer 20

tibial (division of the sciatic) and common fibular nerves

Question 21

what is the superiolateral border of the popliteal fossa

Answer 21

biceps femoris

Question 22

what is the superiomedial border of the popliteal fossa

Answer 22

semimembrenosus

Question 23

what is the inferior border of the popliteal fossa

Answer 23

gastrocnemius

Question 24

what nerve roots does the ankle jerk reflex test and what is the normal response

Answer 24

S1 & S2

normal response is plantar flexion

Question 25

what muscles make up the Achilles tendon

Answer 25

soleus and gastrocnemius