MSK anatomy

Question 1

how many compartments are in the thigh and what are they called

Answer 1

3. anterior, medial and posterior

Question 2

give 3 actions of the sartorius muscle at the hip and one action at the knee

Answer 2

hip= flexor, abductor and lateral rotator. knee=flexor

Question 3

what muscle forms the base of the femoral triangle

Answer 3

pectineus

Question 4

what is the general function of the anterior compartment of the thigh

Answer 4

extend the leg at the knee joint

Question 5

what are the 4 muscles that make up quadratus femoris

Answer 5

rectus femoris, vastus medialis, intermedius and lateralis

Question 6

where do all 4 quadriceps muscles insert?

Answer 6

the patella tendon (the quadriceps femoris tendon)

Question 7

all the quadriceps muscles act to stabilise the patella apart from which one

Answer 7

rectus femoris

Question 8

name the muscles in the medial compartment of the thigh

Answer 8

adductor magnus, gracilis, adductor brevis and longus, obturator internus

Question 9

is adductor brevis or longus more anterior and what compartment of the leg are they in?

Answer 9

adductor longus (adductor longus, adductor brevis, adductor magnus). medial

Question 10

all the muscles of the medial compartment of the thing medially rotate the thigh at the hip joint apart from which other 2 muscles and what do they do instead?

Answer 10

gracilis, doesnt do any rotation. obturator externus, laterally rotates