Muscle compartments of the lower limb

Question 1

What muscle compartments are innervated by the tibial nerve?

Answer 1

1. Posterior thigh
2. Posterior leg (superficial)
3. Posterior leg (deep)

Question 2

Which compartment is innervated by the superficial peroneal nerve?

Answer 2

The lateral leg

Question 3

Which muscle compartment has the general action of ankle eversion?

Answer 3

Lateral leg

Question 4

Which compartment does the obturator nerve supply?

Answer 4

the medial thigh compartment

Question 5

What are the 3 muscle compartments that can be seen anteriorly?

Answer 5

1. Anterior thigh compartment
2. Medial thigh compartment
3. Anterior leg compartment

Question 6

What muscle compartment is this?

Answer 6

the superior gluteal

Question 7

Which nerve supplies the inferior gluteal compartment?

Answer 7

the inferior gluteal nerve

Question 8

What muscle compartment is this?

Answer 8

The posterior leg (deep)

Question 9

What is the main action of muscles in the posterior leg compartment (superficial)

Answer 9

flexion of the ankle

Question 10

Which 6 muscle compartments are visible from the posterior aspect of the lower limb?

Answer 10

1. superior gluteal
2. inferior gluteal
3. posterior thigh
4. posterior leg - superficial
5. posterior leg - deep
6. lateral leg

Question 11

Which nerve supplies the anterior leg compartment?

Answer 11

The deep peroneal nerve

Question 12

What muscle compartment is this?

Answer 12

The posterior thigh

Question 13

Which muscle compartment has the common muscle actions of ankle extension and toe extension?

Answer 13

The anterior leg compartment

Question 14

What muscle compartment is this?

Answer 14

The lateral leg

Question 15

What is the general action of the muscles in the medial thigh compartment?

Answer 15

adduction of the hip

Question 16

Which muscle compartment is this?

Answer 16

The medial thigh

Question 17

What 5 muscles make up the anterior compartment of the thigh?

Answer 17

1. Sartorius
2. Rectus femoris
3. Vastus medialis
4. Vastus lateralis
5. Vastus intermedius

Question 18

Which nerve supplies every muscle in the anterior compartment of the thigh?

Answer 18

The femoral nerve

Question 19

Which of the 6 muscles in the anterior compartment of the thigh does NOT extend the knee?

Answer 19

The sartorius

Question 20

Which muscle compartment is this?

Answer 20

The anterior leg

Question 21

What muscles in the anterior compartment of the thigh flex the hip? (2)

Answer 21

1. Sartorius
2. Rectus femoris

Question 22

What is the general action of the muscles in the inferior gluteal compartment?

Answer 22

extension of the hip

Question 23

What are the 3 actions of the sartorius muscle?

Answer 23

1. flexion of the hip
2. lateral rotation of the hip
3. flexion of the knee

Question 24

True or false?

The posterior thigh compartment is in charge of flexion of the hip and extension of the knee

Answer 24

False

The posterior thigh is in charge of extension of the hip and flexion of the knee

The anterior thigh is flexion of the hip and extension of the knee

Question 25

Which muscle compartment flexes the toes and flexes the ankle

Answer 25

Posterior leg (deep)

Question 26

What is significant about muscle compartments?

Answer 26

* muscles within these groups often cross the same joints in the same way * so will have the same actions * they tend to all receive the same blood and nerve supply

Question 27

What muscle compartment is this?

Answer 27

The posterior leg - superficial

Question 28

Generally speaking, the muscles in the anterior thigh are…

Answer 28

Knee extensors and hip flexors

Question 29

Asides from extending the knee, what other function does the vastus medialis in the anterior thigh compartment have?

Answer 29

medial deviation of the kneecap

Question 30

What muscle compartment is this?

Answer 30

The inferior gluteal

Question 31

What is the general action of the superior gluteal compartment?

Answer 31

abduction of hip

Question 32

What muscle compartment does the superior gluteal nerve innervate?

Answer 32

the superior gluteal compartment

Question 33

Which muscle compartment is this?

Answer 33

The anterior thigh