Lower Limb

Question 1

What is the function of the femoral nerve?

Answer 1

Knee extension and thigh flexion

The femoral nerve is responsible for motor functions in the anterior compartment of the thigh.

Question 2

What does the obturator nerve primarily control?

Answer 2

Thigh adduction

The obturator nerve innervates the adductor muscles of the thigh.

Question 3

Which nerve is responsible for foot plantarflexion and inversion?

Answer 3

Tibial nerve

The tibial nerve innervates the muscles in the posterior compartment of the leg.

Question 4

The common peroneal nerve is responsible for which actions?

Answer 4

Foot dorsiflexion and eversion

The common peroneal nerve innervates muscles in the anterior and lateral compartments of the leg.

Question 5

What sensory areas does the lateral cutaneous nerve of the thigh cover?

Answer 5

Lateral and posterior surfaces of the thigh

This nerve provides sensation to the skin over the lateral thigh.

Question 6

What is the primary motor function of the inferior gluteal nerve?

Answer 6

Hip extension and lateral rotation

The inferior gluteal nerve innervates the gluteus maximus muscle.

Question 7

Fill in the blank: The _______ nerve is responsible for hip abduction.

Answer 7

Superior gluteal nerve

The superior gluteal nerve innervates the gluteus medius and minimus muscles.

Question 8

What is meralgia paraesthetica?

Answer 8

A condition characterized by pain, tingling, and numbness in the distribution of the lateral cutaneous nerve

It is caused by compression of the nerve near the ASIS.

Question 9

Which injury mechanism is associated with foot drop?

Answer 9

Injury at the neck of the fibula

Foot drop results from damage to the common peroneal nerve.

Question 10

True or False: The femoral nerve is commonly injured due to its deep and well-protected location.

Answer 10

False

The femoral nerve is not commonly injured as it is well protected.

Question 11

What is a positive Trendelenburg sign indicative of?

Answer 11

Injury to the superior gluteal nerve

It indicates weakness in hip abductor muscles.

Question 12

What difficulty might a person experience with an injured inferior gluteal nerve?

Answer 12

Difficulty rising from a seated position

This injury affects the ability to use the gluteus maximus muscle effectively.

Question 13

What type of injuries can cause damage to the sciatic nerve?

Answer 13

Hip surgery and pelvic fractures

Sciatic nerve injury can often occur in conjunction with other nerve injuries.

Question 14

Femoral nerve motor functions

Answer 14

Knee extension
Thigh flexion

Question 15

Femoral nerve sensory function

Answer 15

Anterior and medial aspect of thigh and lower leg

Question 16

Femoral nerve patterns of injury

Answer 16

Hip and pelvic fracture
Stab/ gunshot wounds

Question 17

Femoral nerve clinical features

Answer 17

Weakness knee extension
Loss of patella reflex
Numbness of thigh

Question 18

Obturator nerve motor function

Answer 18

Thigh addiction

Question 19

Obturator nerve sensory

Answer 19

Medial thigh

Question 20

Obturator nerve injury

Answer 20

Anterior hip dislocation

Question 21

What is the lateral cutaneous nerve of the thigh responsible for?

Answer 21

Sensation in the lateral and posterior surfaces of the thigh

It can be compressed near the ASIS, causing meralgia paraesthetica, characterized by pain, tingling, and numbness.

Question 22

Which nerve is responsible for foot plantarflexion and inversion?

Answer 22

Tibial nerve

The tibial nerve innervates muscles that allow for these movements.

Question 23

Which nerve is responsible for foot dorsiflexion and eversion?

Answer 23

Common peroneal nerve

This nerve plays a crucial role in controlling the movements of the foot.

Question 24

What is the function of the extensor hallucis longus?

Answer 24

Dorsiflexion of the foot and extension of the big toe

It assists in lifting the foot and extending the big toe.

Question 25

Which nerve is responsible for hip abduction?

Answer 25

Superior gluteal nerve ## Footnote This nerve innervates the gluteus medius and minimus muscles.

Question 26

Which nerve is responsible for hip extension and lateral rotation?

Answer 26

Inferior gluteal nerve ## Footnote It primarily innervates the gluteus maximus muscle.

Question 27

What condition is characterized by compression of the lateral cutaneous nerve near the ASIS?

Answer 27

Meralgia paraesthetica ## Footnote Symptoms include pain, tingling, and numbness in the distribution area.

Question 28

How is the common peroneal nerve often injured?

Answer 28

At the neck of the fibula ## Footnote This area is vulnerable due to its superficial location.

Question 29

What can cause foot drop?

Answer 29

Injury to the common peroneal nerve ## Footnote This condition results in difficulty lifting the front part of the foot.

Question 30

What can lead to injury of the common peroneal nerve?

Answer 30

Tightly applied lower limb plaster cast ## Footnote This can compress the nerve and lead to functional deficits.

Question 31

What is a positive Trendelenburg sign indicative of?

Answer 31

Injury to the superior gluteal nerve ## Footnote It signifies weakness in hip abduction, causing pelvic drop on the opposite side.

Question 32

What challenges arise from an injury to the inferior gluteal nerve?

Answer 32

Difficulty rising from a seated position, jumping, and climbing stairs ## Footnote This affects the gluteus maximus muscle's function.

Question 33

Fill in the blank: The _______ nerve is responsible for foot plantarflexion.

Answer 33

Tibial nerve

Question 34

Fill in the blank: Injury to the _______ nerve can result in difficulty with foot dorsiflexion.

Answer 34

Common peroneal nerve

Question 35

True or False: The lateral cutaneous nerve of the thigh is commonly injured due to its superficial location.

Answer 35

False ## Footnote It is not commonly injured as it is deep and well protected.

Question 36

What type of injury can occur due to a posterior hip dislocation?

Answer 36

Injury to the sciatic nerve ## Footnote This can lead to significant functional limitations.

Question 37

Lateral cutaneous nerve of the thigh sensory

Answer 37

Lateral and posterior surfaces of thigh

Question 38

Tibial nerve sensory

Answer 38

Sole of foot

Question 39

Common peroneal nerve sensory

Answer 39

Dorsum of foot and lower lateral part of the leg

Question 40

Superior gluteal nerve injury

Answer 40

Misplaced IM injection Hip surgery Pelvic fracture Posterior hip dislocation +ve trendelenburg sign

Question 41

Inferior gluteal nerve injury

Answer 41

Injury associated with the static nerve

Question 42

Sciatic nerve feature

Answer 42

Weakness knee flexion and foot movements Pain and numbness from gluteal region to ankle

Question 43

Lumbosacral clinicsl features

Answer 43

Weakness in ankle dorsiflexion Numbness of calf and foot