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LE Dermatomes, Myotomes & Injuries

Total questions: 20

Worksheet time: 8mins

Name
Class
Date
1.

What is the innervation level of the following area of skin during the performance of dermatome testing: fibular head and dorsum of the foot.

a)

S1

b)

L5

c)

L4

d)

L3

2.

What is the most common ligament affected by a lateral ankle sprain and list the additional two ligaments that are located within the lateral ligament complex?

a)

Calcaneofibular ligament (CFL), posterior talofibular ligament (PTFL), and anterior talofibular ligament (ATFL)

b)

Deltoid Ligament

c)

Posterior talofibular ligament (PTFL), anterior talofibular ligament (ATFL), and calcaneofibular ligament (CFL)

d)

Anterior talofibular ligament (ATFL), calcaneofibular ligament (CFL), and posterior talofibular ligament (PTFL)

3.

What are the three structures that are involved in the "unhappy triad"?

a)

ACL, MCL, and medial meniscus

b)

PCL, MCL, and lateral meniscus

c)

ACL, LCL, and medial meniscus

d)

PCL, LCL, and lateral meniscus

4.

Piriformis syndrome is often misdiagnosed as it has a near identical symptom presentation as ____________, which is due to herniated disc or stenosis.

a)

L2-L3 radiculopathy

b)

L3-L4 radiculopathy

c)

L5-S1 radiculopathy

d)

S1-S3 radiculopathy

5.

What gait characteristic has a muscle grade of 3 / 5?

a)

Foot drop

b)

Steppage

c)

Foot slap

d)

Equinovarus

6.

What abnormal Q angle would contribute to this malalignment?

a)

10* genu recurvatum

b)

17* genu varum

c)

20* genu valgum

d)

8* genu varum

7.

Non-cemented hips will follow TTWB precautions immediately after surgery

a)

True

b)

False

8.

A hemiarthroplasty hip will have a replacement of what structure(s)?

a)

Femoral head

b)

Femoral head and acetabulum

c)

Acetabulum

d)

Acetabulum and labrum

9.

What lower extremity nerve supplies the area of the skin between our first 2 toes?

a)

Deep peroneal nerve

b)

Superficial peroneal

c)

Saphenous

d)

Sural

10.

It's Christmas night and I'm tip-toeing quietly to see if Santa came. What nerve roots must be intact to allow myself to specifically walk on my toes?

a)

S2

b)

L4-5

c)

S1

d)

S1-3

11.

A patient presents with a nerve injury to her deep peroneal nerve, and experiences dorsi flexor weakness. Which phase of the gait cycle will this patient demonstrate the most difficulty with?

a)

Midswing

b)

Initial swing

c)

Pre-swing

d)

Initial contact

12.

The saphenous nerve is a continuation of what nerve?

a)

Sural

b)

Tibial

c)

Sciatic

d)

Femoral

13.

A 14 year old boy comes to you with pain and point tenderness over the insertion of the patella tendon, and experiences pain with resisted knee extension that is alleviated by rest. What might this boy be experiencing?

a)

Osteoarthritis

b)

ACL sprain

c)

Osgood-schlatter disease

d)

Patellofemoral syndrome

14.

During an initial evaluation, you perform a LQS and check sensation on the middle third of the anterior thigh. What dermatome are you testing?

a)

L1

b)

L2

c)

L3

d)

L4

15.

When reading over a patient’s chart, you see that he is experiencing a severe L5 radiculopathy with peripheralization. What might you expect to see?

a)

Weak ankle DFs with tingling and numbness from the dorsum of the foot up to the knee anteriorly

b)

Weak ankle DFs with tingling and numbness on the lateral foot

c)

Weak PFs with tingling and numbness along the posterior leg

d)

Weak PFs with tingling and numbness on the heel

16.

Reflex testing of the achilles is what nerve root?

a)

L4

b)

L5

c)

S1

d)

S2

17.

A patient received a transfemoral amputation to the right lower extremity following a traumatic accident a week ago. The therapist wants to incorporate activities in the patient's POC to improve ability to control COM over altered BOS. Following amputation, the COM has shifted in all of the following EXCEPT:

a)

Upward

b)

Backward

c)

Toward amputated limb

d)

Toward remaining limb

18.

A patient with DJD of the left hip complains of pain in the anterior hip and groin, which is aggravated by weight bearing. Evaluation shows decreased range of motion and capsular restrictions. A capsular pattern of joint motion should be in which of the following orders?

a)

Hip flexion, abduction, and external rotation

b)

Hip flexion, abduction, and internal rotation

c)

Hip flexion, adduction, and internal rotation

d)

Hip extension, abduction, and external rotation

19.

A 36 year old patient with an unspecified spinal cord injury following a car accident is being assessed using the ASIA Impairment Scale. Which sacral innervation level would determine whether the injury is complete or incomplete?

a)

L5-S1

b)

S1-S2

c)

S2-S3

d)

S4-S5

20.

Reflex testing of the patella is what nerve root?

a)

L3

b)

L4

c)

L5

d)

S1