LE Peripheral Nerves Flashcards

1
Q

You suspect your patient has carpal tunnel syndrome, if you are correct, which thumb muscle would test at 5/5?

A. Adductor pollicis
B. Opponens Pollicis
C. Flexor digitorum superficialis
D. Flexor pollicus brevis
E. Flexor digitorum profundus

A

A. Adductor pollicis

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2
Q

What test is used to test for the PRESENCE of an anterior dislocation of the shoulder?

A

Dugas

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3
Q

What muscle(s) is/are used to evaluate an L4 MRS?

A

Tibialis anterior and quadriceps

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4
Q

What muscle(s) is/are used to evaluate an L5 MRS?

A

Extensor hallicus longus and brevis
Extensor digitorum
ABductors

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5
Q

What muscle(s) is/are used to evaluate an S1 MRS?

A

Peroneus longus and brevis
Gastrocnemius
Soleus
Gluteus maximus

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6
Q

What type of pain is usually described as cramping, spasm, or aching?

A. Neurologic
B. Dermatogenous
C. Sclerotogenous
D. Myotogenous
E. Vascular

A

D. Myotogenous

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7
Q

What is neurologic pain?

A

Pain coming from or along nerves described as sharp, radiating, numbness, shooting, or shock-like pain

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8
Q

What is dermatogenous pain?

A

Neural pain following dermatomes

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9
Q

What is sclerotogenous pain?

A

Referred pain that occurs when there is a sensory irritation to a structure that shared embryological mesodermal innervation described as shooting, radiating, and causalgia

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10
Q

What is myotogenous pain?

A

Pain originating from within muscle such as with trigger point referral described as cramping, spasm, or aching

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11
Q

What is causalgia?

A

Burning pain

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12
Q

What is vascular pain?

A

Pain that is throbbing or pulsating and worsened with activity

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13
Q

What are the peripheral nerves of the lower extremity?

A

Femoral
Obturator
Superficial peroneal
Deep peroneal
Tibial
Superior gluteal nerve
Inferior gluteal nerve
Common peroneal

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14
Q

What are the spinal levels of the femoral nerve?

A

L2-L4

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15
Q

What are the spinal levels of the obturator nerve?

A

L2-L4

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16
Q

What are the spinal levels of the sciatic nerve?

A

L4-S3

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17
Q

Where is the pure patch for the femoral nerve?

A

Anterior thigh

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18
Q

Where is the pure patch for the obturator nerve?

A

Vastus medialis medially just above the knee

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19
Q

Where is the pure patch for the superficial peroneal nerve?

A

Lateral aspect of the lower leg

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20
Q

Where is the pure patch for the deep peroneal nerve?

A

Web between the 1st and 2nd metatarsals

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21
Q

Where is the pure patch for the tibial nerve?

A

Heel of the foot

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22
Q

A dorsiflexion and eversion ankle sprain can cause damage to what nerve?

A

Common peroneal nerve

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23
Q

What are the branches of the common fibular nerve?

A

Superficial fibular nerve and deep fibular nerve

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24
Q

Where is the pure patch for the common peroneal nerve?

A

Head of the fibula

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25
Q

What is the muscle and reflex test for the common peroneal nerve?

A

NONE

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26
Q

What nerve wraps around the head of the fibula?

A

Common peroneal nerve

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27
Q

What muscle is the most commonly used and the smallest muscle tested first for a femoral nerve MRS?

A

Sartorius

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28
Q

What muscles are tested for a femoral nerve MRS?

A

Sartorius
Quadriceps
Iliopsoas

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29
Q

What is the longest muscle in the body?

A

Sartorius

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30
Q

How is a muscle test for the sartorius performed for a femoral nerve MRS?

A

Position patients leg in flexion, external rotation of the hip, and knee flexion.
Doctors inferior hand pulls as the superior hand pushes inferiorly to straighten out the leg

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31
Q

How is a muscle test for the quadriceps performed for a femoral nerve MRS?

A

Patient seated with knee extended to 120 degrees.
Doctor challenges to flex the knee against resistance

32
Q

How is a muscle test for the iliopsoas performed for a femoral nerve MRS?

A

Patient is supine, as the doctor flexes, ABducts, and externally rotates the hip
Doctor then presses the leg into ABduction and extension and stabilizes on the opposite thigh

33
Q

What is the reflex for a femoral nerve MRS?

A

Patellar

34
Q

What muscles make up the pes anserine complex and where do they attach?

A

Sartorius
Gracilis
Semitendinosus

Attach to the superomedial tibia

35
Q

When testing the iliopsoas what directions are you moving/positioning the lower extremity?

A

Flexion of the hip, abduction, and external rotation

36
Q

In what direction is the doctor pressing the leg for an iliopsoas muscle test?

A

Press leg into ABduction and extension

37
Q

Stabilizing on osseous prominences during muscle tests leads to _______________________________?

A

Weaker muscle performance

38
Q

What is the most commonly used and smallest muscle tested first for the obturator nerve MRS?

A

ADductors

39
Q

What muscle(s) are tested for an obturator nerve MRS?

A

ADductors

40
Q

How is a muscle test for the ADductors performed for an obturator nerve MRS?

A

Patient is side-lying. Doctor supports top leg while pressing the bottom leg into ABduction

41
Q

What is the reflex test for an obturator nerve MRS?

A

None

42
Q

What are the spinal levels for the superficial peroneal nerve?

A

S1 (L5 also)

43
Q

What are the spinal levels for the deep peroneal nerve?

A

S1 (L5 also)

44
Q

What is the most commonly used and smallest muscle tested first for a superficial peroneal nerve MRS?

A

Peroneus longus and brevis

45
Q

How is a muscle test for peroneus longus and brevis performed for a superficial peroneal nerve MRS?

A

Place the foot down and out while the doctor pulls up and in

46
Q

What is the reflex test for the superficial peroneal nerve MRS?

A

NONE

47
Q

What is the smallest and most commonly tested muscle first for a deep peroneal nerve MRS?

A

Extensor hallicus longus and brevis

48
Q

What muscle(s) are tested for a deep peroneal nerve MRS?

A

Extensor hallicus longus and brevis
Extensor digitorum
Tibialis anterior
Peroneus tertius (OPTIONAL)

49
Q

What nerve innervates extensor hallicus longus/brevis, extensor digitorum, tibialis anterior, and peroneus tertius?

A

Deep peroneal nerve

50
Q

The deep peroneal (fibular) nerve innervates what compartment of the leg?

A

Anterior (extensors/dorsiflexors)

51
Q

The tibial nerve innervates what compartment of the leg?

A

Posterior (Flexors/plantarflexors)

52
Q

What nerve innervates sartorius, iliopsoas, pectineus, and the quadriceps complex?

A

Femoral

53
Q

The obturator nerve innervates what compartment of the leg?

A

Medial (ADductors)

54
Q

The femoral nerve innervates what compartment of the leg?

A

Anterior (Quadriceps and hip flexors/knee extensors)

55
Q

What is the reflex test for a deep peroneal nerve MRS?

A

NONE

56
Q

What is the most commonly used and smallest muscle tested first for the tibial nerve MRS?

A

Tibialis posterior

57
Q

What muscle(s) are tested for a tibial nerve MRS?

A

Tibialis posterior
Gastrocnemius
Soleus
Medial hamstring

58
Q

How is a muscle test for tibialis posterior performed for a tibial nerve MRS?

A

Place the foot down and in and the doctor pulls up and out

59
Q

How is a muscle test for the medial hamstring performed?

A

Patient prone, knee flexed to 120 degrees with hip internally rotated
Doctor challenges to extend the knee with doctor stabilizing above the iliac crest

60
Q

What is the reflex for a tibial nerve MRS?

A

Achilles tendon

61
Q

What muscles are innervated by the superior gluteal nerve?

A

Gluteus medius
Gluteus minimus
Tensor fascia lata

62
Q

What is the action of the tensor fascia lata?

A

Stabilize knee and external rotation of the hip

63
Q

What is the action of gluteus medius and minimus?

A

Abduction and medial rotation of the thigh

64
Q

What muscles are tested for a superior gluteal nerve muscle test?

A

Tensor fascia lata
Hip ABductors
Gluteus medius

65
Q

How is a muscle test for the TFL for the superior gluteal nerve performed?

A

Patient is supine, doctor flexes, abducts, and internally rotates the hip while the doctor presses the leg into ADduction and extension

66
Q

How is a muscle test for the hip ABductors for the superior gluteal nerve performed?

A

Patient is side-lying and the doctor presses the top leg into ADduction and stabilizes above the iliac crest

67
Q

How is a muscle test for the gluteus medius for the superior gluteal nerve performed?

A

Patient is sidelying with the lower extremity abducted slightly, extended, and slightly externally rotated while the doctor presses the top leg into ADduction and flexion

68
Q

What muscle is innervated by the inferior gluteal nerve?

A

Gluteus maximus

69
Q

What is the main spinal level of the superior gluteal nerve?

A

L5

70
Q

The tibial branch is a branch of the _____________ nerve and innervates the medial hamstring?

A

Sciatic

71
Q

What muscle is tested for an inferior gluteal nerve muscle test?

A

Gluteus maximus

72
Q

What muscle is innervated by the tibial and peroneal branches of the sciatic nerve primarily from S1?

A

Lateral hamstring

73
Q

How is a lateral hamstring muscle test performed?

A

Patient prone, knee flexed to 90 degrees with the hip externally rotated
Doctor challenges to extend the knee

74
Q

What nerve root is motor to peroneus longus and brevis?

A

S1

75
Q

What nerve root is sensory to peroneus longus and brevis?

A

L5

76
Q

What nerve root is motor to tibialis anterior?

A

L4