Muscles & Nerves

Question 1

Crutches or sleeping with arm over chair

Answer 1

Wrist drop

Radial Nerve

Question 2

Mid shaft humerus fracture

Answer 2

Radial Nerve

Question 3

When straightening hand:
4/5 Digits flexed at IP joints
4/5 Digits hyperextended at MCP joints

Answer 3

Ulnar Claw

*Able to make closed fist

Question 4

Losing ability to flex 2nd and 3rd digits when making a fist

Answer 4

Pope’s Blessing

Median Nerve

Question 5

Carpal tunnel syndrome

Answer 5

Median Nerve

Tinel Sign = tingling on percussion

Question 6

Fractured surgical neck of humerus or anteior dislocation of the shoulder

Answer 6

Axillary Nerve

Question 7

Which artery runs with axillary nerve?

Answer 7

Posterior circumflex

Question 8

Winged scapula

Answer 8

Long thoracic

Question 9

Nerve injured after pelvic fracture

Answer 9

Femoral Nerve

• decreased sensation over anterior thigh
• Can’t kick a football

Question 10

Innervation to adductors of hip

Answer 10

Obturator Nerve

Question 11

Injury during an anterior hip dislocation

Answer 11

Obturator Nerve

Question 12

Posterior Hip dislocation

Answer 12

Superior gluteal nerve

Inferior gluteal nerve

Question 13

Trendelenburg Gait

Answer 13

Superior gluteal nerve
Gluteus medius and minimus

*hip tips away from the side with lesion

Question 14

Unable to evert and dorsiflex the foot

Foot drop

Answer 14

Common fibular(peroneal) nerve

Question 15

Disc herniation

Answer 15

Sciatic Nerve

Question 16

Knee injury

Answer 16

Tibial Nerve

Question 17

Lateral Knee injury

Answer 17

Deep peroneal

Question 18

Loss of forearm pronation

Answer 18

Median

Question 19

Inability to abduct or adduct fingers

Answer 19

Ulnar

Question 20

Inability to abduct arm beyond 10 degrees

Answer 20

Deltoid beyond 10 degrees= axillary nerve

First 10 degrees = supraspinatous and suprascapular nerve

Question 21

Paresthesia and pain over digits 1-3

Answer 21

Median never = carpal tunnel

Question 22

Pain in stiffness in shoulders/hips
Fever
Malaise
Wt. loss
NO MUSCLE WEAKNESS
*associated with temporal arteritis

Answer 22

Polymyalgia rheumatica

Question 23

Treatment for polymyalgia rheumatica

Answer 23

Low-dose cortcosteroids

Question 24

Muscle weakness
Elevated CK
Elevated aldolase
\+ANA
\+Anti-Jo1

Answer 24

Polymyositis

Question 25

Injury to what nerve during an appendectomy causes decreased sensation at the suprapubic region?

Answer 25

Iliohypogastric

Question 26

What muscle passes through the greater siatic foramen?

Answer 26

Piriformis

Question 27

Carpal Bones

Answer 27

“So long to pinky, here comes the thumb”

Scaphoid
Lunate (first two articulate with radius)
Triquetrium
Pisiform
Hamate
Capitate
Trapezoid
Trapezium

Question 28

Drooping of the shoulder
Impaired abduction of the arm above horizontal
Vulnerable to injury in the posterior triangle of the neck

Answer 28

Spinal Accessory Nerve

Innervating the trapezius muscle

Question 29

Codman’s triangle

Sunbrust Pattern on x-ray

Answer 29

Osteosarcoma

Found is metaphysis

Question 30

Only bone cancer found in epiphyses? That resembles a soap bubble?

Answer 30

Giant cell tumor (Osteoclastoma)

Question 31

Malignant proliferation of poorly differentiated cells derived from neuroectoderm

Onion skin periosteal reaction to bone

Answer 31

Ewing Sarcoma

Question 32

Most common benign tumor
Lateral projection of growth plate
Cartilaginous cap

Answer 32

Osteochondroma

Found in metaphysis

Question 33

Bone cancer associated with t(11:22) translocation

Answer 33

Ewing Sarcoma