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Musculoskeletal > Dermatomes/Myotomes > Flashcards

Dermatomes/Myotomes Flashcards

1
Q

Abduction of arm

A

C5

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2
Q

Flexion of fingers

A

C8

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3
Q

Abduction and adduction of fingers

A

T1

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4
Q

Flexion of elbow

A

C5/C6

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5
Q

Extension of elbow

A

C6/C7

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6
Q

Hip flexion

A

L1/L2

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7
Q

Knee extension

A

L3/L4

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8
Q

Dorsiflexion of the foot

A

L4

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9
Q

Big toe extension

A

L5

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10
Q

Foot eversion

A

S1

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11
Q

Platarflexion of the foot

A

S1/S2

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12
Q

What is central cord syndrome?

A

The most common injuury pattern that occurs with a hyperextension injury in a cervical spine with osteoarthrtisis. Causes paralysis of the arms more than the legs due to the corticospinal tracts of the upper limb being more central . Sacral sparing

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13
Q

What is an anterior cord syndrome?

A

Loss of motor function (corticospinal tracts) as well as a loss of coarse touch, pain and temperature sensation (spinothalamic tract) with the dorsal columns being intact

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14
Q

What is posterior cord syndrome?

A

Loss of dorsal colum function

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15
Q

What is brown sequard syndrome?

A

Results from hemisection of the cord usually from a penetrating injury. Ipsilateral paralysis and loss of dorsalc olumn sensation with contralateral loss of pain, temeperature and coarse touch.

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16
Q

What is the most common type of humerus fracture?

A

Fracture of the surgical neck with medial displacement of the humeral shaft due to the pull of the pectoralis major muscle.

17
Q

What kind of fracture is causes by a fall onto the point of the elbow?

A

Olecranon fracture

18
Q

What is monteggia fracture?

A

A fracture of the ulna occurs with dislocation of the radial head at the elbow. Requires fixation

19
Q

What is a galeazzi fracture?

A

Fracture of the radium with a dislocaton of the ulna at the distoradioular joint.

20
Q

What is a colles fracture?

A

Fracture of the distal radius with 1 inch of the articular surface with dorsal displacement following a fall on an outsretched hand with the wrist extended

21
Q

What is a specific late complication of a colles fracture?

A

Rupture of the extensor pollicis longus tendon

22
Q

What is a smiths fracture?

A

volarly displaced or angulated fracture of the distal radius following a fall on an outstretched flexed hand. This is highly unstable and always has to undergo fixation.

Musculoskeletal (15 decks)

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