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MSK-1 > Anatomy Stuff I Don't Know > Flashcards

Anatomy Stuff I Don't Know Flashcards

1
Q

What is the innervation and artery of teres major m?

A

lower subscapular nerve

subscapular and circumflex scapular arteries

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2
Q

What is a jefferson fracture?

A

fracture of both arches of the atlas, alone won’t injure spinal cord, but it transverse L is ruptured, odontoid process might injure it

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3
Q

If the elbow is dislocated posteriorly, what is usually torn?

A

ulnar collateral L.

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4
Q

What gives depth to the carpal tunnel? (4)

A

hamulus of hamate, tubercle of trapezium, scaphoid tubercle, and pisiform

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5
Q

What usually causes compression of the cords of the brachial plexus?

A

prolonged periods of working w/ upper limb extended over the head –> loss of sensation, tingling of arms, weakness of the hands

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6
Q

What would rib 8 articulate with on thoracic vertebrae?

A

inferior costal facet of T7
Superior costal facet of T8
facet on rib tubercle –> transverse costal facet of T8

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7
Q

What is spondylolysis?

A

separation of vertebra arch from body (dog fracture?)

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8
Q

What are the 8 paraspinal arteries that supply vertebrae and paraspinal structures?

A 
(Vaginas And Dicks Put Some Love In Lube)
vertebral A
ascending cervical A
Deep cervical A
Posterior intercostal A
subcostal A
Lumbar A
Iliolumbar A
Lateral Sacral A
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9
Q

What causes biceps tendinitis?

A

repetitive movement of the long head of biceps t. through intertubercular groove

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10
Q

What is skier’s thumb?

A

laxity or rupture of both collateral ligaments of 1st metacarpophalangeal joints

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11
Q

What is spondylolistesis?

A

dislocation of vertebral body anteriorly from arch; can occur secondary to spondylolysis

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12
Q

What are the primary curvatures of the spine?

A

thoracic and sacral kyphoses

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13
Q

What causes tennis elbow?

A

repetitive use of the superficial extensor muscles of forearm –> pain over lateral epicondyle and down posterior forearm

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14
Q

Where does a segmental medullary artery go?

A

supplies a spinal artery

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15
Q

What does injury to the median N at the elbow cause?

A

inhibition of flexion of 2nd and 3rd digits = hand of benediction
ape’s hand also

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16
Q

Where is the groove for the ulnar N?

A

between trochlea and medial epicondyle on the humerus

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17
Q

Where is a lumbar puncture done?

A

L3/L4 or L4/L5

Needle goes through ligamentum flavum (pop), dura and arachnoid mater –> lumbar cistern

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18
Q

What is nursemaid’s elbow/ pulled elbow?

A

When the radial head is dislocated out of the annular L.

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19
Q

What is injured in a back sprain?

A

ligaments

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20
Q

What does damage to the inferior part of the brachial plexus cause?

A

damage to short muscles of hand –> claw hand when trying to make a fist = Klumpke Paralysis

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21
Q

What is bull rider’s thumb?

A

sprain of the lateral collateral L and even avulsion of lateral part of proximal phalanx of the thumb

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22
Q

What causes popeye deformity?

A

when the tendon oflong head of biceps brachii M separates entirely from the supraglenoid tubercle –> muscle balls up

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23
Q

What is the filum terminale internum?

A

string of pia mater only that extends below spinal cord

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24
Q

What is the filum terminale externum?

A

Pia and dura mater extending below the spinal cord below filum terminal internum

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25
Q

Where does spina bifida occulta most commonly occur?

A

L5 and S1

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26
Q

What type of joint is the median atlantoaxial joint?

A

trochoid synovial

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27
Q

What is the most commonly fractured carpal bone?

A

scaphoid

28
Q

Where do you have pain/numbness in carpal tunnel syndrome?

A

lateral 3 digits and half of ring finger

29
Q

What is shoulder separation?

A

injury and separation of acromioclavicular joint

can be with or without rupture of coracoclavicular L.

30
Q

What attaches to the ulnar tuberosity and where is it?

A

brachialis M

just distal of the coranoid process on ulna

31
Q

What will an individual with an upper plexus injury have clinically?

A

Erb-duchenne palsy or “waiter’s tip” = adducted and medially rotated arm and extended elbow
(cant use rhomboids, levator scapulae, supra/infraspinatus,

32
Q

Where do you have pain/numbness in guyon’s canal syndrome?

A

pinkey and half of ring finger

33
Q

What does a biceipital myotactic reflex test?

A

injury to the musculocutaneous N or C5 and C6 anterior rami

34
Q

What can avulse the medial humeral epicondyle?

A

severe abduction of the extended elbow

35
Q

What type of joint is the zygopophyseal?

A

planar synovial

36
Q

On what part of a thoracic vertebra are the superior and inferior articulating facets?

A

body of vertebra

37
Q

What is a colle’s fracture?

A

fracture of distal end of radius; usually avulses styloid process of ulna

38
Q

What typically causes damage to the inferior part of the brachial plexus?

A

dramatically increasing angle btw trunk and upper limb

39
Q

How many anterior spinal arteries are there?

A

1

40
Q

What type of joint is the lateral atlantoaxial?

A

planar synovial

41
Q

Where is the ulnar canal/guyon tunnel, why is it important?

A

depression btw pisiform and hamulus of hamate - where ulnar passes and is susceptible to compression

42
Q

To cut off all blood supply to the arm, where must ligation be done?

A

distal to subscapular A of the axillary A

if above subscapular - can reverse flow and go to brachial A thru other arteries

43
Q

What is lumbar spinal stenosis?

A

narrowing of lumbar vertebral foramen

44
Q

On what part of a thoracic vertebra is the transverse costal facet?

A

transverse process

45
Q

What is injured in a back strain?

A

muscle fibers (produced by overly strong muscular contaction

46
Q

What is in the carpal tunnel?

A

tendons of flexor digitorum profundus and superficialis ms as well as flexor carpi radialis t and median n

47
Q

What is a boxer’s fracture?

A

bread of end of 5th metacarpal

48
Q

What is the innervation and artery of teres minor m?

A

axillary nerve

posterior circumflex humeral artery and circumflex scapular artery

49
Q

What is the most common site of venipuncture and why?

A

median cubital v. because of its superficial location and protection of underlying deep structures by the bicipital aponeurosis

50
Q

What typically causes an injury to the superior part of the brachial plexus?

A

dramatically increasing angle btw neck and shoulder

affect C5 and C6 anterior rami

51
Q

What usually occurs to fracture the odontoid process of the axis?
When is it more likely to heal?

A

horizontal blow to the head

more likely to heal if it breaks inferior to the base

52
Q

What is the innervation and artery of the deltoid?

A

axillary nerve

posterior circumflex humeral artery and deltoid branch of thoracoacromial trunk

53
Q

What is a hangman’s fracture

A

fracture of the vertebral arch of C2/axis (opposite side of dens)
due to hyperextension of head on the neck

54
Q

What does injury to the axillary N cause?

A

atrophy of deltoid M and loss of sensation over superolateral arm, where the superior lateral brachial cutaneous N exists

55
Q

What is spondylosis?

A

degenerative joint disease = calcification of edges of the vertebral body

56
Q

How many posterior spinal arteries are there?

A

2

57
Q

What region of the axillary artery is susceptible to aneurysm in individuals doing repeated rapid arm movements? What can that do?

A

region one of Axillary A.

can compress brachial plexus –> pain and loss of sensation

58
Q

What are the secondary curvatures of the spine?

A

cervical and lumbar lordoses

59
Q

What is students elbow and what is it due to?

A

subcutaneous olecranon bursitis; results from excessive friction btw skin and olecranon

60
Q

What are CMC joints 2-5?

A

planar synovial

61
Q

What is mallet finger/baseball finger?

A

sudden hyperflexion of distal interphalangeal joint that can avulse attachment of long extensor tendon

62
Q

Where does a radicular artery go?

A

does NOT supply a spinal artery; to rootlets and roots

63
Q

What is dupuytren contracture?

A

disease resulting in the shortening, thickening and fibrosis of the palmar aponeurosis and palmar fascia –> partial flexion of 4th and 5th digits

64
Q

What does whiplash cause?

A

hyperextension –> excessive stretching or even tearing of anterior longitudinal ligament

65
Q

What is the second number rule?

A

For cervical and lumber only!

If prolapse at C4/5 or L4/5 –> will affect spinal nerve C5 or L5

66
Q

What does injury of the median nerve in the wrist cause?

A

adducted thumb and thenar eminence atrophy = Ape’s hand

MSK-1 (28 decks)

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