Final - Spring Flashcards

1
Q

capitulum –>

A

radial head

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2
Q

true joint of the elbow

A

humeroulnar joint

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3
Q

what ligament stab the radial head

A

radial anular lig

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4
Q

ROM of elbow and what it is limited by

A

flex: 145 - lim by muscles
ext: 5-10 - lim by olecranon fossa and tension of anterior lig

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5
Q

main m of elbow flexion

A

brachialis

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6
Q

main M of elbow extension

A

triceps

and anconeus

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7
Q

carrying angle

A

>15: cubitus valgus –>

  • ULNAR deviation of wrist

<5: cubitus varus: aka gunstock deformity

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8
Q

supinators

A

biceps

supinator

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9
Q

pronators

A

pronator quad

pronator teres

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10
Q

pronation and supination: coupled motion

A

pronation: radial head –> posterior
* b/w distal radius crosses over ulna
supinator: radial head –> anterior

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11
Q

the prox ulna has accessory motions of ____ with supination and _____ with pronation

A

adduction

abduction

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12
Q

interosseous membrane

A
  • tightens with supination
  • transmits E from wrist to elbow to decrease strain
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13
Q

nursemaids elbow

A

sublux of radial head –> flex and pronated

  • tears anular ligament

tx:

  • traction
  • supination
  • flex elbow to 90
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14
Q

ulnar n compression

A

by FCU: arcuate ligament

  • weakness of 4 and 5
  • claw of 4 and 5
  • hypothenar atrophy
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15
Q

radial n compression

A

supinator –> pain @ lateral epicondyle

  • WORSE with pronation
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16
Q

median n compression

A
  1. struthers
  2. pronator teres: can pass b/w 2 heads of pronator
  3. FDS
  4. carpal tunnel
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17
Q

lateral epicondylosis

A

degen and tearing of extensor tendons

  • not inflammation so not -itis

MOA:

  • neuro-M dysfx
  • inability of antag M to relax with contraction of agonist
    • results of breakdown of tendon as it attaches to periosteum
  • lower c-spine dysfx

tx:

  • ME
  • traction of c-spine
  • corticosteroid injection
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18
Q
A

olecranon bursitis: P leaning on elbow

  • gout
  • RA
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19
Q

medial adduction of the ulna–>

A

wrist ABduction –> superior radius –> lateral olecranon

  • decreased carrying angle
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20
Q

falling forward on outstretched hand

A

hand in pronation –> anterior distal radius –> ANTERIOR “disloc” of hand

  • results in radial HEAD to be POSTERIOR
  • b/c pronation –> posterior SD
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21
Q

falling backwards on “backwards” hand

A

hand is SUPINATED –> posterior distal radius –> ANTERIOR slide of radial head

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22
Q

true wrist joint =

A

radiocarpal

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23
Q

fx joints of wrist

A

radiocarpal: F, E, ulnar and radial deviation
midcarpal: sliding b/w bones, radial deviation
ulnomeniscotriquetral: pesudojoint - ulnar deviation

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24
Q

wrist range of motion

A

F: 80

E: 70

Ab: 20

Ad: 30

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25
Q

accessory motions of slide, rotation, traction are GREATEST @

A

radioscaphoid

radiolunate

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26
Q

muscles acting on wrist

A

FCU: flex, adduct

FCR, palmaris longus: flex, abduct

ECU: extend, adduct

ECRL/B: extend, abduct

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27
Q

role of wrist ligaments

A

partially closed packed by lig

carpal bones = fulcrum for complex wrist mvmts

respond to DISTAL M forces

28
Q

wrist SD

A

extension –> VENTRAL carpal bones

flexion –> DORSAL carpal bones

29
Q

what is in the carpal tunnel sheath

A

median N

FDS: 4

FDP: 4

flexor pollicus longus

30
Q

carpal tunnel syndrome

A

fingers 1-4.5: numbness

symptoms worse @ night

weakness/atrophy of thenar

(+) tinel’s

dx: nerve conduction studies

31
Q

predisposing factors of CTS

A
  1. repetitive strain
  2. sleeping with wrist flexed
  3. DM
  4. RA
  5. pregnancy
  6. hypothryoid
  7. obesity
  8. low vit C and b6
32
Q

osteopathic tx of CTS

A
  1. cerv, thoracic spine
  2. ribs
  3. “double crush”
  4. anterior lunate
33
Q

tunnel of guyon

A

pisiform –> ulnar N –> hook of hamate

dysfx:

  1. gang cyst
  2. ulnar A aneurysm
  3. handlebar neuropathy
  4. rapid wt gain
  5. preg
  6. RA
34
Q

anatomic snuffbox

A

ABductor PL –> EPB –(radial A & scaphoid)–> EPL

  • fx of scaphoid –> avasc necrosis
35
Q

accesory motions of hand

what happens with their loss?

A
  1. dorsal ventral slide
  2. long axis traction
  3. axial rotation

loss –> arthritis

36
Q

very common Jones CS TP found in…

A

abductor pollicis brevis

37
Q

M of hand: extrinsic and intrinsic

A

extrinsic: F, E

  • forearm
  • tendons that CROSS wrist into hand

intrinsic:

  • thenar:
    • opponens pollicis
    • APB
    • FPB
  • hypothenar:
    • FDM
    • Abductor DM
    • ODM
  • inteross
  • lumbricles
38
Q

prehension

A

skin over palm = thicker than dorsum

  • attached to fascia @ palmar creases
  • GRASP objects securely
  • conforms to shape well
39
Q

finkelsteins:

A

inflammation of tendon sheaths of :

  • EPB
  • Abductor PL
40
Q

ER of hip –>

A

glide of fem head ANTERIOR in acetabulum

disengages fem head from acetabulum

41
Q

flex/end of hip and relationship to pelvis

A

sup/int pelvis in sagittal plane

42
Q

abduc/adduc of hip and relationship to pelvis

A

lateral pelvis in frontal plane motion around A/P axis

43
Q

true hip pain refers to…

A

groin

44
Q

ligaments of hip

A

anterior lig = iliofemoral (thickened) –> gives stabilitiy

  • RELAX with flexion
  • increased tension and limits in extension
  • reinforced by ILIOPSOAS

pelvis normally rotated forward

  • seats hip joint
  • forms sacral base of lumbar spine
45
Q

hip flexors

A

iliopsoas: PRIMARY
r. femoris

sartoris

pectineus: also ADDuctor

TFL: also ABductor

* all innerv by fem N: L2-4

46
Q

hip extensors

A

g. max: inferior glut: L5-S2
hams: sciatic N: L4-S2

Add mag (post portion):

  • sciatic and obturator (L2-S3)
47
Q

obturator N:

A

articular branch: medial portion of capsule

sciatic: posterior capsule

48
Q

hip abductors

A

sup. gluteal (L4-S1)

  • g. med
  • g. min
  • TFL: also flexor
  • also gives branhces to superiorlateral capsule

piriformis: when thigh is flexed: n to piriformis (s1-s2)

49
Q

cut branches of hip origin at _____ lvl than motor and capsular N

A

higher

  • lateral fem cut: anterolateral by L2
  • anterior: con’t of fem N by L2-L4
50
Q

unilateral and bilateral trendelenburg = what gait?

A

lurch

waddling: common in polio

51
Q

troch bursitis

A

radiates down lateral leg and mimics neuritis

pain with wt bear and walking

tx: TFL

52
Q

hip OA

A

fixed external rotation: piriformis

fixed ADDuction of hip in SEVERE arthritis of hip joint

tx:

  • lymph drainage
  • traction
  • block obturator N
  • hip extension exercises to stretch anterior hip capsule and str extensor M
53
Q

knee joint

A

hinge:

  • stab in complete extension
  • flex:
    • relaxed collateral lig
    • allows lat-med motion and tibial rotation

sacrifices stability for mobility

54
Q

fem-tib joints

A

lat condyles reach phys end ROM 1st

  • uneven surf b/w fem condyles and tib plateau
  • med condyle con’t mvmt
  • full ext = post-lat glide of condyles on plateau
55
Q

fem-patellar joint

A

vertical ridge of patella –. central groove of femur

patellar surf projects laterally

56
Q

ROM of knee

A

flex:

  • ant-med glide: tibia on femur
  • int-rotation by poplitius @ initiation

extention

  • post-lat glide: tibia on femur
  • ext-rot by quads

abd/add: tibia on femur

57
Q

fib head

A

attachment for biceps femoris

int-rot = post fib head

ext-rot = ant fib head

58
Q

lig of knee

A

ACL: prevents hyperextension

PCL: assists flexion

medial and collateral lig: med attaches to med meniscus

59
Q

terrible triad

A

o’donahue’s

  • MCL
  • MM
  • ACL

force: lateral –> medial with knee extended and foot fixed

60
Q

ant/posterior drawer

A

(+) = 5mm or more mvmt

61
Q

varus and valgus

A

leg fulled extended = PCL for medial-lat stability

  • put knee @ 30deg of flexion takes PCL out of play
  • allows MCL to be tested
62
Q

menisci

A

medial: larger, oral
lateral: circular

63
Q

knee arthritis

A

valgus/varus: more prone to OA changes

  • stiffness with prolonged sitting
  • pain with wt bearing
  • crepitation: loss of ROM - hyperextension
  • no end range spring

tx:

  • wt loss
  • avoid deep bending and going down stairs
64
Q

condromalacia patella

A

degen of patella cartilage articulation

  • excessive load
  • crepitation:
    • most common in YOUNG WOMEN
  • weakness/tightness of quads
  • knock-knee/bowleg
  • obesity
65
Q

osgood-schlatter lesion

A

repetitive stress on tib tuberosity –> superior avulsion

  • late childhood, early adol
  • more common in BOYS
  • pain in extension
66
Q
A

baker’s cyst

  • comun with synovial cav of knee
  • RA/OA
  • mensical tear

sx is not tx: correct joint disorder