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Mod 2 > Amputation (TT and Foot) > Flashcards

Amputation (TT and Foot) Flashcards

1
Q

What shape do you want transtibial amputation

A

cylindrical shape

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2
Q

What shape do you want transfemoral amputation

A

conical

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3
Q

How long do you ideally want the residual limb in TT or TF amputation?

A

35-50%

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4
Q

What is the problem with a short residual limb

A

shorter level arm, creating gait difficulties

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5
Q

What is the circumferential measurement goal with a transtib amputation

A

distal end to be equal or at least 1/3in greater for prosthesis to fit

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6
Q

What is the beat option for edema management

A

rigid removable dressing

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7
Q

What are interventions for phantom limb sensation

A

desensitization techniques, mirror box

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8
Q

What are the interventions for phantom limb pain

A

gabapentin, TENS

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9
Q

What are the key muscles for gait we want to examine?

A

quads, hip flexors, hip abd, hip extensors

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10
Q

When doing MMT what do we want to keep in mind?

A

no pressure until incision heals
hand placement the same on both legs

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11
Q

What muscles are at risk of contraction for TT

A

knee flexors, hip ER/flex/ABD

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12
Q

What muscles are at risk of contracture for TF

A

hip flex/ER/ABD

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13
Q

What is the best positioning for a person with amputation

A

prone

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14
Q

Where do you place pillows to prevent contracture

A

at distal end of residual limb (TT)
laterally for hip ER and ABD

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15
Q

What is the main reason for amputation? What is the second?

A

vascular disease (DM and PAD)
second is trauma

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16
Q

What is the decision making for level of amputation?

A

sufficient vascularization
infection
joints

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17
Q

What is a lisfranc amputation

A

a disarticulation between the cuneiforms + cuboid and the metatarsals

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18
Q

What is a chopart’s amputation

A

a disarticulation between the talus and navicular and the calcaneous and cuboid

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19
Q

What is a symes amputation?

A

remove basically the whole foot including talus and calcaneus

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20
Q

What is the difference between endo and exoskeletal prosthesis

A

endo: has a pylon, could have foam over it, more adaptable
Exo: hard shell all the way, more durable

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21
Q

What are the 2 types of sockets

A

Patella tendon bearing or total surface bearing

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22
Q

What are the pressure tolerant areas

A

femoral condyles
patella tendon
Tibial shaft and ant compartment
fibular shaft
posterior compartment

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23
Q

What are the pressure intolerant areas

A

fibular head
tibial crest
distal anterior tibia
hamstring tendons

24
Q

What does an adjustable socket-less socket look like? what are the benefits?

A

usually has a ratchet, more pressure on tolerant areas

25
Q

What K level might have the waist belt suspension?

A

K1

26
Q

What K level might have the joints and corset suspension?

A

K1

27
Q
A

supracondylar suspension

28
Q
A

cuff strap suspension

29
Q
A

Sleeve suspension

30
Q

How does the suction suspension work?

A

rub alcohol on residual limb and by putting it into sockets, the air comes out and suction is formed

31
Q

What are the locking liners suspensions

A

pin and lock
shuttle lock system
lanyard

32
Q

What K level is household ambulater and fixed cadence

A

K1

33
Q

What K level is fixed cadence, multiple surfaces, low level barriers

A

K2

34
Q

What K level is stairs, variable cadence, uneven terrain

A

K3

35
Q

What is K4?

A

specific athletic feet

36
Q

Which foot has no ankle movement

A

SACH

37
Q

When the cushion heel is too stiff you ___, when the cushion heel is too soft you ___

A

buckle
hyperextend

38
Q

A single axis foot has __ mvmt but no __

A

DF/PF
no in/ev

39
Q

the PF bumper is used for which rocker?
If its too stiff you__, too soft you__

A

1st Rocker (loading response)
buckle
hyperextend

40
Q

multi axis foot has which mvmts

A

DF/PF, M/L

41
Q

What K levels is single axis foot and multi-axis foot

A

single: K1
multi: K2

42
Q

What is he keel made of in a K1 foot? K2? What does the keel do

A

K1 - wood
K2 - rubber
gives toe off in trailing limb position, the rubber one has some energy storing

43
Q

What kind if foot is light weight, carbon fiber, energy storing
What K level?

A

dynamic response foot
K3

44
Q

Can the microprocessor foot accommodate different heel heights?

A

NO

45
Q

What kind of foot has constant feedback about surface and adjusts to different shoes

A

microprocessor foot

46
Q

What feet do K1 qualify for?

A

SACH, single axis

47
Q

What feet do K2 qualify for?

A

multi-axial, flexible keel

48
Q

What feet do K3 qualify for?

A

dynamic response, flex-foot, multi-Axial

49
Q

What is bench alignment

A

5 degrees of socket flexion
5 degrees socket adduction
foot slightly inset, medial border in parallel to line of progression

50
Q

Why is the socket set to 5 degrees flexion (anteriorly)?

A

elongates quad –> increase shock absorption during LR

51
Q

Why is the socket set to 5 degrees of adduction? where do we want to pressure?

A

to create varus moment at the knee
pressure distal lateral - tibialis anterior
pressure proximal medial - tibial crest

52
Q

Why is the foot slightly inset?

A

to create a narrow BoS and more energy efficient

53
Q

What is the bench alignment for the illiac crest? Why?

A

level to or 1cm shorter on prosthetic side for foot clearance

54
Q

bench alignment for heel hight
too low:
too high:

A

hyperextend
buckle

55
Q

What are you looking at with dynamic alignment

A

stance stability
swing clearance
equal step lengths
energy efficiency

56
Q

What intrinsic problems will a PT influence

A

weakness
contracture
pain
fear

Mod 2 (4 decks)

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