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Prosthetics - Midterm > Shank & Foot - TT > Flashcards

Shank & Foot - TT Flashcards

1
Q

shank

A

exo and endoskeleton

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2
Q

exoskeletal –> shank

A

solid piece of wood

attach foot and socket

laminate one piece

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3
Q

what is the shank –> endoskeletal

A

metal tube or pylon

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4
Q

endoskeletal

A

attach foot and socket

separate pieces secured together

makes prosthesis modular

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5
Q

what are more prostheses today –> shank

A

endo skeletal

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6
Q

fxn of the foot/ankle

A

BOS

motion

adaptation

propulsion

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7
Q

normal range –> foot/ankle

A

3 planes of motion

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8
Q

3 planes of motion –> foot/ankle

A

10 DF and 25 PF

supination/pronation

transverse/rotation

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9
Q

control –> foot/ankle

A

greater the movement in prosthetic joint/greater control needed by the prosthetic wearer

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10
Q

K levels

A

how feet are organized

K0-K4

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11
Q

K0

A

prosthesis does not enhance QOL

no prosthesis

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12
Q

K1

A

level surfaces, slow gait, fixed cadence

house hold walker

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13
Q

K2

A

low level environmental barriers

limited community ambulatory

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14
Q

K3

A

fxnal level that demands prosthetic components beyond simple locomotion

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15
Q

K4

A

exhibiting high impact, stress or energy level

child, active adult, athlete

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16
Q

K1 level feet

A

most basic foot available

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17
Q

K1 level feet have

A

limited fxnal requirements

minimal maintenance

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18
Q

what is a K1 foot used for

A

transfers

limited ambulation

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19
Q

K1 feet are not

A

energy storing

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20
Q

pt in a high weight category –> K1

A

might need carbon fiber of K2 foot

21
Q

SACH foot

A

solid ankle cushion heel

22
Q

what is a SACH

A

revolutionized prosthetic foot

non-articulated foot

K1 foot

23
Q

non-articulated foot –> SACH

A

no moving parts

very light

24
Q

SACH is not

A

dynamic/increased energy

esp w/ push off in gait (no assist w/ PO)

COG drop off at toe off

25
SACH design
non-articular wooden heel (@heart) cushioned heel
26
cushioned heel --> SACH
simulates HS and FF toe break area
27
toe break area --> SACH
MT heads PO area jxn keel and cover
28
advantages --> SACH
no moving parts movement through cover inexpensive
29
movement through cover --> SACH
giving stability small amount of ML movement
30
disadvantages --> SACH
poor PO/dropping of COG increases energy costs poor gait ML motion
31
ML motion --> SACH
some ML movement problem for pts w/ balance issues
32
K2-K4 feet
all about the energy storing material
33
dynamic response foot/energy storing foot
stores energy during MS recovered energy during PO
34
K2 level feet are
light weight some flexible keels multiaxial
35
what do K2 level feet have
low level energy storing/dynamic response rubber bumpers to adjust response some transverse rotation
36
rubber bumpers to adjust response --> K2
HS to MS
37
K2 feet need
more maintenance
38
multi-axis foot/ankle
A/P M/L transverse motion articulated K2
39
transverse motion --> multi-axis
decrease torsion stress on skin at the RL-socket interface
40
advantages --> multi-axis
better gait adapt to terrain
41
disadvantages --> multi axis
heavier low level dynamic
42
low profile
flex foot - axia/flex walk
43
design --> flex foot - axial/flex walk
low profile/no shank low to moderate activity level
44
recommended for --> flex foot - axia/flex walk
moderate activity (k2) long residual limbs (k2-k3) long knee units (k2-k3)
45
low profile/low impact is good for
low to moderate fxning long RL
46
flex foot - axial/flex walk is a
K2 foot
47
seattle kinetic light foot is a
K2 foot
48
seattle kinetic light foot is used for
low-medium activity
49
maximum weight --> seattle kinetic light foot
166 kg 366 lb

Prosthetics - Midterm (8 decks)

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