Shank & Foot - TT Flashcards by Victoria Caridi | Brainscape

Q

shank

A

exo and endoskeleton

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Q

exoskeletal –> shank

A

solid piece of wood

attach foot and socket

laminate one piece

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Q

what is the shank –> endoskeletal

A

metal tube or pylon

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Q

endoskeletal

A

attach foot and socket

separate pieces secured together

makes prosthesis modular

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Q

what are more prostheses today –> shank

A

endo skeletal

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Q

fxn of the foot/ankle

A

BOS

motion

adaptation

propulsion

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Q

normal range –> foot/ankle

A

3 planes of motion

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Q

3 planes of motion –> foot/ankle

A

10 DF and 25 PF

supination/pronation

transverse/rotation

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Q

control –> foot/ankle

A

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

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Q

K levels

A

how feet are organized

K0-K4

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Q

K0

A

prosthesis does not enhance QOL

no prosthesis

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Q

K1

A

level surfaces, slow gait, fixed cadence

house hold walker

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Q

K2

A

low level environmental barriers

limited community ambulatory

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Q

K3

A

fxnal level that demands prosthetic components beyond simple locomotion

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Q

K4

A

exhibiting high impact, stress or energy level

child, active adult, athlete

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Q

K1 level feet

A

most basic foot available

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Q

K1 level feet have

A

limited fxnal requirements

minimal maintenance

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Q

what is a K1 foot used for

A

transfers

limited ambulation

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Q

K1 feet are not

A

energy storing

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Q

pt in a high weight category –> K1

A

might need carbon fiber of K2 foot

Q

SACH foot

A

solid ankle cushion heel

Q

what is a SACH

A

revolutionized prosthetic foot

non-articulated foot

K1 foot

Q

non-articulated foot –> SACH

A

no moving parts

very light

Q

SACH is not

A

dynamic/increased energy

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

COG drop off at toe off

Q

SACH design

A

non-articular

wooden heel (@heart)

cushioned heel

Q

cushioned heel –> SACH

A

simulates HS and FF

toe break area

Q

toe break area –> SACH

A

MT heads

PO area

jxn keel and cover

Q

advantages –> SACH

A

no moving parts

movement through cover

inexpensive

Q

movement through cover –> SACH

A

giving stability

small amount of ML movement

Q

disadvantages –> SACH

A

poor PO/dropping of COG

increases energy costs

poor gait

ML motion

Q

ML motion –> SACH

A

some ML movement

problem for pts w/ balance issues

Q

K2-K4 feet

A

all about the energy storing material

Q

dynamic response foot/energy storing foot

A

stores energy during MS

recovered energy during PO

Q

K2 level feet are

A

light weight

some flexible keels

multiaxial

Q

what do K2 level feet have

A

low level energy storing/dynamic response

rubber bumpers to adjust response

some transverse rotation

Q

rubber bumpers to adjust response –> K2

A

HS to MS

Q

K2 feet need

A

more maintenance

Q

multi-axis foot/ankle

A

A/P

M/L

transverse motion

articulated

K2

Q

transverse motion –> multi-axis

A

decrease torsion

stress on skin at the RL-socket interface

Q

advantages –> multi-axis

A

better gait

adapt to terrain

Q

disadvantages –> multi axis

A

heavier

low level dynamic

Q

low profile

A

flex foot - axia/flex walk

Q

design –> flex foot - axial/flex walk

A

low profile/no shank

low to moderate activity level

Q

recommended for –> flex foot - axia/flex walk

A

moderate activity (k2)

long residual limbs (k2-k3)

long knee units (k2-k3)

Q

low profile/low impact is good for

A

low to moderate fxning

long RL

Q

flex foot - axial/flex walk is a

A

K2 foot

Q

seattle kinetic light foot is a

A

K2 foot

Q

seattle kinetic light foot is used for

A

low-medium activity

Q

maximum weight –> seattle kinetic light foot

A

166 kg

366 lb