Devices and Equipment

Question 1

Too short seat depth =

Answer 1

fails to support the thigh adequaltey

Question 2

Too long seat depth =

Answer 2

• kyphotic posture
• PPT/sacral sitting
• compromises knee circulation

Question 3

Excess leg length/seat footplate length =

Answer 3

encourages sacral sitting and sliding forward

Question 4

Too short leg length/seat footplate length =

Answer 4

creates uneven weight distribution on thigh and excessive weight in ischial seat

-ischiall pressure sores

Question 5

Amputation where there is a cut between the tarsals and metatarsals (tarsals spared)

Answer 5

LisFranc

Question 6

Amputation at the distal tibia with preservation of the calcaneal fat pad

Answer 6

Syme’s

Question 7

Amputation where the tarsal bones are cut but the talus and calcaneus (and malleoli) are spared

Answer 7

Chopart

Question 8

AKA pressure tolerant areas

Answer 8

Gluteal musculature

Thigh

Question 9

AKA pressure sensitive areas

Answer 9

Pubic symphysis
Perineum
Distal limb

Question 10

BKA pressure tolerant areas

Answer 10

Patellar tendon
Medial/lateral tibia
Fibular shaft/neck

Question 11

BKA pressure sensitive areas

Answer 11

Fibular head
Tibial crest
Tibal condyles
Distial tibia

Question 12

Who is a leaf spring foot used for

Answer 12

active patients

Question 13

Prosthetic causes of excessive knee flexion during early stance

Answer 13

Firm heel cushion

Anterior socket placement

Question 14

Anatomical causes of excessive knee flexion during early stance

Answer 14

Flexion contracture

Weak quads

Question 15

Prosthetic causes of too little knee flexion during early stance

Answer 15

Soft heel cushion

Posterior socket placement

Question 16

Anatomical causes of too little knee flexion during early stance

Answer 16

Weak quads

Extensor spasticity

Question 17

Prosthetic causes of early knee flexion during late stance

Answer 17

High heel
Socket too far anterior
Insufficient DF stop

Question 18

Prothestic causes of delayed knee flexion in late stance

Answer 18

Low heel
Socket too far psoterior
Excessive PF

Question 19

Prosthetic causes of abduction in stance

Answer 19

Long prosthesis
Sharp/high medial wall
Poor lateral wall

Question 20

Prosthetic causes of lateral trunk bending in stance

Answer 20

Short prosthesis
Sharp/high medial wall
Poor lateral wall

Question 21

Prosthetic causes of forward flexion in stance

Answer 21

Unstable knee

Short AD

Question 22

Prosthetic causes of Lordotic posture during stance

Answer 22

Inadequate hip/knee flexion

Question 23

Prosthetic causes of Circumduction during swing

Answer 23

Long prosthesis
Locked Knee
Loose socket
Inadequate suspension
Small socket
PF foot

Question 24

Prosthetic causes of vaulting/hip hiking during swing

Answer 24

Long prosthesis
Locked Knee
Loose socket
Inadequate suspension
Small socket
PF foot

Question 25

Prosthetic causes of heel whips

Answer 25

Poorly fitting socket

Misaligned foot/knee

Question 26

Prosthetic causes of high heel rise

Answer 26

Inadequate knee unit friction

Question 27

Prosthetic causes of terminal impact (knee unit)

Answer 27

Inadequate knee unit friction

Question 28

Prosthetic causes of uneven step length

Answer 28

Pain

Question 29

Bracing with TLSO for scoliosis when Cobb angle is less than ____

Answer 29

35 degrees