Prosthe c CPM study guide With complete solu on
RATED A+ 2025/2026 NEW!!
What measurements for a TT Pa ent need to be collected for cas ng? - Answers AP(at PTB),
M/L (at condyles), PML,
Residual Length
MTP- Floor
Foot Size
Circumferences every 2"
What ques ons should you ask at evalua on for a prosthe cs - Answers Cause and date of
amputa on
Comorbidi es (DM, kidney, hypertension0
Contralateral Limb integrity
Skin Integrity
Hand Dexterity/strength
Voca onal/Recrea onal Ac vi es
Goals
Assis ve Devices Used
MMT/ROM (Thomas test)
What are the advantages to a PTB style socket? - Answers Rota onal Control, Relief over
bony prominences
What are the advantages to a TSB style socket - Answers Equal distribu on of pressure over
en re limb, use of liner to reduce shear forces and skin irrita on, decreased pistoning
, What are the disadvantages to a PTB style socket? - Answers Concentrated pressures on
select few areas, high pressure on patellar tendon
What are the disadvantages to a TSB style socket - Answers Requires the use of liners pa ent
must be able to don liner, lack of rota onal control
What are the advantages to locking liner suspension - Answers Auditory confirma on of lock
increase confidence, can have pa ent start to don and engage lock while seated, easy to
manage volume with socks
What are the disadvantages to a locking liner suspension - Answers Pistoning/milking of the
limb, can be difficult for pa ent to align pin and lock must be consistent, lack of a rota onal
control
What are the advantages to a cushion liner/sleeve suspension - Answers Reduced pistoning
of prosthesis, easy volume management, secure suspension, benefits of liner
What are the disadvantages to a cushion liner/sleeve susupension - Answers Increased bulk
around the knee that can reduce knee flexion, can be hot (extra layer), requires dexterity to use
liner
What are the advantages to a seal in system for suspension - Answers Decreased pistoning,
increased propriocep on, decreased apparent weight of prosthesis
What are the disadvantages to a a seal in system for suspension? - Answers More difficult to
control volume with socks, must have good balance to don prosthesis, requires exact fit
What are the advantages to an elevated vacuum system - Answers Promotes limb health,
decreases pistoning, increased propriocep on, decreased swea ng, decreased apparent weight
RATED A+ 2025/2026 NEW!!
What measurements for a TT Pa ent need to be collected for cas ng? - Answers AP(at PTB),
M/L (at condyles), PML,
Residual Length
MTP- Floor
Foot Size
Circumferences every 2"
What ques ons should you ask at evalua on for a prosthe cs - Answers Cause and date of
amputa on
Comorbidi es (DM, kidney, hypertension0
Contralateral Limb integrity
Skin Integrity
Hand Dexterity/strength
Voca onal/Recrea onal Ac vi es
Goals
Assis ve Devices Used
MMT/ROM (Thomas test)
What are the advantages to a PTB style socket? - Answers Rota onal Control, Relief over
bony prominences
What are the advantages to a TSB style socket - Answers Equal distribu on of pressure over
en re limb, use of liner to reduce shear forces and skin irrita on, decreased pistoning
, What are the disadvantages to a PTB style socket? - Answers Concentrated pressures on
select few areas, high pressure on patellar tendon
What are the disadvantages to a TSB style socket - Answers Requires the use of liners pa ent
must be able to don liner, lack of rota onal control
What are the advantages to locking liner suspension - Answers Auditory confirma on of lock
increase confidence, can have pa ent start to don and engage lock while seated, easy to
manage volume with socks
What are the disadvantages to a locking liner suspension - Answers Pistoning/milking of the
limb, can be difficult for pa ent to align pin and lock must be consistent, lack of a rota onal
control
What are the advantages to a cushion liner/sleeve suspension - Answers Reduced pistoning
of prosthesis, easy volume management, secure suspension, benefits of liner
What are the disadvantages to a cushion liner/sleeve susupension - Answers Increased bulk
around the knee that can reduce knee flexion, can be hot (extra layer), requires dexterity to use
liner
What are the advantages to a seal in system for suspension - Answers Decreased pistoning,
increased propriocep on, decreased apparent weight of prosthesis
What are the disadvantages to a a seal in system for suspension? - Answers More difficult to
control volume with socks, must have good balance to don prosthesis, requires exact fit
What are the advantages to an elevated vacuum system - Answers Promotes limb health,
decreases pistoning, increased propriocep on, decreased swea ng, decreased apparent weight
