9/9/24, 5:04 PM
Prosthetic CPM study guide
Jeremiah
Practice questions for this set
Terms in this set (92)
AP(at PTB), M/L (at condyles), PML,
Residual Length
What measurements for a TT Patient need to
MTP- Floor
be collected for casting?
Foot Size
Circumferences every 2"
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Cause and date of amputation
Comorbidities (DM, kidney, hypertension0
Contralateral Limb integrity
Skin Integrity
What questions should you ask at evaluation
Hand Dexterity/strength
for a prosthetics
Vocational/Recreational Activities
Goals
Assistive Devices Used
MMT/ROM (Thomas test)
What are the advantages to a PTB style Rotational Control, Relief over bony prominences
socket?
What are the advantages to a TSB style Equal distribution of pressure over entire limb, use of liner to reduce shear forces and
socket skin irritation, decreased pistoning
What are the disadvantages to a PTB style Concentrated pressures on select few areas, high pressure on patellar tendon
socket?
What are the disadvantages to a TSB style Requires the use of liners patient must be able to don liner, lack of rotational control
socket
What are the advantages to locking liner Auditory confirmation of lock increase confidence, can have patient start to don and
suspension engage lock while seated, easy to manage volume with socks
What are the disadvantages to a locking liner Pistoning/milking of the limb, can be difficult for patient to align pin and lock must be
suspension consistent, lack of a rotational control
What are the advantages to a cushion Reduced pistoning of prosthesis, easy volume management, secure suspension,
liner/sleeve suspension benefits of liner
What are the disadvantages to a cushion Increased bulk around the knee that can reduce knee flexion, can be hot (extra layer),
liner/sleeve susupension requires dexterity to use liner
What are the advantages to a seal in system Decreased pistoning, increased proprioception, decreased apparent weight of
for suspension prosthesis
What are the disadvantages to a a seal in More difficult to control volume with socks, must have good balance to don prosthesis,
system for suspension? requires exact fit
What are the advantages to an elevated Promotes limb health, decreases pistoning, increased proprioception, decreased
vacuum system sweating, decreased apparent weight
What are the disadvantages to elevated Can cause damage to limb if fit is not appropriate, requires exact fit, bulky and
vacuum increased weight, expensive
Good for short limbs, ligament laxity, knee instability
What are the advantages of supracondylar
suspension
Improves stability at knee, ease of don and doffing, increased M/L stability
What the advantages to a cuff strap Easily adjusted if volume change, good secondary suspension, low maintenance
suspension?
What are the disadvantages to Must be able to tolerate pressure, pistoning, rubbing on condyles
Supracondylar suspension?
What are the disadvantages to cuff strap Pistioning, impaired circulation
suspension
What are the advantages to joint and corset Partially offload residuum and knee, maximum M/L and AP stability
suspension
What are the disadvantages to a joint and Heavy bulky, allows for pistioning
corset?
Prosthetic
What CPM tostudy
are the advantages a SACH guide
foot? Cheap, durable, soft heel acts as dorsiflexors for stability to entrance into gait.
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