2
ABC - Prosthetic Assistant Exam Review Guide questions
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with accurate detailed answers
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Standard BK Alignment - ✔✔Flexion 5° || || || || ||
Adduction 5° ||
Anterior Socket 1/2 to 1 1/4in || || || || ||
Inset Foot 1/2 in
|| || ||
External Toe Rotation 5-7° || || ||
What causes Medial Proximal and Lateral Distal Pressure (MP & LD) - ✔✔Abducted Socket
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Inset Foot
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Everted Foot ||
Internally Rotated Foot || ||
What causes Medial Distal and Lateral Proximal Pressure (MD & LP) - ✔✔Adducted Socket
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Outset Foot ||
Inverted Foot ||
External Rotated Foot || ||
What causes Anterior Distal and Posterior Proximal Pressure (AD & PP) - ✔✔Flexed Socket
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Socket Too Anterior|| ||
Foot Too Posterior
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Dorsiflexed Foot ||
Heel Too Tall or Too Stiff
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,2
What causes Anterior Proximal and Posterior Distal Pressure (AP & PD) - ✔✔Extended
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Socket
Socket Too Posterior || ||
Foot Too Anterior
|| ||
Plantarflexed Foot ||
Heel Too Soft or Too Short
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How can you correct a pylon that is leaning medially? - ✔✔Abduct the socket
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Evert the foot || ||
How can you correct a pylon that is leaning laterally? - ✔✔Adduct the socket
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Invert the foot || ||
At heel strike, what causes the ball of the foot to be DF more than 1-11/2"? - ✔✔Stride
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length too long || ||
Faulty suspension || ||
Excessive socket flexion || ||
At heel strike, what causes the knee to be fully extended (it should be at 5-10°)? - ✔✔Faulty
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suspension
Heel lever arm too short
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Heel cushion too soft
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How do you adjust a patient that is fully extended at heel strike? - ✔✔Lengthen heel lever
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arm
Stiffer heel cushion || ||
, 2
During heel contact to flat foot, what may cause anterior distal pressure? - ✔✔Excessive use
|| || || || || || || || || || || || || ||
of knee extensors
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Socket posterior brim too low || || || ||
AP of socket too large
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During heel contact to foot flat, what could cause knee "jack knives" abruptly? - ✔✔heel
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lever arm too long || || ||
During midstance, what would cause lateral trunk bend exceeds 1" at the head? - ✔✔Hip
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pathology
Foot outset too far laterally
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Prosthesis too short || ||
During midstance, what would cause wide gait? - ✔✔Bad habit
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Foot outset too far laterally
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Hip abductor pathology
|| ||
Prosthesis 1" or more longer || || || ||
During midstance, what would cause inversion or eversion of foot walking on lateral or
|| || || || || || || || || || || || || ||
medial border of shoe? - ✔✔Improper adduction or abduction of the socket
|| || || || || || || || || || ||
Loose socket ||
During midstance, what would cause lateral displacement exceeds 1/2"? - ✔✔Loose socket
|| || || || || || || || || || || ||
medial lateral ||
Foot excessively inset
|| ||
ABC - Prosthetic Assistant Exam Review Guide questions
|| || || || || || || ||
with accurate detailed answers
|| || ||
Standard BK Alignment - ✔✔Flexion 5° || || || || ||
Adduction 5° ||
Anterior Socket 1/2 to 1 1/4in || || || || ||
Inset Foot 1/2 in
|| || ||
External Toe Rotation 5-7° || || ||
What causes Medial Proximal and Lateral Distal Pressure (MP & LD) - ✔✔Abducted Socket
|| || || || || || || || || || || || ||
Inset Foot
||
Everted Foot ||
Internally Rotated Foot || ||
What causes Medial Distal and Lateral Proximal Pressure (MD & LP) - ✔✔Adducted Socket
|| || || || || || || || || || || || ||
Outset Foot ||
Inverted Foot ||
External Rotated Foot || ||
What causes Anterior Distal and Posterior Proximal Pressure (AD & PP) - ✔✔Flexed Socket
|| || || || || || || || || || || || ||
Socket Too Anterior|| ||
Foot Too Posterior
|| ||
Dorsiflexed Foot ||
Heel Too Tall or Too Stiff
|| || || || ||
,2
What causes Anterior Proximal and Posterior Distal Pressure (AP & PD) - ✔✔Extended
|| || || || || || || || || || || || ||
Socket
Socket Too Posterior || ||
Foot Too Anterior
|| ||
Plantarflexed Foot ||
Heel Too Soft or Too Short
|| || || || ||
How can you correct a pylon that is leaning medially? - ✔✔Abduct the socket
|| || || || || || || || || || || || ||
Evert the foot || ||
How can you correct a pylon that is leaning laterally? - ✔✔Adduct the socket
|| || || || || || || || || || || || ||
Invert the foot || ||
At heel strike, what causes the ball of the foot to be DF more than 1-11/2"? - ✔✔Stride
|| || || || || || || || || || || || || || || || || ||
length too long || ||
Faulty suspension || ||
Excessive socket flexion || ||
At heel strike, what causes the knee to be fully extended (it should be at 5-10°)? - ✔✔Faulty
|| || || || || || || || || || || || || || || || || ||
suspension
Heel lever arm too short
|| || || ||
Heel cushion too soft
|| || ||
How do you adjust a patient that is fully extended at heel strike? - ✔✔Lengthen heel lever
|| || || || || || || || || || || || || || || || ||
arm
Stiffer heel cushion || ||
, 2
During heel contact to flat foot, what may cause anterior distal pressure? - ✔✔Excessive use
|| || || || || || || || || || || || || ||
of knee extensors
|| || ||
Socket posterior brim too low || || || ||
AP of socket too large
|| || || ||
During heel contact to foot flat, what could cause knee "jack knives" abruptly? - ✔✔heel
|| || || || || || || || || || || || || || ||
lever arm too long || || ||
During midstance, what would cause lateral trunk bend exceeds 1" at the head? - ✔✔Hip
|| || || || || || || || || || || || || || ||
pathology
Foot outset too far laterally
|| || || ||
Prosthesis too short || ||
During midstance, what would cause wide gait? - ✔✔Bad habit
|| || || || || || || || ||
Foot outset too far laterally
|| || || ||
Hip abductor pathology
|| ||
Prosthesis 1" or more longer || || || ||
During midstance, what would cause inversion or eversion of foot walking on lateral or
|| || || || || || || || || || || || || ||
medial border of shoe? - ✔✔Improper adduction or abduction of the socket
|| || || || || || || || || || ||
Loose socket ||
During midstance, what would cause lateral displacement exceeds 1/2"? - ✔✔Loose socket
|| || || || || || || || || || || ||
medial lateral ||
Foot excessively inset
|| ||
