ABC - Prosthetic Assistant Exam Review
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Guide questions with answers |\ |\ |\
Standard BK Alignment - CORRECT ANSWERS ✔✔Flexion
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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
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(MP & LD) - CORRECT ANSWERS ✔✔Abducted Socket
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Inset Foot|\
Everted Foot |\
Internally Rotated Foot |\ |\
What causes Medial Distal and Lateral Proximal Pressure
|\ |\ |\ |\ |\ |\ |\ |\
(MD & LP) - CORRECT ANSWERS ✔✔Adducted Socket
|\ |\ |\ |\ |\ |\ |\
Outset Foot |\
Inverted Foot |\
External Rotated Foot |\ |\
,What causes Anterior Distal and Posterior Proximal
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Pressure (AD & PP) - CORRECT ANSWERS ✔✔Flexed
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Socket
Socket Too Anterior |\ |\
Foot Too Posterior
|\ |\
Dorsiflexed Foot |\
Heel Too Tall or Too Stiff
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What causes Anterior Proximal and Posterior Distal
|\ |\ |\ |\ |\ |\ |\
Pressure (AP & PD) - CORRECT ANSWERS ✔✔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? -
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CORRECT ANSWERS ✔✔Abduct the socket |\ |\ |\ |\
Evert the foot
|\ |\
How can you correct a pylon that is leaning laterally? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Adduct the socket |\ |\ |\ |\
Invert the foot|\ |\
,At heel strike, what causes the ball of the foot to be DF
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more than 1-11/2"? - CORRECT ANSWERS ✔✔Stride
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length too long |\ |\
Faulty suspension |\ |\
Excessive socket flexion |\ |\
At heel strike, what causes the knee to be fully extended
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(it should be at 5-10°)? - CORRECT ANSWERS ✔✔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
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strike? - CORRECT ANSWERS ✔✔Lengthen heel lever arm
|\ |\ |\ |\ |\ |\ |\
Stiffer heel cushion |\ |\
During heel contact to flat foot, what may cause anterior
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
distal pressure? - CORRECT ANSWERS ✔✔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? - CORRECT ANSWERS ✔✔heel
|\ |\ |\ |\ |\ |\ |\ |\
lever arm too long
|\ |\ |\
During midstance, what would cause lateral trunk bend
|\ |\ |\ |\ |\ |\ |\ |\
exceeds 1" at the head? - CORRECT ANSWERS ✔✔Hip
|\ |\ |\ |\ |\ |\ |\ |\ |\
pathology
Foot outset too far laterally
|\ |\ |\ |\
Prosthesis too short |\ |\
During midstance, what would cause wide gait? -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔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? - CORRECT ANSWERS ✔✔Improper adduction or
|\ |\ |\ |\ |\ |\ |\
abduction of the socket |\ |\ |\
Loose socket |\
During midstance, what would cause lateral displacement
|\ |\ |\ |\ |\ |\
exceeds 1/2"? - CORRECT ANSWERS ✔✔Loose socket
|\ |\ |\ |\ |\ |\ |\ |\
medial lateral |\
|\ |\ |\ |\ |\ |\
Guide questions with answers |\ |\ |\
Standard BK Alignment - CORRECT ANSWERS ✔✔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) - CORRECT ANSWERS ✔✔Abducted Socket
|\ |\ |\ |\ |\ |\ |\
Inset Foot|\
Everted Foot |\
Internally Rotated Foot |\ |\
What causes Medial Distal and Lateral Proximal Pressure
|\ |\ |\ |\ |\ |\ |\ |\
(MD & LP) - CORRECT ANSWERS ✔✔Adducted Socket
|\ |\ |\ |\ |\ |\ |\
Outset Foot |\
Inverted Foot |\
External Rotated Foot |\ |\
,What causes Anterior Distal and Posterior Proximal
|\ |\ |\ |\ |\ |\ |\
Pressure (AD & PP) - CORRECT ANSWERS ✔✔Flexed
|\ |\ |\ |\ |\ |\ |\ |\
Socket
Socket Too Anterior |\ |\
Foot Too Posterior
|\ |\
Dorsiflexed Foot |\
Heel Too Tall or Too Stiff
|\ |\ |\ |\ |\
What causes Anterior Proximal and Posterior Distal
|\ |\ |\ |\ |\ |\ |\
Pressure (AP & PD) - CORRECT ANSWERS ✔✔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? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Abduct the socket |\ |\ |\ |\
Evert the foot
|\ |\
How can you correct a pylon that is leaning laterally? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Adduct the socket |\ |\ |\ |\
Invert the foot|\ |\
,At heel strike, what causes the ball of the foot to be DF
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
more than 1-11/2"? - CORRECT ANSWERS ✔✔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°)? - CORRECT ANSWERS ✔✔Faulty
|\ |\ |\ |\ |\ |\ |\ |\ |\
suspension
Heel lever arm too short
|\ |\ |\ |\
Heel cushion too soft
|\ |\ |\
How do you adjust a patient that is fully extended at heel
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
strike? - CORRECT ANSWERS ✔✔Lengthen heel lever arm
|\ |\ |\ |\ |\ |\ |\
Stiffer heel cushion |\ |\
During heel contact to flat foot, what may cause anterior
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
distal pressure? - CORRECT ANSWERS ✔✔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? - CORRECT ANSWERS ✔✔heel
|\ |\ |\ |\ |\ |\ |\ |\
lever arm too long
|\ |\ |\
During midstance, what would cause lateral trunk bend
|\ |\ |\ |\ |\ |\ |\ |\
exceeds 1" at the head? - CORRECT ANSWERS ✔✔Hip
|\ |\ |\ |\ |\ |\ |\ |\ |\
pathology
Foot outset too far laterally
|\ |\ |\ |\
Prosthesis too short |\ |\
During midstance, what would cause wide gait? -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔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? - CORRECT ANSWERS ✔✔Improper adduction or
|\ |\ |\ |\ |\ |\ |\
abduction of the socket |\ |\ |\
Loose socket |\
During midstance, what would cause lateral displacement
|\ |\ |\ |\ |\ |\
exceeds 1/2"? - CORRECT ANSWERS ✔✔Loose socket
|\ |\ |\ |\ |\ |\ |\ |\
medial lateral |\
