ABC Prosthetic Exam Transtibial UPDATED Exam Questions and CORRECT Answers
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Course
ABC Prosthetic
Institution
ABC Prosthetic
ABC Prosthetic Exam Transtibial
UPDATED Exam Questions and
CORRECT Answers
If the load at the lateral stabilizing bar on a 2" residuum is 150 lbs, how much would it be if
the residum was 5" long? - CORRECT ANSWER- 60 lbs
What most accurately defines running - CORRECT ANSWER- absence of doubl...
ABC Prosthetic Exam Transtibial
UPDATED Exam Questions and
CORRECT Answers
If the load at the lateral stabilizing bar on a 2" residuum is 150 lbs, how much would it be if
the residum was 5" long? - CORRECT ANSWER- 60 lbs
What most accurately defines running - CORRECT ANSWER- absence of double support
Where is the center of gravity normally located on the human body? - CORRECT ANSWER-
2" anterior to S2
In normal human locomotion what is considered normal oscillation for the center of gravity?
- CORRECT ANSWER- 2" horizontal, 2" vertical
Which indication for the neoprene suspension sleeve is false? - CORRECT ANSWER-
Excellent suspension for patients with upper limb involvement
In normal human locomotion the walking base is - CORRECT ANSWER- 2-4" between feet
Which muscle is not a two joint muscle? - CORRECT ANSWER- Soleus
The approximate knee center is found by using what body landmark? - CORRECT
ANSWER- MTP
The tibial tubercle is the insertion for what muscle? - CORRECT ANSWER- Rectus femoris
The main inverters of the foot are - CORRECT ANSWER- The tibialis muscles
Which muscle is not a dorsiflexor? - CORRECT ANSWER- Tibialis posterior
, Which superficial nerve is near the fibular head making that a sensitive area? - CORRECT
ANSWER- Peroneal Nerve
Which muscle functions as an everter and dorsiflexors? - CORRECT ANSWER- Peroneus
tertius
During dynamic fitting the patient notes that there is excessive hyperextension late in stance,
How should you correct this problem? - CORRECT ANSWER- Move foot more posterior
At toe off the transtibial patient experiences anterior loss of support or drop off. What is the
most likely cause? - CORRECT ANSWER- Foot too posterior
When is a slight medial lean acceptable? - CORRECT ANSWER- When patient is using a
cane or other ambulatory aid
Which statement is true? - CORRECT ANSWER- A valgus moment is never acceptable
because it loads pressure sensitive area and requires more energy to ambulate
During dynamic fitting you notice that there is excessive lateral gapping with the transtibial
prosthesis. What is the best solution? - CORRECT ANSWER- Decrease inset and add pad
liner medially
What forces act as a couple to maintain coronal stability for a transtibial prosthesis during
midstance? - CORRECT ANSWER- Medial condyle and lateral distal force
How should the inset vary when bench aligning a prosthesis? - CORRECT ANSWER- The
more proximal the amputation the less inset
The PTB-SC, SP suspends what anatomic landmarks? - CORRECT ANSWER- Patella and
Medial/lateral femoral condyle
Which statement about setting the transtibial interface in flexion is false? - CORRECT
ANSWER- Approximately anatomic 15 degrees flexion at heel strike
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