Orthotics and Prosthetics
Combined Written Exam Study
Guide – Practice Questions
with Verified Answers. GRADED
A+. Latest 2026/2027 Update
in TT prostheses, during preswing,there is drop off where the patient appears
to fall to quickly to the sound side. what are the possible causes and how do
you fix them? - Answer✔✔--foot to posterior --> move foot anteriorly
-foot too DF --> PF foot
-socket too flexed --> extend socket
All of the following factors contribute to vaulting with an AK prosthesis except...
a. prosthesis too long
b. excessive knee friction
c. inadequate suspension
d. weak hip extensors - Answer✔✔-d. weak hip extensors
,The gluteus medius is most active during
a. heel strike
b. midstance
c. push off
d. double support - Answer✔✔-b. midstance
The toe of an AK prosthesis rotates externally at heel strike. Which of the
following is the major cause of this problem?
a. knee bolt externally rotated
b. excessive toe out
c. keel too short
d. plantarflexion resistance too firm - Answer✔✔-d. plantarflexion resistance
too firm
A gait cycle refers to all the activity that occurs between...
a. heel strike on one side and the following heel strike on the same side
b. double support on one side and the following double support on the
opposite side.
c. heel-off to push-off on the same sided. heel strike on one side and the
following heel strike on the opposite side
e. heel contact and push-off - Answer✔✔-a. heel strike on one side and the
following heel strike on the same side
Venous return of the blood to the heart is assisted by the...
a. action of the skeletal muscles
b. positive pressure in the heart
,c. independent contraction of the arterial walls
d. arterial blood pressure - Answer✔✔-a. action of the skeletal muscles
During normal human locomotion, how many inches does the center of gravity
shift from side to side?
a. 1
b. 2
c. 3
d. 4 - Answer✔✔-b. 2
The center of gravity of the adult male is located on the midline of the body at
approximately the level of the...
a. acetabulum
b. coccyx
c. umbilicus
d. ischial tuberosity
e. second sacral vertebra - Answer✔✔-e. second sacral vertebra
To minimize lateral bending of the trunkk susequent to unilateral hip abductor
weakness, it is best to use...
a. a cane on the involved side
b. a cane on the uninvolved side
c. a can on both sides - Answer✔✔-b. a cane on the uninvolved side
The surgical attachment of muscle to muscle is known as...
a. myoplasty
, b. myodesis
c. arthroplasty
d. arthrodesis - Answer✔✔-a. myoplasty
The body's center of gravity reaches its highest point at...
a. heel strike
b. foot flat
c. mid-stance
d. heel-off - Answer✔✔-c. mid-stance
Pressure is determined by...
a. force divided by torque
b. torque divided by force
c. force divided by area
d. area divided by force - Answer✔✔-c. force divided by area
During normal human locomotion, between heel contact and foot flat, the
floor reaction force tends to cause which moments at the hip and knee?
a. hip flexion, knee flexion
b. hip flexion knee extension
c. hip extension, knee flexion
d. hip extension, knee extension - Answer✔✔-a. hip flexion, knee flexion
If the sciatic nerve is severed at the level of the lesser trochanter, muscle
function will not be impaired at the..
Combined Written Exam Study
Guide – Practice Questions
with Verified Answers. GRADED
A+. Latest 2026/2027 Update
in TT prostheses, during preswing,there is drop off where the patient appears
to fall to quickly to the sound side. what are the possible causes and how do
you fix them? - Answer✔✔--foot to posterior --> move foot anteriorly
-foot too DF --> PF foot
-socket too flexed --> extend socket
All of the following factors contribute to vaulting with an AK prosthesis except...
a. prosthesis too long
b. excessive knee friction
c. inadequate suspension
d. weak hip extensors - Answer✔✔-d. weak hip extensors
,The gluteus medius is most active during
a. heel strike
b. midstance
c. push off
d. double support - Answer✔✔-b. midstance
The toe of an AK prosthesis rotates externally at heel strike. Which of the
following is the major cause of this problem?
a. knee bolt externally rotated
b. excessive toe out
c. keel too short
d. plantarflexion resistance too firm - Answer✔✔-d. plantarflexion resistance
too firm
A gait cycle refers to all the activity that occurs between...
a. heel strike on one side and the following heel strike on the same side
b. double support on one side and the following double support on the
opposite side.
c. heel-off to push-off on the same sided. heel strike on one side and the
following heel strike on the opposite side
e. heel contact and push-off - Answer✔✔-a. heel strike on one side and the
following heel strike on the same side
Venous return of the blood to the heart is assisted by the...
a. action of the skeletal muscles
b. positive pressure in the heart
,c. independent contraction of the arterial walls
d. arterial blood pressure - Answer✔✔-a. action of the skeletal muscles
During normal human locomotion, how many inches does the center of gravity
shift from side to side?
a. 1
b. 2
c. 3
d. 4 - Answer✔✔-b. 2
The center of gravity of the adult male is located on the midline of the body at
approximately the level of the...
a. acetabulum
b. coccyx
c. umbilicus
d. ischial tuberosity
e. second sacral vertebra - Answer✔✔-e. second sacral vertebra
To minimize lateral bending of the trunkk susequent to unilateral hip abductor
weakness, it is best to use...
a. a cane on the involved side
b. a cane on the uninvolved side
c. a can on both sides - Answer✔✔-b. a cane on the uninvolved side
The surgical attachment of muscle to muscle is known as...
a. myoplasty
, b. myodesis
c. arthroplasty
d. arthrodesis - Answer✔✔-a. myoplasty
The body's center of gravity reaches its highest point at...
a. heel strike
b. foot flat
c. mid-stance
d. heel-off - Answer✔✔-c. mid-stance
Pressure is determined by...
a. force divided by torque
b. torque divided by force
c. force divided by area
d. area divided by force - Answer✔✔-c. force divided by area
During normal human locomotion, between heel contact and foot flat, the
floor reaction force tends to cause which moments at the hip and knee?
a. hip flexion, knee flexion
b. hip flexion knee extension
c. hip extension, knee flexion
d. hip extension, knee extension - Answer✔✔-a. hip flexion, knee flexion
If the sciatic nerve is severed at the level of the lesser trochanter, muscle
function will not be impaired at the..
