ABCOP Prosthetic Written Exam
2025/2026 Exam Questions and Answers
| 100% Solved
When walking, the normal foot should pass close to the AK prosthetic foot:
- 🧠 ANSWER ✔✔to facilitate shift of body weight
The knee bolt of the prosthesis is usually found to be: - 🧠 ANSWER ✔✔In
approximately 5 degrees of external rotation
When Adductor longus tightness is observed during initial fitting of the AK
socket you should: - 🧠 ANSWER ✔✔Flare and contour anterior-medial
corner
The suction socket prosthesis is aligned so that involuntary alignment
stability is minimized and voluntary knee control by stump action is
emphasized: - 🧠 ANSWER ✔✔In order that a minimum amount of energy is
consumed during walking
Medial whip is caused by - 🧠 ANSWER ✔✔Excessive lateral rotation of
knee bolt
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
,if the ischial seat of the ak socket is made too wide, it will cause - 🧠
ANSWER ✔✔Excessive pressure on the hamstring muscles, resulting in
stump edema
Which one of the following gait faults is due to incorrect function of the
prosthesis? - 🧠 ANSWER ✔✔Circumduction
At push-off it is common for an AK amputee with well developed hamstring
muscles to force himself off the ischial seat as his stump extends. How can
this trouble be avoided? - 🧠 ANSWER ✔✔Align the socket in a position of
initial extension
What is the effect of excessively shimming the dorsiflexion stop to place the
shank in a vertical position? - 🧠 ANSWER ✔✔Excessive shortening in
range of plantar flexion, resulting in stiffened plantar bumper action and
knee instability
During swing phase, a tendency for the AK prosthetic shin to make a
marked inward movement of the knee accompanied by an outward
movement of the foot is called: - 🧠 ANSWER ✔✔Lateral whip
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
,When hamstring muscle tightness is observed during initial fitting of the AK
socket you sould: - 🧠 ANSWER ✔✔Roll and relieve the medial posterior
wall
Patient weighs 200 lbs. The length of the lever arm between center of
gravity and support point on his socket is 6 inches. The length of the lever
arm form support point to midpoint of femur is 10 inches. How many inch
pounds of force must be distributed on his femur to prevent ML instability? -
🧠 ANSWER ✔✔1200
The Latissimus dorsi and the supraspinatus are the prime movers in the
glenohumeral extension: T/F - 🧠 ANSWER ✔✔False
If a patient with 65% length BE can flex elbow to 90, the use of a step-up
hinge is indicated: T/F - 🧠 ANSWER ✔✔True
The rhomboids originate on: - 🧠 ANSWER ✔✔Thoracic vertebrae and insert
along the scapula from the root of the spine to the inferior angle
External rotation of humerus is accomplished with the: - 🧠 ANSWER
✔✔Infraspinatus & Teres Minor
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
, Internal rotation of the humerus is produced by contraction of the: - 🧠
ANSWER ✔✔Subscapularis
The greatest disadvantage to the amputee in using any step-up hinge is: - 🧠
ANSWER ✔✔loss of flexion power in forearm
The triceps not only extends the elbow joint but also: - 🧠 ANSWER
✔✔Extends the glenohumeral joint
The shoulder disarticulation prosthesis is operated primarily by what control
motion? - 🧠 ANSWER ✔✔Scapular abduction
If the AE Amputee is having difficulty in flexing the elbow of his prosthesis
he would be aided least by: - 🧠 ANSWER ✔✔Replacing a steel hook with
an aluminum one
The lever type excursion amplifier provides increased excursion at the
expense of - 🧠 ANSWER ✔✔Force
External-moveable-sheave-type excursion amplifier is used with what type
of prosthesis? - 🧠 ANSWER ✔✔Shoulder Disarticulation
What does the nudge control enable the amputee to do? - 🧠 ANSWER
✔✔Lock and unlock the elbow by pressing lever with the chin
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
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PRIVACY STATEMENT. ALL RIGHTS RESERVED
2025/2026 Exam Questions and Answers
| 100% Solved
When walking, the normal foot should pass close to the AK prosthetic foot:
- 🧠 ANSWER ✔✔to facilitate shift of body weight
The knee bolt of the prosthesis is usually found to be: - 🧠 ANSWER ✔✔In
approximately 5 degrees of external rotation
When Adductor longus tightness is observed during initial fitting of the AK
socket you should: - 🧠 ANSWER ✔✔Flare and contour anterior-medial
corner
The suction socket prosthesis is aligned so that involuntary alignment
stability is minimized and voluntary knee control by stump action is
emphasized: - 🧠 ANSWER ✔✔In order that a minimum amount of energy is
consumed during walking
Medial whip is caused by - 🧠 ANSWER ✔✔Excessive lateral rotation of
knee bolt
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
1
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,if the ischial seat of the ak socket is made too wide, it will cause - 🧠
ANSWER ✔✔Excessive pressure on the hamstring muscles, resulting in
stump edema
Which one of the following gait faults is due to incorrect function of the
prosthesis? - 🧠 ANSWER ✔✔Circumduction
At push-off it is common for an AK amputee with well developed hamstring
muscles to force himself off the ischial seat as his stump extends. How can
this trouble be avoided? - 🧠 ANSWER ✔✔Align the socket in a position of
initial extension
What is the effect of excessively shimming the dorsiflexion stop to place the
shank in a vertical position? - 🧠 ANSWER ✔✔Excessive shortening in
range of plantar flexion, resulting in stiffened plantar bumper action and
knee instability
During swing phase, a tendency for the AK prosthetic shin to make a
marked inward movement of the knee accompanied by an outward
movement of the foot is called: - 🧠 ANSWER ✔✔Lateral whip
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
2
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,When hamstring muscle tightness is observed during initial fitting of the AK
socket you sould: - 🧠 ANSWER ✔✔Roll and relieve the medial posterior
wall
Patient weighs 200 lbs. The length of the lever arm between center of
gravity and support point on his socket is 6 inches. The length of the lever
arm form support point to midpoint of femur is 10 inches. How many inch
pounds of force must be distributed on his femur to prevent ML instability? -
🧠 ANSWER ✔✔1200
The Latissimus dorsi and the supraspinatus are the prime movers in the
glenohumeral extension: T/F - 🧠 ANSWER ✔✔False
If a patient with 65% length BE can flex elbow to 90, the use of a step-up
hinge is indicated: T/F - 🧠 ANSWER ✔✔True
The rhomboids originate on: - 🧠 ANSWER ✔✔Thoracic vertebrae and insert
along the scapula from the root of the spine to the inferior angle
External rotation of humerus is accomplished with the: - 🧠 ANSWER
✔✔Infraspinatus & Teres Minor
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
3
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, Internal rotation of the humerus is produced by contraction of the: - 🧠
ANSWER ✔✔Subscapularis
The greatest disadvantage to the amputee in using any step-up hinge is: - 🧠
ANSWER ✔✔loss of flexion power in forearm
The triceps not only extends the elbow joint but also: - 🧠 ANSWER
✔✔Extends the glenohumeral joint
The shoulder disarticulation prosthesis is operated primarily by what control
motion? - 🧠 ANSWER ✔✔Scapular abduction
If the AE Amputee is having difficulty in flexing the elbow of his prosthesis
he would be aided least by: - 🧠 ANSWER ✔✔Replacing a steel hook with
an aluminum one
The lever type excursion amplifier provides increased excursion at the
expense of - 🧠 ANSWER ✔✔Force
External-moveable-sheave-type excursion amplifier is used with what type
of prosthesis? - 🧠 ANSWER ✔✔Shoulder Disarticulation
What does the nudge control enable the amputee to do? - 🧠 ANSWER
✔✔Lock and unlock the elbow by pressing lever with the chin
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
4
PRIVACY STATEMENT. ALL RIGHTS RESERVED
