ORTHOTICS AND PROSTHETICS FINAL EXAM (Q&A) ALREADY PASSED.
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ORTHOTICS AND PROSTHETICS
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ORTHOTICS AND PROSTHETICS
ORTHOTICS AND PROSTHETICS FINAL EXAM (Q&A) ALREADY PASSED.ORTHOTICS AND PROSTHETICS FINAL EXAM (Q&A) ALREADY PASSED.ORTHOTICS AND PROSTHETICS FINAL EXAM (Q&A) ALREADY PASSED.ORTHOTICS AND PROSTHETICS FINAL EXAM (Q&A) ALREADY PASSED.ORTHOTICS AND PROSTHETICS FINAL EXAM (Q&A) ALREADY PASSED.
ORTHOTICS AND PROSTHETICS FINAL
EXAM (Q&A) ALREADY PASSED.
Which K level describes no ability or potential to ambulate or transfer safely. Individual
not elligible for prosthetic Answer -K0
Which K level describes the ability or potential to transfer, ambulate on even surfaces?
Answer -K1
Which K level describes the ability or potential to traverse low level environment, but a
limited community ambulator? Answer -K2
Which K level describes the ability to ambulate with variable cadence, independent
household and community ambulator? Answer -K3
Which K level describes the ability to exceed basic ambulation skills? High impact,
running children, active adults, athletes. Answer -K4
what is an endoskeletal prosthesis? Answer -Modular, meaning the ankle or leg part
can be changed and adjusted
what is an exoskeletal prosthesis? Answer -Structural strength from outer laminated
shell. Very durable, but cannot be adjusted once completed due to no interchangeable
components.
Which prosthetic foot is designed to absorb shock and allow movement of the shank
over the foot? more common for K1 prosthetics. Answer -SACH foot. A solid ankle
cushion heel foot. It has no ankle mechanism.
What is a single axis foot prosthesis? Answer -A prosthesis that has an ankle joint
that enables the foot to tilt up and down. Can be heavier.
What is a multiaxial foot prosthesis? Answer -Features articulating joints which
allows a rocking motion of the foot from heel to toe, as well as from side to side. May
experience twisting or rotating around the longitudinal axis.
What type of hydraulic ankle/foot prosthesis is one that uses various sensors to
continuously monitor the user's movement and adjust both the ankle and stiffness of the
ankle? Answer -Microprocessor ankle Prosthesis
What type of ankle prosthesis provides plantarflexion with power and works on loading?
Answer -Powered ankle
,What is the directional alignment of the transtibial prosthesis during static standing
balance? Answer -It's the line dropped from the greater trochanter, through the knee
to the ankle. Bisects the knee slightly anterior to the ankle. foot in 5-7 degrees of ER
and socket in 5-8 of flexion.
what are the causes of excessive knee extension at initial contact with a transtibial
prosthesis? Answer --Too long of a toe lever arm and see posterior placement of
socket over the foot.
-Heel too soft
-not enough socket flexion
What are the causes of excessive knee flexion at initial contact with a transtibial
prosthesis? Answer --Too hard of a heel
-Too much dorsiflexion
-high heel shoe
-socket is too flexed
-short lever arm causing socket to be placed anterior
What is the cause of excessive rising of hip during midstance with a transtibial
prosthesis? Answer -Prosthesis is too long
What is causing a patient to walk with a wide base of support with a transtibial
prosthesis? Answer -- Outset of the foot causing the flat foot
-medial leaning pylon caused by the socket being too adducted.
What is causing a patient to walk with a narrow BOS with a transtibial prosthesis?
Answer -- inset of the foot
-lateral leaning pylong caused by the socket being too abducted
What is causing knee instability/drop off at terminal stance with a transtibial prosthesis?
Answer -- Foot is too soft and short foot
- too much socket flexion d/t heel height
-prosthetic foot may be too heavy for patient
What is causing prolonged extension during terminal stance with a transtibial
prosthesis? Answer -- foot is too stiff so can't get over the foot
-The foot is plantarflexed
-there is a long toe lever
What is causing toe catching with swing through with a transtibial prosthesis?
Answer -- Foot excessively plantarflexed
-loss of suspension
-pistoning
-pain
, what is causing vaulting on the sound side with a transtibial prosthesis? Answer -
See plantarflexion on the sound side to clear the prosthesis
-prosthesis may be too long
-insufficient suspension (pistoning)
-medial shelf is too high
-anterior displacement of the socket
-long toe lever and foot too stiff
What is causing circumduction with a transtibial prosthesis? Answer --leg too long
-poor suspension
-weakness in hip flexors/hamstrings
What causes toe out with a transtibial prosthesis? Answer --short toe lever arm
- excessive ER at the hip
-weak hip muscles
What causes maintained flexed position during swing phase with a transtibial
prosthesis? Answer --quad weakness/extensor lag
-contracture
What causes a short step length on the transtibial prosthesis side? Answer --hip
ROM and quad strength on contralateral side
-weak hip flexors/hamstrings on prosthesis side
-pain
-poor suspension
Hip contractures less than how many degrees can be accommodated in a transfemoral
prosthetic socket? Answer -25 degrees
How does severe hip flexion contractures affect an individual with a transfemoral
prosthesis? Answer -- limit the ability to stand upright
-limits the ability to balance over lower extremities
-limits ability to shift trunk during ambulation
-requires more energy for ambulation
What is the most important factor is prosthetic outcome? Answer -Precomorbidity
What is the primary function of a quadrilateral transfemoral prosthetic socket? Where is
the socket narrower?A quadrilateral socket has 4 distinct walls to contain the thigh
musculature. Answer -Primary function is to provide weight bearing during the
stance phase of gait and to have the hip and thigh muscles function at maximal
potential during the stance phase. The socket is narrower at it's anterior-posterior
portion.
In an Ischial containment socket, what does the socket encapsulate? What changes are
made to the anterior-posterior and medial-lateral dimensions in this socket? Answer
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