Mako 101 Exam 2024 | Mako 101 Exam
Update Latest 2024 Questions and
Correct Answers Rated A+
Looking at the functional flexion axis from 10 degrees to 120 degrees,
the posterior condyles of the femur are ___________ shaped. -
ANSWER-Circular
Describe the four benefits of the single radius design -ANSWER-1.
Functional stability. 2. Reduced quad forces required in knee
extension. 3. Reduced patella stress. 4. Important for activities where
stability is needed (descending stairs, rising from a chair, driving)
The Triathlon single radius knee is designed to address: -ANSWER-
stability during active flexion (where most motion occurs)
The single radius philosophy is based off of what two sources: -
ANSWER-1. Observations from cadaveric studies. 2. SOMA
Databases.
The single radius design restores the single center of rotation and
allows for constant ligament tension from ____ degrees to ____
degrees of flexion. -ANSWER-10 degrees to 110 degrees
Which resections create the extension gap? -ANSWER-Distal Femur
and Tibia
Which resections create the flexion gap? -ANSWER-Posterior Femur
and Tibia
,What is the thickness of the distal and posterior aspects of the femoral
component? -ANSWER-8.5 mm
Extension and flexion gaps should be: -ANSWER-As equal as
possible
The single radius allows for constant ligament balance and ________
force required by the quadriceps. -ANSWER-Less
The ____________ muscles help stabilize the knee during gait -
ANSWER-quadriceps
Triathlon's shortened and flared posterior condyles facilitate the ". " of
the soft tissues to enable ". " without excessive slope. -ANSWER-
relaxation of the soft tissue to enable deep flexion (up to 150 Degrees)
without excessive slope
The shortened posterior condyles allow for accommodation of up to
_____ degrees of internal/external rotation -ANSWER-20 degrees
Triathlon's deepened trochlear groove is designed to help ________
the extensor mechanism, enable _________ flexion, and reduce
___________ ______________ exerted across the patella. -
ANSWER-relax, deeper, contact stresses
Triathlon's ____ Degree flange is designed to provide the flexibility to
____________ the femoral component while avoiding the occurrence
of ___________. -ANSWER-7; downsize; notching
To reduce air-balling you can ______ flexion ______ the femoral
component. -ANSWER-remove; from
, To reduce notching, you can ______ flexion ___ the femoral
component -ANSWER-add; to
When you downsize the femoral component, you will often need to
_____ flexion. -ANSWER-add
Describe the anthropometric design of triathlon. -ANSWER-Designed
to address smaller anatomies often found in females, while still
accommodating larger male patients
Describe the function of the cam/post design in Triathlon PS. -
ANSWER-designed to engage at 45 Degrees, replicating the
engagement of the PCL. Provides stability through gait and allows for
deep flexion.
How will resecting the PCL influence the extension gap? -ANSWER-It
will open the extension gap, decreasing flexion contracture or creating
hyperextension.
A cadaveric study by Invaco et. al. demonstrated that
_______________ baseplates provided greater coverage in anterior
quadrants compared to _________________ designs. -ANSWER-
symmetric; assymetric
Asymmetric trays have higher rates of ____________ and
___________ overhang compared to _____________________
designs. -ANSWER-posterolateral and posteromedial; symmetric
Triathlon incoroporates the same PF design as ______________,
which demonstrated less than 1 percent of PF complications in
multiple studies. -ANSWER-Duracon
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