Mako PKA Question and Answer [2026] |
UPDATED ACTUAL Exam | 100% Verified
Answers
• When switching bones or cutting tools during resection, only the bone or tool being
changed must be checked -✓✓ T
• Especially for the sawblade cuts (planar workflow) and tibial post holes, it is suggested
that the leg be flexed to at least -✓✓ 115
• It is recommended to make a second pass over the sawblade cuts -✓✓ T
• After making the tibial floor cut, recommend to do what -✓✓ not breaking off the
floating bone with an osteotome
• For a lateral procedure, the burr only workflow is recommended -✓✓ T
• If the surgeon is having trouble reaching a resection, try suggesting -✓✓ flex knee and
externally rotate tibia
• Sawblade -✓✓ o Green: >.25mm proud of planned cut
o White: between .25 proud of planned cut and .75mm deep
o Red: >.75 deep
o Shuts off .75 deep of planned cut
• Burr -✓✓ o Green: 0mm proud of planned cut
o White: between 0 and 1mm deep of planned cut
o Red: > 1mm deep of planned cut
o Shuts off 1.5mm deep
• Medial uni and bi comp femoral plan -✓✓ 5 int - 5 ext.....AP:1mm proud
5 flex - 5 ext....SI:1mm proud of bone
3 Var - 3 Val...ML: lateralized on condyle
• Medial uni and bi comp PF plan -✓✓ 4 Int - 0 Ext....AP: 2mm proud of bone at troch
groove
5 flex-5 ext....SI: 2mm proud of patellar transition zones
3 var-2 val...ML: center of troch
• Medial uni and bi comp tibial plan -✓✓ 5 int - 5 ext...AP: on cortical rim
3 -7 slope...SI: 2.5-3.5 proud
0-1.5 varus....ML: on cortical rim
, • Lateral uni Femur -✓✓ 5 ext- 5 int...AP:1mm proud
5 flex - 5 ext SI: 1mm proud
3 var - 3 val: centered on condyle
• Lateral uni Tibial -✓✓ 10 int - 5 ext...AP on cortical rim
0-1.5 val...SI 2.5-3.5 proud
0-7 slope....ML on cortical rim
• all cuts can have motorized alignments except which -✓✓ femur distal surface
• flexion >115 needed in two poses -✓✓ tibia floor, tibial posts, and posterior femur
(planar)
• planar cuts -✓✓ tibial floor and posterior femur
• array stabilizers and rio setup needed for planar or burr -✓✓ planar
• burr can be on operative and contra side? -✓✓ T, planar operative only
• Femur pins -✓✓ flex leg, 4 fb superior of patellat, medial to saggital midline, 45
degrees, bicortical fixation
• tibia pins -✓✓ 4 fb distal of tuberosity, medial of crest, 45 degrees, bicortical fixation
• femur checkpoint -✓✓ 10mm anterior to MCL, 10mm away from nearest cut, good
hard bone, easily reproducible, divot facing distally
• tibia checkpoint -✓✓ 10mm away from nearest cut, anterior face of tubericle, good
hard bone, easily reproducible
• CT landmarks -✓✓ hip center, femur knee center, M epi, L epi, tibia knee center,
rotational landmark, M mal, L mal
• bone registration -✓✓ segmentation, CT landmark
patient landmarks
bone reg
bone ver
• joint balancing poses -✓✓ extension 5-10
mid flexion 45
flexion 90
max flexion 100-120
UPDATED ACTUAL Exam | 100% Verified
Answers
• When switching bones or cutting tools during resection, only the bone or tool being
changed must be checked -✓✓ T
• Especially for the sawblade cuts (planar workflow) and tibial post holes, it is suggested
that the leg be flexed to at least -✓✓ 115
• It is recommended to make a second pass over the sawblade cuts -✓✓ T
• After making the tibial floor cut, recommend to do what -✓✓ not breaking off the
floating bone with an osteotome
• For a lateral procedure, the burr only workflow is recommended -✓✓ T
• If the surgeon is having trouble reaching a resection, try suggesting -✓✓ flex knee and
externally rotate tibia
• Sawblade -✓✓ o Green: >.25mm proud of planned cut
o White: between .25 proud of planned cut and .75mm deep
o Red: >.75 deep
o Shuts off .75 deep of planned cut
• Burr -✓✓ o Green: 0mm proud of planned cut
o White: between 0 and 1mm deep of planned cut
o Red: > 1mm deep of planned cut
o Shuts off 1.5mm deep
• Medial uni and bi comp femoral plan -✓✓ 5 int - 5 ext.....AP:1mm proud
5 flex - 5 ext....SI:1mm proud of bone
3 Var - 3 Val...ML: lateralized on condyle
• Medial uni and bi comp PF plan -✓✓ 4 Int - 0 Ext....AP: 2mm proud of bone at troch
groove
5 flex-5 ext....SI: 2mm proud of patellar transition zones
3 var-2 val...ML: center of troch
• Medial uni and bi comp tibial plan -✓✓ 5 int - 5 ext...AP: on cortical rim
3 -7 slope...SI: 2.5-3.5 proud
0-1.5 varus....ML: on cortical rim
, • Lateral uni Femur -✓✓ 5 ext- 5 int...AP:1mm proud
5 flex - 5 ext SI: 1mm proud
3 var - 3 val: centered on condyle
• Lateral uni Tibial -✓✓ 10 int - 5 ext...AP on cortical rim
0-1.5 val...SI 2.5-3.5 proud
0-7 slope....ML on cortical rim
• all cuts can have motorized alignments except which -✓✓ femur distal surface
• flexion >115 needed in two poses -✓✓ tibia floor, tibial posts, and posterior femur
(planar)
• planar cuts -✓✓ tibial floor and posterior femur
• array stabilizers and rio setup needed for planar or burr -✓✓ planar
• burr can be on operative and contra side? -✓✓ T, planar operative only
• Femur pins -✓✓ flex leg, 4 fb superior of patellat, medial to saggital midline, 45
degrees, bicortical fixation
• tibia pins -✓✓ 4 fb distal of tuberosity, medial of crest, 45 degrees, bicortical fixation
• femur checkpoint -✓✓ 10mm anterior to MCL, 10mm away from nearest cut, good
hard bone, easily reproducible, divot facing distally
• tibia checkpoint -✓✓ 10mm away from nearest cut, anterior face of tubericle, good
hard bone, easily reproducible
• CT landmarks -✓✓ hip center, femur knee center, M epi, L epi, tibia knee center,
rotational landmark, M mal, L mal
• bone registration -✓✓ segmentation, CT landmark
patient landmarks
bone reg
bone ver
• joint balancing poses -✓✓ extension 5-10
mid flexion 45
flexion 90
max flexion 100-120
