Joint Boss Ortho
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Scanogram numbers
Standing deformity (°)
Direction
Varus
Valgus
Neutral
mLDFA (°)
MPTA (°)
Neutral femur or tibia ≈ 87°. Higher mLDFA = more varus femur. Lower MPTA = more varus tibia.
JLCA (°)
optional
Native slope (°)
optional
Insert you are planning
Undecided — recommend
CR dish
MS / medial-congruent
PS
UC / CS (deep dish, no post)
Name the phenotype
7° varus demo