From: Differences between native and prosthetic knees in terms of cross-sectional morphology of the femoral trochlea: a study based on three-dimensional models and virtual total knee arthroplasty
45° cross-section
Lateral tilt angle (°)
Medial tilt angle (°)
Sulcus angle (°)
MP
15.5
6.8
157.7
Triathlon
15.4
14.3
150.3
NRG
15.6
148.9
NexGen
14.8
149.8
Native knee
18.5 (2.6)
20.8 (2.8)
140.7 (4.4)