From: Analysis of knee flexion characteristics and how they alter with the onset of knee osteoarthritis: a case control study
Duration (s)
Flexion ROM in swing (°)
Flexion ROM in stance (°)
OA knees
1.12 (0.09)
54.8 (5.5)*
10.25 (4.0)*
Non OA knees
-
57.6 (4.6)
14.08 (4.3)
Controls
1.06 (0.11)
61.2 (6.1)*
18.04 (4.0)*