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Table 1 Maximal knee joint angle reached during the stepping-down performance of the leading leg and of the supporting leg during the swing phase.

From: Sensori-motor adaptation to knee osteoarthritis during stepping-down before and after total knee replacement

Maximal knee joint angle
Leading leg Controls Patients before surgery Patients after surgery
Right / Sound 45.4° +/-4.7 49.2° +/-10.5 58.3° +/-23.4
Left / arthritis / operated 46.2° +/-7.3 33.7° +/-14 40.9° +/-12
Supporting leg Controls Patients before surgery Patients after surgery
Right / Sound 79.9° +/-10 81.2° +/-6.3 67.3° +/-29.1
Left / arthritis / operated 82.7° +/-4.4 55.3° +/-14 52° +/-21.2