Isometric Quadriceps Exercises for Patients with Knee Osteoarthritis: A Randomized Controlled Trial Comparing Knee Joint Position Flexion versus Extension

Table 2

Baseline characteristics of groups.

	Group I ()	Group II ()	value
VAS rest			0.204
VAS activity			0.157
WOMAC pain (0-20)			0.264
WOMAC stiffness (0-8)			0.320
WOMAC function (0-68)			0.370
WOMAC global (0-96)			0.394

Data are presented as . VAS: visual analog scale; WOMAC: the Western Ontario and McMaster Universities Osteoarthritis Index. Group 1 (quadriceps isometric exercise was performed in knee extension), Group 2 (quadriceps isometric exercise was performed in knee flexion).