Sixty patients with knee osteoarthritis were randomized to receive trunk stabilization exercises (TSE; n=20), Mulligan joint mobilization (MWM; n=20), or isometric knee strengthening exercises (KSE; n=20). The primary outcome of interest was the improvement in the Knee Injury and Osteoarthritis Outcome Score (KOOS). Secondary outcomes included pain severity measured by Visual Analogue Scale (VAS),...