- “√” means things will be done. WOMAC Western Ontario and McMaster Universities Osteoarthritis Index, TUG Timed Up and Go test, ROM Range of Motion, IL-1 β Interleukin-1 β, IL-6 Interleukin-6, VEGF Vascular Endothelial Growth Factor, TNF-α Tumor Necrosis Factor α, SF-36 36-Item Short Form Health Survey