Fig. 3From: Salvage of severe knee osteoarthritis: efficacy of tibial condylar valgus osteotomy versus open wedge high tibial osteotomyIn cases of severe knee OA with inclined medial tibia plateau (decreased MTPD) and increased joint line convergence angle (JLCA) (a), joint instability caused by the teeter effect still exists after the surgery, no matter how OWHTO adjusts the mechanical axis laterally (b)Back to article page