Monthly Archives: August 2026

What is an Accessory Navicular?

Accessory Navicular Bone on Xray

An accessory navicular is an extra bone that people can be born with in their foot or feet. It is located on the inner side of the foot right above the arch, and gets its name because it grows so near the primary navicular bone. It also goes by its Latin names, os naviculare or… Read more »

Bone on Bone Arthritis and the Stages of Osteoarthritis

bone on bone arthritis shown on an xray

Bone on bone arthritis is a common term that describes end-stage arthritis. When arthritis reaches “end-stage,” there is no articular cartilage left in the joint space to cushion the bones, which causes them to grind together and get the name bone on bone arthritis. Key Takeaways: Osteoarthritis is categorized by four stages: early, mild, moderate,… Read more »