Joint fusion surgery involves fusing two or more bones to grow into one larger bone. Doctors may recommend it for people with severe joint pain or instability. Severe joint pain can occur due to ...

The SI joint lies between two bones, the sacrum and the ilium. The sacrum is a big, triangle-shaped bone at the base of your spine. The ilium is the big bone in your hip. The SI joint is where the ...

Foot fusion surgery is an operation that fuses one or more joints in the foot into a fixed position. This eliminates joint motion that may cause pain for people with certain conditions, such as ...