The lateral fabella is a sesamoid bone behind the knee which is twice as common in people with knee osteoarthritis. Sesamoids ...

This means some mammals may have sesamoid bones when even members of the same species don't. One such example is the lateral fabella, which is behind the knee and can be found in an average of 36. ...

Another cause of posterior knee pain which is not as prevalent but every bit as painful is a sesamoid bone or an accessory bone (extra bone) in the calf musculature at it’s origin behind the knee.

We’re all familiar with the major bones of a human body, although many folks don’t know their official names. Far less well-known are some small bones, most of which are really tiny, roughly the size ...