Simplified, bunions result when the big toe shifts over to the lesser toes and the bone behind it shifts out, resulting in a prominent bump.
- As the big toe shifts over, the capsule and other soft tissues surrounding the big toe joint become stretched resulting in the stretch receptors to fire and cause pain. As the bunion gets worse and potentially bigger, the increase in stretch results in the increase in pain.
- There is a nerve that along the bunion bump that gives sensation to part of our big toe. As the bunion gets bigger, the nerve becomes stretched. Tight shoes compress along the bump and can give that sharp, shooting pain.