👣 What Exactly Is a Bunion? Let’s break it down in a way that actually makes sense! A bunion, medically called Hallux Abducto Valgus (HAV), is a progressive deformity of the big toe joint. Over time, the big toe gradually drifts toward the second toe, while the first metatarsal bone shifts outward. ➡️ This creates that classic bump on the side of the foot — but the bump isn’t just bone growing… it’s the joint shifting out of alignment. HAV is not just cosmetic. It affects biomechanics, causes j