A bunion is a bony deformity at the base of the big toe, caused when the first metatarsal bone shifts inward, creating a visible bump and pushing the big toe toward the second toe. Brighton Foot & Ankle offers a full range of bunion treatment options in Brighton, MI — from conservative care to minimally invasive bunion surgery — so you can find lasting relief no matter the severity of your condition.
A bunion deformity occurs when the first metatarsal shifts inward while the flexor muscles on the bottom of the foot remain connected to the big toe. This creates an abnormal pull on the tip of the big toe, gradually drawing it toward the second toe over time. In some cases the small sesamoid bones beneath the first metatarsal begin to rotate as well, which can further contribute to the deformity. Hypermobility at the first metatarsal cuneiform joint — where the first metatarsal meets the midfoot — can also play a role by destabilizing the foot and placing additional pressure on the big toe joint, potentially accelerating arthritis.


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