Special section: Feet: Agonies of the feet: Four common foot problems
Special section: Feet
Bunions
They develop when the joint formed by the metatarsal and proximal phalanx bones of the big toe fall out of their normal, relatively straight alignment and angle out, creating an outward bulge at the base of the big toe. The bursa that cushions the joint may also get inflamed and enlarge. Often the end of the metatarsal bone becomes larger and misshapen.
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