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The term “cavovarus” refers to a foot with an arch that is higher than normal, and that turns in at the heel. Weakness in the peroneal muscles and sometimes the small muscles in the foot are often the cause of a cavovarus foot deformity. As the deformity worsens, there can be increasing pain at the ankle due to recurrent sprains, painful calluses at the side of the foot or base of the toes, or difficulty with shoe wear.

Morton’s neuroma is not actually a tumor—it is a thickening of the tissue that surrounds the digital nerve leading to the toes. Morton’s neuroma most frequently develops between the third and fourth toes, and occurs where the nerve passes under the ligament connecting the toe bones (metatarsals) in the forefoot.