10 Causes of Bunions
Reviewed: Dr. Gromatzky
Cause #2: Overpronation
Bunions and calluses on the feet are often caused by chronic overpronation. The big toe can act as a cushion to prevent the foot from breaking inwards, which is known as overpronation. This is when the arches of the feet tend to roll inwards or downwards. A more common term to describe the problem is known as flat feet.
Pronation is a mechanism that prevents our feet from moving from side to side when you’re moving about. Overpronation, on the other hand, is an excess of this, and can lead to problems like bunions.
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