The bones that form the big toe can become deformed over time and form a bunion. Wearing tight footwear or high heels can increase the chance of this developing, but for some people it may happen regardless. Orthotics with metatarsal pads may help to decrease the deformity and may prevent the deformity from worsening. Please refer to the article below for further reading.
- Nakagawa R, Yamaguchi S, Akagi R, et al. Clinical and Radiographic Outcomes of Foot Orthosis for Hallux Valgus: A Prospective One-Year Follow-Up Study. Foot & Ankle Orthopaedics. August 2016. doi:10.1177/2473011416S00144