There was equinovarus in the right foot and valgus in the left.
"Anomalies and Curiosities of Medicine" by George M. Gould
In hallux valgus, the metatarso-phalangeal joint of the great toe undergoes changes characteristic of arthritis deformans.
"Manual of Surgery" by Alexis Thomson and Alexander Miles
Scinditur in contraria valgus.
"Wanderings in South America" by Charles Waterton
Improper shoe sizing and shape are the primary cause of ingrown toenails, bunions, corns, hammer toes and hallux valgus.
That way, the patient still has ankle flexor forces and the procedure may help reduce forefoot valgus.