Walking in Minimalist Shoes Is Effective for Strengthening Foot Muscles – Dr. Ridge’s research showing how walking in minimalist shoes built foot strength as much as doing an 8-week foot strengthening exercise program. 

Foot Core Training to Prevent Running-Related Injuries: A Survival Analysis of a Single-Blind, Randomized Controlled Trial – Dr. Sacco’s research showing 250% fewer injuries over the course of a year in runners who did an 8-week foot strengthening program. 

Irene Davis, Ph.D.: Evolution of the foot, running injuries, and minimalist shoes – Dr. Davis’s interview with Dr. Peter Attia about natural movement and footwear