Biomechanical Gait Analysis: A Guide for Competitive Athletes
https://athletic-motion-guide.brightsora.com/posts/how-to-prepare-for-neuromuscular-training-for-athletes-and-get-useful-feedback
Movement can look simple until you study the details. Biomechanical Gait Analysis can make those details easier to discuss. It is a detailed look at walking mechanics and how body segments work together. The aim is not perfect form