There is unfortunately a dearth of useful information on this topic, hence this blog. Kelly’s book Becoming A Supple Leopard is available from several locations including Amazon and Barnes & Noble.

We have found that many athletes and coaches, however, lack a basic
understanding of anatomy and biomechanics and so we recommend seeking
out resources like Thomas Myers’ Anatomy Trains, and the work of Eric Cressey, Gray Cook, and Stuart McGill.