A previous Blog/Vlog in the Principled Strategies series discussed in detail how the Drivers of human movement are used in designing programs based on the concept of authenticity. Programs that are comprised of movements that resemble the actual activities that our clients need or want to do will provide a large degree of authenticity. Authenticity considers the position of the person relative to gravity, the position of the body segments relative to each other, and the parts of the body that Drive the movement.