A far, far better book is "The New Rules of Posture". [1] See my review at [2] which also briefly explains why "8 Steps" is bad.
[1] https://www.amazon.com/New-Rules-Posture-Stand-Modern/dp/159...
[2] https://www.amazon.com/gp/customer-reviews/R2CVZCSXVLQ1EM
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A far, far better book is "The New Rules of Posture". [1] See my review at [2] which also briefly explains why "8 Steps" is bad.
[1] https://www.amazon.com/New-Rules-Posture-Stand-Modern/dp/159...
[2] https://www.amazon.com/gp/customer-reviews/R2CVZCSXVLQ1EM