After watching Dr. Vad on TV, I purchased the above book. It's excellent but I took issue with some of the supine exercises. I'm a fully certified Pilates Instructor. I also have serious neck issues as have most of my older clients. He insists on the head being held up which places an enormous amount of strain on the neck,even if the head is in the correct "head nod" position BEFORE lifting the shoulders off the mat. The head should NEVER trail behind the shoulders. (page 72 and page 102) I feel he should have given options, i.e. do not lift head if any strain. The general public, reading this book and seeing those photos, would try and do exactly as seen.