4 of 4 people found the following review helpful
Excellent and very informative.,
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This review is from: L'entraînement spinal: 80 exercices pour en finir avec les maux de dos (Paperback)
Wonderful exercises that are easy to master, with no equipment required. It has done wonders for my back and posture. I highly recommend this book, it also has an extensive preface with lots of useful information.