"Brava! … A gargantuan amount of blood, sweat and tears went into envisioning and putting together all of the findings into a comprehensive textbook that any serious practitioner in the health care and movement field will find invaluable."

— Sarita Allen, Ailey Extension Faculty and Founder of the Ailey Barre Program

"The Lotte Berk Method has enabled us to keep our strength and flexibility because of how we use our bodies. I am living proof at age 80 … This is the method for anti-aging."

— Lydia Bach, Owner and Founder, The Lotte Berk Method (US)

"Jill has achieved through her meticulous research a fascinating insight into the origins and development of Barre, as well as the sometime elusive history of both the person and the legacy of the legendary Lotte Berk. Here we have the inside scoop on what exactly makes Barre such an effective movement method and how we can hone and refine our own teaching."

— Anne Cheshire, Trauma Recovery Clinic, Edinburgh, Certified Barre Instructor by Lotte Berk

"Written by internationally acclaimed Barre expert Jill Rose Jacobs, this critical research is a must-read for all Barre instructors, participants, and all health and wellness professionals looking to elevate and differentiate their programs and services with the real science behind Barre training. This highly detailed compilation includes the first in-depth exploration of the original Barre creator, Lotte Berk, and her innovative approach to movement. Ms Jacobs separates herself by including her years of research and documentation of the academic science behind this program and its physiological and health benefits. The first of its kind, I highly recommend this book!"

— Carol Espel, Fitness and Program Director, Pritikin Longevity Center + Spa

"It’s terrific, Jill, that you want to bring Lotte back to her rightful place, not in the fitness world, but in the performing arts. I'm so thrilled."

— Esther Fairfax, An Interview with Esther Fairfax, documentary, 2017

"… clearly a significant contribution to knowledge in the field. The methodological innovations are also notable."

— Dr. David Grant, Senior Lecturer, School of Creative Arts, Queen's University, Belfast; and Dr. Emma Redding, Head of Dance Science at Trinity Laban Conservatoire of Music and Dance – Doctoral Panelists

"Brava to Jill for this intensive research and data! FINALLY, there is documentation that factually clarifies the extensive history of the barre fitness world! A true barre fitness education on how this technique can support dancers and athletics."

— Elisabeth Halfpapp, Barre Fitness Pioneer, Co-owner of CoreBarreFit

"Jill's technique is effective and useful both for an approach to dance and a routine suitable for treating and solving physical and psychological problems. Her exercises can be performed, with dedication and joy, by a large and differentiated audience, without any impediment even for a group characterized by advanced age. A new proposal which aims to increase well-being."

— Gianluca Schiavoni, Ballet Dancer and Choreographer, Teatro alla Scala