This is not your run-of-the-mill fitness book. Developed by world-renowned gluteal experts offers an extensive fitness and nutrition guide seeking to improve their physique, function, strength, and mobility. Contreras spent the last eighteen years researching and field-testing the best methods for building better butts and shapelier bodies. In this book we offers the programs that have proven effective time and time again with our clients, allowing you to develop lean muscle, rounded glutes, and greater confidence. Each page is packed with good information, providing a better understanding as to why most fitness programs fail to help people reach their goals. With a comprehensive nutritional guide and strength exercises, this book gets people off the treadmill and furnishes their drive to achieve strength, power, and sexy curves from head to toe. Although the glutes are the largest and most powerful muscle group in the human body, they often go dormant due to lifestyle choices, leading to a flat, saggy bum. Scientifically Proven Ways to Grow Muscle Fis the cure! Order your copy now!