About the Author
is the co-founder of Tune Up Fitness Worldwide, creator of the corrective exercise format Yoga Tune Up® and The Roll Model® Method. With more than 27 years of study in anatomy and movement, she is a pioneer in forging relevant links between the worlds of fitness, yoga, massage, and pain management. She is known as the Teacher’s Teacher and has trained thousands of movement educators, clinicians, and manual therapists to incorporate her Therapy Ball products into fitness and medical facility programs internationally. Jill and her Roll Model products have been featured on The Today Show, Good Morning America, Fox News, ABC News,
and in publications such as O, Shape, Fitness, W, Self, Yoga Journal, Redbook,
She is also a contributing fitness expert to the LA Times
and the Oprah Winfrey Network.