ProRoller Pilates Essentials 2nd Edition Author:Angela Kneale Gain additional body awareness, develop better posture, and challenge core strength by utilizing the Pro-Roller with Pilates exercise. The Second Edition of Pro-Roller Pilates Essentials by Angela Kneale, OTR, now includes over 40 exercises that also improve your balance, strength and flexibility. Clear instructions and color photographs, 52 pages.