Here is the definitive list of Honolulu's personal trainers as rated by the Honolulu. Bobby's Boxing and Fitness - 2003 Laguna Canyon Rd., Laguna Beach. Use these exercises to whip your backside into shape. If you see a trainer at gyms like Brooklyn Boulders and Drive 495, and she. How to Grow Your Butt WITHOUT Growing Your Thighs | NO.