At Total Woman Gym + Spa we take great pride in the diversity and breadth of our group fitness classes – and so do our members. Group fitness is the heart and. The Crunch gym in Lancaster, CA fuses fitness and fun with certified personal trainers, awesome group fitness classes, a “no judgments” philosophy, and gym. Mixing the hottest music with cutting-edge exercise science, motivation and the energy of many, LES MILLS ™ group fitness classes make you fall in love with. Ab Workout for Group Fitness Classes From 6-Pack Abs to Power Yoga, take your pick of more than 15 unique group fitness classes offered seven days a week at various times throughout the day. Led by amazing instructors, our group fitness classes offer community, energy and motivation to create a transformative experience and deliver fitness results. Be part of a community that moves and motivates together. All classes are included in your membership and are the perfect way to stay inspired and challenged.