We're sorry, but online registration is not allowed for this activity. Group Exercise classes, Yoga & Pilates and personal training are available for full members of the facility. Please contact us during regular business hours for registration information. A blended class of yoga and Pilates. To help strengthen the core while working on flexibility and increased connection to the breath.This is a prerecorded class taught by a YMCA instructor that airs on-site at the branch. Category Exercise, Health and Wellness Location Aerobics Studio at West Chester Branch Instructor Margy G.