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. This mat work class focuses on the body's core stability. Enhance your control, stability, coordination, endurance, balance, strength and flexibility. Category Exercise, Health and Wellness Location Group Exercise Studio at Lionville Branch Instructor Chrissy Shiring