The Pilates Loft is a studio offering Pilates sessions in Arlington, Virginia by appointment or scheduled classes from Monday through Sunday. Each session runs from 50 to 60 minutes and is led by a certified Pilates instructor using the method and equipment designed by Joseph Pilates. Sessions are available in the following formats: private lesson, duet lesson, trio lesson and group classes. The biggest group size in a group class is 8 participants. Group classes are mat/tower classes. They involve aerobic exercises designed to promote flexibility, core strength and body alignment. Clients are assigned to classes based on their physical abilities. Teacher certification is available.