Holding a yoga pose builds strength, discipline, and immunity to motion-sensor devices. Increase your stillability with today's Groupon to just plain yoga, located in Camp Hill. Choose between two options:

• For $45, you get one month of unlimited yoga classes (a $100 value).
• For $24, you get three drop-in yoga classes (a $48 value).

With 14 experienced instructors and 11 styles of yoga to choose from, just plain yoga's wide range of classes allows yogis of all levels to stretch their muscles and center mental energies. Build strength, stamina, and flexibility without missing your afternoon conference call with the lunchtime power-hour class or melt away anxiety with a 75-minute bout of meditation. Check the schedule to see which classes allow drop-ins to swing by for three individual classes. Those who opt for the month of unlimited yoga can attend as many drop-in classes as they wish in a one-month period. With 27 classes available each week, body benders can progress through the levels of Hatha, Ashtanga, and Vinyasa yoga or just morph into a classroom statue.

Just plain yoga features two full studios, one with bright hardwood floors and soothing natural light, and the other with carpeting for more rough-and-tumble yoga practices. Participants can bring their own yoga mats or rent them from just plain yoga's small shop ($2/rental). A changing area is available for making the after-class transition from yoga pants to Batman costume.