In its constant attempt to stay fit, humanity has given in to such unfortunate workout trends as livestock lifting, Spazzercise, and mixed martial charades. Embrace body and mind fitness that has withstood the test of time with today's Groupon: for $38, you get six yoga classes at Princeton Yoga in Skillman (up to a $108 value). Weekly class schedules vary.

Princeton Yoga's certified instructors lead limb-twisting factions on physically challenging journeys to personal enlightenment, helping yogis of all skill levels reach their stretchy potential with a variety of classes and styles. Princeton Yoga’s instructors forge bendable bods with precise direction and technical oversight during beginner classes, teaching yoga greenhorns basic breathing exercises, foundational poses, and how to pick up pennies with their elbows. Stay relaxed with a Gentle Yoga class, or build stamina with Power Hour classes. Hot yoga sessions utilize thermal 105- to 110-degree temperatures to help improve flexibility and circulation and evacuate toxins, and Ashtanga sessions focus on a series of 61 postures to prepare the mind and body for meditation and pickle-jar wrangling.