When compared to mixed-gender populations, the members of all-female lizard species are stronger, happier, and 10 times more likely to be named Trisha. Today's Groupon brings together likeminded ladies to increase fitness, morale, and results: for $30, you get a one-month unlimited basic membership and service fee to Curves (a $167.24 value). Choose from 16 Ottawa-area locations.

Members at Curves, a fitness center designed specifically for women, rotate around a circuit of hydraulic resistance machines that have been designed to work with female bodies and promote weight loss, protect against osteoporosis, and deal with arthritis. An experienced trainer is always nearby to help manage participants’ machine maneuvering and muscle making. Instead of fiddling with weight stacks and losing momentum, the hydraulic machines use an individual's body weight, fitness level, and aerodynamic water bottle to create resistance that matches abilities, decreasing the risk of soreness or injury. Because traditional lift-and-lower motions create bulky muscles, each machine uses push-and-pull motions to create toned, lean muscles perfect for crushing a grapefruit without looking like you can.

For 30 minutes, limbering ladies move around a circuit that positions machines inward so that they'll have a chance to share laughs and secret handshakes with fellow fitness frontierswomen. Because each workout warrior is at a different station, the only competition that exists is with one's own burgeoning muscles. A soundtrack of fun, upbeat music includes cues that tell participants it's time to move on to the next station. The complete aerobic and strength-training workout raises heart rate and burns calories while allowing women to meet new friends, arrange a girls' night out between labored breaths, or plan a wardrobe of revealing bikinis for their newly svelte doppelgänger.