Sit-ups remain one of the best methods of reshaping the abdomen, second only to standing in front of a lit cannon. Enjoy explosive exercise with today’s Groupon.
$25 for 10 45-minute boot-camp sessions (a $100 value)
FitMania works to build strong, svelte bodies with personal and small-group training sessions and nourishes minds with a blog full of nutrition tips. Instead of pulling clients toward fitness goals with iron-plated gym shorts and a giant magnet, trainers push them in the right direction with goal-setting exercises, exercise demos, and personalized feedback. Individual and group workouts teem with high-intensity intervals of cardio and strength-training exercises, helping participants melt fat and build muscle mass to burn calories efficiently.