While feeling the burn during a workout is generally a good sign, feeling the burn while sitting on the sofa means your sofa is in the fireplace. Engage in controlled, constructive body burning with today's Groupon: for $19, you get a one-month gym membership, including unlimited group classes, at Boost FitClub (a $75 value).

Boost FitClub's clean, spacious facilities facilitate fitness fans seven days a week to help visitors of all ages, abilities, and schedules maintain a healthy lifestyle. Whether you’re already a self-directed exercise guru or more of a group-oriented shape shifter, today’s deal nets you 30 days of unlimited access to free weights, machines, and a wide variety of classes led by professional muscle molders. Limber limbs with a yoga course, increase core values with a Pilates mat session, or test your pedal mettle in a dynamic spin course. A unique roster of BoostXpress classes such as Upper Body Xpress conditions muscles in targeted 30-minute clusters, and the like-minded Zumba Xpress presents a fun and fiery blend of dance aerobics buoyed by Latin rhythms and heart-pumping sassiness.

A special children's area supervised by experienced caregivers provides a safe and active sanctum for kids to play while their parents pump and perspire. Month-long members will also have access to club amenities, including a stream room, sauna, and a smoothie bar, where guest can drown their sorrows over a lost love handle.

Reviews

Six Citysearchers give Boost FitClub a 4.5-star average:

• Highly recommend [sic] for those who haven't been satisfyied [sic] with other gyms or trainers. And even more recommended to those who don't have a clue where to start or feel uncomfortable. They amount of support you get from the entire team is amazing. You will be instructed from start to finished [sic] and held accountable for it. – Mr Customer Service
• Very affordable rate options, not too crowded, several support systems in place to lead healthier lifestyle. –rocman24