Like the framework of a mighty skyscraper, the core helps humans hold up the weight of the sky. Stay firm against the firmament with today's Groupon to Coreworks Fitness in Columbia. Choose from the following options:

• For $45, you get six-class pass to mat Pilates (a $90 value).
• For $75, you get a six-class pass to reformer Pilates (a $150 value).
• For $84, you get a 12-class pass to mat Pilates (a $168 value).
For $144, you get a 12-class pass to reformer Pilates (a $288 value).

The fitness experts at Coreworks Fitness, a Balanced Body University training center, guide benders and stretchers in strengthening cores and loosening limbs with a variety of mat and machine-based training. A team of certified instructors indoctrinate students with a schedule of courses catering to all fitness levels. Practitioners dipping their toes into uncharted waters may tread into the mat-based Pilates 1 class, in which they’ll acquire the basics of alignment, breath, and muscle control. Pilates 2 furthers the floor education by incorporating small props and backward crab walking, and practitioners can also explore the functions of Pilates machines in a reformer class. The spring-loaded reformer contraptions utilize natural resistance to tone muscles with limited strain on the tendons, ligaments, and webbed toes.