It combines strength and cardio into one total body sweat session.

Fitness is always top of mind this time of year, as many athletes begin to fine-tune their disciplines and many casual exercisers re-up their commitment as part of their resolutions for the new year.

Ready to kick your New Year training regime into gear? Women’s Health and Men’s Health have joined forces with Lindahls for a series of six fun, fast-paced workout classes this January at Circuit ...