Fitness classes. From Spinning and aqua aerobics to Yoga and Zumba, women swear by them to keep them in super fine form.

Call us cynics, but we couldn’t help but doubt the workout merits of prancing around a gym studio in skintight lycra.

How wrong we were.

We sent our FHM guinea pig down to try his hand at some of the most popular group exercise classes around, and what came back to the office was a sweaty, quivering mess of a man.

To read the full story and find out which classes you should actually be doing to get in shape (and to see a lot more pictures of fit girls getting even fitter), pick up a copy of the December issue of FHM, out right NOW!

Want to get fit with fit girls? For more info and to find a club near you, head to