Plus, did you know you can mix up your circuits depending on your goals? Whether you're trying to lose body fat or build muscle, there's a smart way to train. Scroll on to find out exactly how.

Try this exclusive Kayla Itsines' BBG Beginner workout: Work through the circuit for 7 minutes, trying to take minimal breaks before the timer goes off.

Join Jillian Michaels as she takes you through six beginner circuits of cardio and strength exercises that will help to melt away the pounds and build muscle This ...

Never used a kettlebell before? Start with this beginner-friendly routine to build strength all over safely Story by Sam Rider • 2mo ...