Get ready to turn things up a notch on Day 3 of Kayla Itsines’s 5-Day Workout Challenge for Yahoo Life readers. The Australian personal trainer and co-creator of the Bikini Body Guides (BBG) fitness ...

BBG, short for Bikini Body Guide, has been around for the better part of this decade thanks to Australian trainer Kayla Itsines. She then launched the SWEAT app, where you can find BBG as well as the ...

If you were online between 2014 and 2017, you probably came across the Bikini Body Guide at some point. Maybe you were a practitioner yourself, dutifully sweating your way through a PDF of the ...

Add Yahoo as a preferred source to see more of our stories on Google. Even Kayla Itsines, an Australian personal trainer and co-creator of the Bikini Body Guides (BBG) workout program, has days when ...

Kayla Itsines has been an athlete all of her life and a personal trainer for 10 years, but when she gave birth to her daughter, Arna, seven months ago, she was back at square one or, she said, even ...

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