Itsines
Itsines refers to Kayla Itsines, an Australian fitness trainer and entrepreneur whose work has shaped modern digital fitness. Emerging from social media in the early 2010s, Itsines built a large following by sharing workout guidance, progress photos, and nutrition tips on Instagram. In 2014 she co-founded the Bikini Body Guides (BBG), a 12-week program of mostly bodyweight workouts intended for home use. The program was published as a series of ebooks and online guides and contributed to a wave of internet-based fitness coaching aimed at women.
Itsines and her business partner, Tobi Pearce, expanded the brand beyond the BBG program by launching the
In addition to its digital programs, the Itsines brand has released printed guides, apparel collaborations, and