Katie Austin Shares 3 Full-Body Exercises That Will Get You Stronger for Summer

The SI Swimsuit model and fitness entrepreneur shared a snippet of one of her go-to gym routines.
Katie Austin

Katie Austin.

We can always rely on three-time SI Swimsuit model Katie Austin for a dose of fitness inspiration. On Tuesday, the certified fitness trainer and health coach offered up a quick routine for building muscle on TikTok.

Austin instructed her followers to perform single leg RDLs to rows, squats to presses to cross crunches and, finally, plank leg raises to weighted burpees. She suggested doing each for 30 seconds followed by another 30 seconds of rest. “Try it next time you’re at the gym!” she wrote of her strength training tips.

The 29-year-old model and entrepreneur noted in her caption that the exercises are “some of my favorite total body combo workout moves,” so they’re great to add to your fitness routine if you’re looking to build muscle this summer.

Her fitness program, The Katie Austin App, offers more than 250 on-demand workouts, as well as tasty, healthy and simple recipes. Plus, Austin recently launched a full-body strength program, so if you’re motivated by the quick snippet above, download her app to try out the new class.

Austin, daughter of fitness guru Denise Austin, returned for her third year with the SI Swimsuit Issue this May. The reigning co-Rookie of the Year posed for photographer James Macari in the Dominican Republic.

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Cara O’Bleness


Cara is a trending news writer/editor for Sports Illustrated Swimsuit. A passionate writer and editor with more than 10 years of experience in print and online media, she loves storytelling and believes that words have the power to change the world. Prior to joining the team, Cara worked as a writer and editor across a number of content verticals, including food, lifestyle, health and wellness, and small business and entrepreneurship. In her free time, Cara loves reading, spending time with her family and making her way through Michigan’s many microbreweries. She is a graduate of Michigan State University's School of Journalism.