Sit-ups aren’t the only way to strengthen your core. This TRX abs workout has seven TRX exercises designed to challenge your abdominals and core stability.
Christine Yu is a freelance writer, certified yoga instructor, runner and wannabe surfer. She covers topics ranging from yoga, running, general fitness and gear for a number of other online publications and is a contributor to espnW.com. She is also the author of the blog Love, Life, Surf, which was named to the Babble 100 Best Bloggers 2013. Christine lives in Brooklyn, NY with her husband and two sons.
Articles by Christine Yu
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