Fitness and lifestyle influencer Rebecca-Louise shares her favorite moves for a sexy back and 6-pack abs. Check out Anna on Rebecca-Louise’s channel here: Find more videos from Rebecca on her socials: YouTube: Instagram: Website: Facebook: Twitter: Pinterest: POPSUGAR Fitness offers fresh fitness tutorials, workouts, and exercises that will help you on your road to healthy living, weight loss, and stress relief. Check out Class FitSugar, our do-it-along-with-us real-time workout show hosted by Anna Renderer who will inspire you to sweat…