Wellness Fitness The Secret to J.Lo's Incredible Abs, According to Her Trainer Want abs like Jennifer Lopez? This simple at-home move can help you get them. By Health.com Editorial Team Health.com Editorial Team The editors at Health are a dedicated team of experienced health editors, writers, and other media professionals who strive to bring trustworthy and responsible health and medical content to their readers. As a team, we have decades of experience in health journalism and have worked at legacy publishers and some of the biggest news and media companies in the U.S. health's editorial guidelines Updated on January 8, 2020 Share Tweet Pin Email Jenny from the block has her abs on lock. And there isn’t a crop top or cutout dress that doesn’t know it. One key to the 48-year-old entertainer’s chiseled middle: side-plank oblique crunches, says her trainer David Kirsch. "It’s perfect for when you need to focus on shaping and toning not only the obliques but the entire core," he says. Jess Levinson How to Do Side-Plank Oblique Crunches Start in side plank, with legs extended and feet and hips stacked; rest left forearm on floor under shoulder. Place right hand lightly behind head (A). Rotating torso, bring right elbow in toward belly (B); return to start. Do 15 reps per side 3 times a week to start seeing toned abs in 2 weeks. Was this page helpful? Thanks for your feedback! Tell us why! Other Submit