CrossFit: ACE-Sponsored Study Puts Popular Workout to the Test

Strong abs are about more than good looks—they are key to increasing core strength and endurance, improving posture, reducing low-back pain and enhancing sport performance. ACE commissioned exclusive research to determine just how effective some of the most popular devices and ab exercises are in comparison to the traditional crunch.

Some call them the vanity muscles—and for good reason. In gyms across the nation, the biceps are among the most coveted, sought after and overly trained muscles in the human body. But what’s the best way to safely build strong and defined biceps? Exclusive ACE-sponsored research evaluates eight popular biceps exercises to determine which is the most effective.