The Bikini Pro-Approved Workout for Sleek, Sexy Abs
hoozone / Getty“This routine helps achieve definition while keeping the waist small and tight. Everything is done with body weight—so you can do it anywhere," sayd IFBB bikini pro Jennifer Ronzitti. "All exercises should be performed with a 2-0-2 tempo [two seconds to perform movement, zero seconds at the top of the movement, two seconds...