Popsugar Fitness Workouts Summer Workout 7-Day Get-Psyched-For-Summer Workout Plan March 29, 2016 by Jenny Sugar View On One Page Photo 3 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Complete this tush-toning interval workout (on a treadmill or outside near a hill), followed by this core-firing 20-minute ab workout. Previous Next Start Slideshow WorkoutsCardio WorkoutsIntermediate Workouts