Popsugar Fitness Workouts Partner HIIT Workout This HIIT Partner Workout May Not Be as Hot as Sex, but You'll Get Just as Sweaty June 22, 2018 by Jenny Sugar View On One Page Photo 2 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Partner Plank Hops What it works: Abs Directions: Partner 1 holds an elbow plank. Partner 2 performs a lateral hop over Partner 1. This counts as one rep. Previous Next Start Slideshow WorkoutsBodyweight ExercisesHIIT Workouts