Popsugar Fitness Strength Training 7-Minute HIIT Workout All You Need Is a Wall and Chair For This 7-Minute HIIT Workout April 5, 2022 by Jenny Sugar View On One Page Photo 1 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Jumping Jacks Begin standing with your feet together and arms by your sides. Jump your legs out as you bring your hands overhead, then jump back to standing. This completes one rep. Repeat for 30 seconds. Previous Next Start Slideshow Strength TrainingBodyweight WorkoutsHIITInterval Workouts10-Minute WorkoutsIntermediate WorkoutsFull-Body Workouts