The 28-Day HIIT Challenge – Day 7

Perform each set three times before moving to the next. Rest for 30 seconds between sets. Sprint Cross Jack Seal Jack Mountain Climber Squat Reverse Lunge Squat Hold Lateral Lunge Plank T-Stand The Mummy High Knees Push-Up Pike Bicycle Crunch

30 Minute Beginner and Intermediate HIIT Workout

Perform each set three times before moving to the next. Rest for 30 seconds between sets. Sprint Cross Jack Seal Jack Mountain Climber Squat Reverse Lunge Squat Hold Lateral Lunge Plank T-Stand The Mummy High Knees Push-Up Pike Bicycle Crunch

22 Minute Intermediate HIIT Workout

This workout will tone, tighten, and strengthen. Do each set three times. Rest for 30 seconds after each set. Jumping Jack Squat Jump Side Suicides Jump Lunge Sprint T-Stand Burpee V-Up 1-2 Push Sprinter Sit-Up Plank Punch