Get ready to sculpt your core with this quick yet effective 10-Minute High-Intensity Interval Training (HIIT) workout. Designed to maximize fat burn while engaging your core, this workout features a sequence of body weight exercises that are perfect for any fitness level. You’ll perform each exercise for 40 seconds, followed by a brief 20-second rest period, allowing you to push hard and recover quickly.

The workout begins with the "3/4 Sit-up," an impactful exercise that challenges your abs while requiring minimal equipment—just your body weight. This preparation sets the stage for activating your core muscles right from the start.

Next, you’ll move on to the "Elbow to Knee Crunches." This dynamic move is excellent for engaging the oblique muscles, working to trim your waistline while building core strength. Follow it up with the "Floor Crunches," a classic that targets the upper abs and helps create that coveted six-pack look.

Then, we have the "Alternate Heel Touches," where you’ll engage your side abs while focusing on stability and control. The "Knee Touch Crunch" follows, designed to further engage your core and improve your flexibility while still relying on body weight.

The workout continues with "Cocoons," a total-body exercise that requires coordination and stability. This is followed by the "Bicycle Crunch," which is excellent for targeting multiple muscle groups in the core area and gaining endurance.

Transitioning to a different challenge, you will perform the "Opposite Crunch," focusing on working the abs while also including some extended range of motion. The routine ends with the "Alternate Leg Raises" and "90 Degree Heel Touch," both of which are fundamental exercises aimed at solidifying your core strength and enhancing stability.

In conclusion, this 10-Minute HIIT core workout is perfect for those with a busy schedule who still want to incinerate calories and build core strength. Remember to keep your form strict, breathe through the movements, and enjoy the burn. Your commitment to this quick but potent routine will deliver results in no time!