Fall Back into Fitness Day 3: Interval Cardio and Core

Jessica Smith
by Jessica Smith
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Fall Back into Fitness Day 3: Interval Cardio and Core

For the third day of the Fall Back into Fitness, we’re doing higher-intensity interval training and standing core work that targets the major muscles of the core, including the abdominals, lower back and glutes.

In the workout video, I’ll take you through a higher-intensity interval session that can be done in a small space using just a sturdy chair. I’ll show you how to adapt some of the tougher, traditional high-intensity, high-impact moves like mountain climbers, jacks, lunge jumps and more. We’ll be adding in some standing core work during our active recovery periods between intervals, too. Advanced exercisers, feel free to go all-out during these exercises.

Prefer to do your own thing? Awesome! Schedule 20–60 minutes of your favorite interval training workout, and include some targeted core exercises, if possible.

Log this workout in your MyFitnessPal app as “AEROBICS, HIGH IMPACT”

Hey, Team! Let us know once you’ve completed your workout today! Tell us about it in the comments below, or tag us in your social media check-ins @myfitnesspal so we can cheer you on!


> Fall Back Into Fitness Pledge

> Day 2: Steady-State Cardio

> Day 4: Strength Circuits

About the Author

Jessica Smith
Jessica Smith

As someone who struggled to lose weight for years, Jessica found that the key to her own 40-pound weight loss was making small, healthy lifestyle changes that led to big, lasting results. Now, as a certified wellcoach, fitness instructor and personal trainer, she has spent the last 15 years helping students and clients reach their goals in New York City, Los Angeles and Miami. She now reaches millions online through her YouTube Channel and home exercise DVD series. Please visit walkonwalkstrong.com to learn more about her fun, results-driven programs for all levels of exercisers.