What Does 'Pulsing' In A Workout Class Mean?

Because if it doesn't, pulsing is dead to me. 

What Is LISS Cardio? Here's Everything You Need to Know to Get Started

Super Human Core Burnout PULSE Program Day 3

5 Ways to Add Intensity to Your Workouts

Heart Rate Zones for Cardiovascular Exercise

Calisthenics Workout: 15 Beginner At-Home Exercises

How Long Does It Take to Get Fit Again? - The New York Times

What is Exercise Intensity? [+How To Measure It]

Pulsing Squat - HIIT Exercises for Legs – Group HIIT

Learn the Pure Barre Lingo