What Does 'Pulsing' In A Workout Class Mean?

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

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

The Truth About Heart Rate and When It Doesn't Matter

Squat Pulses: The Lower Body Move Your Routine Is Missing

5 Ways to Add Intensity to Your Workouts

Pulse Club at The Waterfront Pulse Life – The heart of the

The best online workout classes to keep fit at home

What is squat pulse? Is it more effective than normal squats? - Quora

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

Exercise Intensity: Definition, Recommendations, Measurement

High Calorie-Burning Workouts: How Many Calories Do You Burn Doing