Learn about Cardio

Science-backed, clear answers and expert tips to help you train smarter, improve endurance, and get more from your cardio workouts.

Cardio FAQ & Facts

Best At-Home Cardio Workout (Is HupSix Right for You?)

Best At-Home Cardio Workout (Is HupSix Right fo...

Looking for the best at-home cardio workout? The most effective routines hit your moderate-to-vigorous zones fast. Here’s why HupSix does it better.

Best At-Home Cardio Workout (Is HupSix Right fo...

Looking for the best at-home cardio workout? The most effective routines hit your moderate-to-vigorous zones fast. Here’s why HupSix does it better.

Woman checking heart-rate zones on smartwatch during cardio training.

What Is Cardio? (And Why Most People Get It Wrong)

Cardio isn’t any movement that raises your heart rate. Learn what counts — and why vigorous minutes matter.

What Is Cardio? (And Why Most People Get It Wrong)

Cardio isn’t any movement that raises your heart rate. Learn what counts — and why vigorous minutes matter.

Why Vigorous Minutes Matter (And How HupSix Gets You There)

Why Vigorous Minutes Matter (How HupSix Gets Yo...

Vigorous minutes build endurance fast. HupSix helps you hit them in 30 minutes with fun, music-driven cardio that actually works.

Why Vigorous Minutes Matter (How HupSix Gets Yo...

Vigorous minutes build endurance fast. HupSix helps you hit them in 30 minutes with fun, music-driven cardio that actually works.

How Many Steps a Day Do You Need?

How Many Steps a Day Do You Need? (Here’s the R...

Steps don’t build cardio fitness—time in zone does. Here’s why ‘10,000 steps’ isn’t the full story.

How Many Steps a Day Do You Need? (Here’s the R...

Steps don’t build cardio fitness—time in zone does. Here’s why ‘10,000 steps’ isn’t the full story.

How to Calculate Heart Rate Zones (And Why Zone Minutes Matter

How to Calculate Heart Rate Zones (and Why They...

Heart rate zones show how hard your heart works—and how to make every minute count.

How to Calculate Heart Rate Zones (and Why They...

Heart rate zones show how hard your heart works—and how to make every minute count.

How Accurate Are Fitness Trackers? Why We Prefer Chest Straps

How Accurate Are Fitness Trackers? Why We Prefe...

Fitness trackers help with awareness, but steps and calories miss the point. What matters most is time spent in your moderate and vigorous heart-rate zones.

How Accurate Are Fitness Trackers? Why We Prefe...

Fitness trackers help with awareness, but steps and calories miss the point. What matters most is time spent in your moderate and vigorous heart-rate zones.

Cardio FAQ & Fact Guides

Welcome to Cardio FAQ & Facts—your resource for smart, effective cardio workouts. Here you’ll find expert-backed articles on how to improve cardio and build endurance in just 30 minutes a day. Whether you’re comparing cardio vs strength training, looking for muscle-building cardio, or searching for the best workout to complement your lifting routine, these guides show you how HupSix delivers results without the treadmill.