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

Two people doing a HupSix interval cardio workout in a small home studio, guided by music and movement.

How HupSix Reinvents Interval Cardio

Cardio has evolved. HupSix delivers guided, music-driven intervals that strengthen your heart without running a mile.

How HupSix Reinvents Interval Cardio

Cardio has evolved. HupSix delivers guided, music-driven intervals that strengthen your heart without running a mile.

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

Best At-Home Cardio Workout: What Actually Works

Looking for the best at-home cardio workout? The most effective routines hit your moderate-to-vigorous zones fast. 

Best At-Home Cardio Workout: What Actually Works

Looking for the best at-home cardio workout? The most effective routines hit your moderate-to-vigorous zones fast. 

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

What Is Cardio Exercise (And Why Most People Ge...

Most people mistake activity for cardio. Real cardio trains your heart—structured, measurable effort that builds endurance and strength. HupSix makes it simple and fun.

What Is Cardio Exercise (And Why Most People Ge...

Most people mistake activity for cardio. Real cardio trains your heart—structured, measurable effort that builds endurance and strength. HupSix makes it simple and fun.

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 to Lose Weight? What Really Counts

How Many Steps to Lose Weight? What Really Counts

The 10,000-step rule was marketing, not science. Steps track movement, not fitness. Real progress comes from cardio-zone minutes that drive fat loss and endurance

How Many Steps to Lose Weight? What Really Counts

The 10,000-step rule was marketing, not science. Steps track movement, not fitness. Real progress comes from cardio-zone minutes that drive fat loss and endurance

heart rate zones chart for cardio training

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.

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.