The viral fitness trend prioritizes healthy habit-building over step count and intensity. Here's how it worked for me.

Looking for some home cardio workout videos you can do indoors from the comfort of your air conditioning? We’ve got you covered. From coast to coast, record high temps are sweeping the country this ...

In the second edition of our six-part cardio challenge, fitness instructors Astrid Swan and Ridge Davis walk you through butt kickers, army crawl planks, triceps dips, crab walks and more—all ...

In the first of our six-part cardio challenge, fitness instructors Astrid Swan and Ridge Davis walk you through heart-pumping jumping jacks, high planks, quadrupeds and more.This workout is designed ...

The hardest part of working out consistently? Getting started. Once you do, though, you start feeling (and soon, seeing!) the positive impact on your mind and body. No matter your age or experience, ...

The good news is that you don’t have to run to build cardio fitness. If pounding pavements isn’t your thing, this no-equipment HIIT workout from a cardio and strength coach will still send your heart ...

Watch on DVD or Blu-ray starting January 1st, 2010 - Buy Bob Harper Ultimate Cardio Body 1 Extreme Cardio Challenge DVD ...