Certified fitness trainer Katie Austin is all about creating mindful movement, and her latest arms and abs interval training workout is a great way to do just that while exercising at home.

When it comes to building a well-balanced fitness program, incorporating exercises that work multiple muscle groups at once, ...

No problem! That’s exactly what this express-style workout is for. In just 15 minutes you'll exert your biceps, triceps, shoulders and abs, so you can expect them to be left looking swole.