It’s a new year, and you want to change your workout program, but you’re unsure whether to focus on volume or intensity. You’ve done your research, yet the more articles you read, the more confused ...

It combines strength and cardio into one total body sweat session.

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? With countless ways to mix it up, this type of training is an efficient way to ...