That’s where a four-day workout split can make your life a whole lot easier. As the name implies, a workout split is a ...

It starts with a two-minute warm-up with exercises like seated supine twists, thread the needle and downward dog included.

By day four, I was feeling it. Laughing, bending down, and just getting into position for the workout had my abs reminding me of every rep. By the seventh day, my core wanted a day off ...