When you’re in a crunched for time, training with purpose gets difficult.

Such occasions call for 30-minute HIIT workouts that make the best of a bad situation.

Instead of winging it, come prepared with effective routines that do the most with what you’re working with.

Turning to high-intensity interval training—implementing a high work to rest ratio that keeps your heart rate elevated for most (if not all) of the session—helps train your conditioning and elevate your metabolism to trigger fat loss.