Add this three-minute finisher to your workout if you want a stronger core

Smiling woman performing the plank exercise in a domestic setting .

If you want to improve your core strength, you don’t have to spend hours doing sit-ups. You can challenge and strengthen the muscles in your midsection with this quick circuit below, and it only takes three minutes!

Add this six-move finisher to your workout, perhaps after this equipment-free upper-body workout, or beginner home workout.