A strong core helps with posture, relieving back pain, and even provides extra power and stability in your other workouts! Plus, the tummy-tightening effects of doing some great core work aren't bad, either.
These toning, strengthening moves are challenging, but so simple. You don't need any equipment, and you'll work all angles of your abs, including the lower part of your rectus abdominis (that six-pack zone!) to keep things nice and balanced. With four moves in just three minutes, you can squeeze this into any part of your day or tack it on to your gym routine. Every day is ab day!