We’ve all been there: You wake up and promise yourself that today will be the day you get back to the gym. But eight hours after sitting in an uncomfortable chair, it's 6 PM and you're too exhausted ...

While classic core exercises like sit-ups and crunches are certainly an effective way to train your abs, they are not the only way. If you prefer to stay standing for your workouts, then this ...

Boost core strength after 50 with this 6-minute standing routine that works your abs, obliques, and back, no planks or floor work.