Looking for a quick ab workout to fire up your core? This seven-minute intense ab challenge targets your lower abs with no equipment. To find out for myself, I unrolled my yoga mat and gave it a go ...

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 ...

10 min intense ab workout with no equipment required. For more workouts and programs, check out my app Core by Chloe Ting on the app stores Elon Musk leaves the Trump administration, capping his run ...