try a 3 minute workout that targets the upper and lower abs /

Short on time but gain large ab goals? You can fit this rapid/fast session into any part of your day,and you don't even need equipment. Try these three moves for one minute each to work the lower abs and that six-pack area; you'll be burning up, toning, and even giving your booty some love,too.
Related:
Get Washboard Abs With This 5-Minute, No-Equipment Workout

Source: popsugar.com