Didn’t get that six-pack in time for stomach-showing season? A solid core is just a few minutes away with the Fitstar 10 Minute Ab workout.
At-Home Workout -- you'll spend 5 minutes on each body part. This was a great at home workout!
Neila Rey's Five Minute Plank Workout.I'm not sure I could make it through this. At least not 5 minutes in a row. Kropp since you love planking!
30 day Abs workout challenge - Doing this this month! M, we can do this too.
How to get strong abs without doing a single sit up: The ab workout you need to try (and it doesnt include one single sit-up) Check out the website for more.