So hard! Try this to tone your abs when your stuck sitting all day long.

Work your abs while you sit at your desk chair! 12-Minute Seated Core Workout | via @SparkPeople #fitness #exercise #video

7 little things you can do when driving, sitting at your desk, or laying in bed that will help tone your ab muscles without too much effort!

While sitting, keep your spine tall and exhale as you rotate, inhale as you return to center and no one will know you're working your abs!

Abs Workout: 5-Minutes to a Flat Stomach

10 Crunch-Free Moves for Killer Abs - Try this Pilates and kickboxing-inspired circuit for strong, defined abs. via SHAPE (sample of piloxing - love it! @Lindsey Grande Grande Grande Grande Fordham) health-fitness-happiness

Tone Your Abs Without Crunches 22 ways

10 Moves for a Flat Stomach

16 Moves to Terrifically Toned Inner Thighs - Fit Sugar

A feel-good stretching routine to try any time of day.

Skip the Crunches: 7 Ways to Work Your Abs Standing - You can tone your abs without ever doing do a crunch again. And the good news gets even better. Standing ab exercises tone your middle while working your entire body, increasing your caloric burn. Try these six full-body exercises; since they're functional moves, they will make you stronger for activities outside the gym, too.

Trainers Reveal: The Best Abs Exercises of All Time 20 top fitness experts reveal their go-to move for a flat, sexy stomach

25 Ways to Tone Your Abs Without Crunches

Have a Ball and Tone Your Abs: Quick Core Workout

V-Ups. These will work you hard!

Need a fun, challenging workout to try, challenging workout, workout, routines, workout routines

The Ultimate Abs and Back Workout 6 bodyweight moves to build a rock-solid core and put an end to back pain. #Shape

8 moves to firm up your butt, tone your thighs, tighten your core and zap love handles.