Rubi Fitness

Want a flat stomach or even six-pack abs?

The No-Crunches Ab Workout You Can Do at Home Want a flat stomach or even six-pack abs? You've got to try this workout!

Prepare to become more buff than ever before!

6 Things You Should Never Do at CrossFit Prepare to become more buff than ever before! Camille Leblanc-Bazinet, the Fittest Woman on Earth, shares her top CrossFit dos and don'ts.

20-Minute AB WORKOUT: 4 Moves to Rock that Midsection! (Video Included) -->

Get Rock-Hard Abs with 4 Moves No equipment needed! All you need for this workout is some motivation, good music and determination. The best part? You can easily get rock-hard abs from this bodyweight workout in only 20 minutes! Join me and trainer Gideon Akande as we show you four...

30-Minute HIIT Plus a Printable 7-DAY TRAINING SCHEDULE -->

30-Minute Holiday HIIT By Jaime Baird and Lisa Steuer The holidays are here, and as a result, you may find yourself falling behind on your fitness. After all, your schedule is most likely packed with parties, shopping and other festivities that seriously cut into your gym time....

Get ready to fine-tune your abs and b***y during this short, efficient workout.

11 Minutes to a Stronger Core and Butt

The lunge switch with the hip circles will be your new love-to-hate move. via SHAPE

Do This Dynamic 4-Minute Workout Now Body, meet Tabata.

Surprising reasons your belly can balloon, and how to deflate it fast.

8 Simple Ways to Get Rid of Belly Bloat

Functional training mixed with full body transformation in just 30 minutes per workout.

The Functional Fitness Routine That Will Transform Your Body

Tone from head to toe with this calorie-blasting barre workout.

The Barre Class That Really, Really Burns

These classic Pilates exercises will carve your core in no time.

12 Classic Pilates Moves That Double as Ab Exercises

This quick ab workout features the fundamentals for an easy yet efficient way to carve your core.

The Quick Ab Workout You Can Do in 12 Minutes

Try these 8 core-sculpting exercises, each of which are more effective than the standard crunch, to tone your tummy—and entire body—fast.

8 Brilliant Ways to Exercise Your Core Without Even Realizing It