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What's the Deal with Those Phantom Morning Abs?
Experts explain the Instagram phenomenon.
The Equipment-Free Hips and Waist Workout You Can Do In 10 Minutes
Give your curves a little burns-so-good love.
The Summer Workout That Begs You to Lose the Sweater
Your body is *always* ready for summer—but this workout will help your mind get there.
Why Is It So Hard to Sculpt a Full Six-Pack?
~ Holds plank for forever ~
The Best Exercises for Lower Abs That You Haven't Tried Yet
These creative moves are more effective (and more fun) than your usual go-tos.
6 Lower Abs Exercises for a Flat Stomach and a Strong Core
The SISSFiT sisters show you six moves that work those hard-to-reach lower abs.
Why Can't I See My Abs?
Maybe they're hiding in the kitchen.
How to Get a Flat Stomach Without Exercise
These lifestyle tweaks do more than crunches ever could
The 5-Minute Abs Routine to Add to All Your Workouts
All it takes is just 5 minutes and you'll have six-pack before you know it.
The Beginner Abs Workout That Burns Fat and Builds Muscle
Because fitness starts and ends with a strong core.
The Killer Gym Towel Workout for Your Arms & Abs
Save your towel to wipe up all the sweat.
The Ultimate Lower Abs Workout from Emily Skye
Including one never-before-seen move that will *rock* your body.
The No-Crunch Abs Workout for a Tabata-Style Burn
Four minutes dedicated to carving your six-pack.
Karlie Kloss Shows Off Her Stability Skills In New Adidas Campaign
You've gotta see this move.
Is It Safe to Do Planks While Pregnant?
Our experts weigh in on planking for two
Yoga-Inspired Side Plank Variations That Will Torch Your Obliques
Obliques are on fiiiiiireeeeee.
The 5-Minute Standing Yoga Flow for a Stronger Core
Bye, Boat Pose
The 10-Minute Ab Workout for Toned Lower Abs
If anyone knows about toning your lower abs, it's trainer and YouTuber @KymNonStop
5 Unknown Muscles That Secretly Affect Your Abs
These non-ab muscles are the sneaky secret to a stronger core
These Abs Exercises Double As Cardio for a Double-Duty Workout
Burn fat and chisel your core at the same time.
The Ultimate 4-Minute Workout to Sculpt a Stronger Core
Burn crazy cals and fire up those obliques in 4 minutes flat.
Gunnar Peterson Shares the Best Way to Lose Love Handles
Celebrity trainer Gunnar Peterson serves up a plan you can actually follow.
7 Small Changes You Can Make Every Day for Flatter Abs
Small daily swaps = big changes in your waist
This Cheerleading-Inspired Core Exercise Will Have Your Abs On Fire
(Warning: It's harder than it looks!)