Cathy Serif’s Ab-Wheel Workout
What you need to do to work up to the ab wheel.
Ab Exercises for Women
Latest in Ab Exercises for Women
The Partner Ab Workout for Core Strength and Stability
Two’s company! Double up on your results and have some fun in the process with this partner-assisted core routine.
5-Minute Plank Fitness Quest: Final Check-In
Congratulations! You've mastered the 5-minute plank.
6 Plank Variations for a Killer Core Workout
Spice up your planking with these variations.
The ‘Wheel’ Deal on Ab Wheels
It may not be easy, but it sure is effective — learn how to get the most out of an ab wheel, then dig into these two beginner and intermediate workouts.
Fitness Quest: 5-Minute Plank in 30 Days
Five minutes of planking plank may sound like an impossible goal, but this plan will get you there in just 30 days.
Scary Tough Workouts: Zombie Sit-Ups
This exercise will leave your abs feeling a little more dead (or should we say undead) than usual.
Weighted Core Workout with Bethany Davis
Grab a dumbbell or plate and try this four-piece core routine!
The Dumbbell Core Workout for Tight, Toned Abs
Tighten your abs and strengthen your lower back in two easy steps a day — along with a four-move routine you can complete anywhere with nothing more than a dumbbell and a pillow.
How to Do Wall Walks
Work your whole body and get vertical with this badass, arachnid-like move.
Exercise-Ball Ab Circle
Work the muscles deep in your abdominals with this challenging move.
How to Do a Medicine-Ball Plank
Take your plank — and your core — to the next level with this stability move.
The Best Core Exercises for Low-Back Pain
Activate your core and strengthen your back with this comprehensive guide of techniques to decrease pain and improve spinal health.
Bridge With Weighted Arm Extension
Works your glutes, thighs, arms and shoulders with a focus on your core.