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10 Best CrossFit Abs Workouts to Test Your Strength through Different Planes of Motion

The best CrossFit abs workouts will provide the tools you need to build a strong, stable core to protect you from injury and enhance your performance in the box. Your core stabilises and controls much of your movements, and is vital for spinal health, so it’s important to focus on your core in training.

The movements of our body occur along three different planes. A great deal of WODs and exercises virtually ignore the third. Here’s how to attack, train and strengthen this weakness using the following CrossFit Abs Workouts.

Muscles of the Core

Movements of the Core

Action of the TrunkWhat the Action Looks Like (Move Your Body!)Primary Muscles
Trunk flexionBend forward, or “curl up” actionRectus abdominis (trunk flexors)
Trunk extensionStand up straight (from bent over), bend backwardsErector spinae (back extensors)
Trunk rotation (ipsilateral and contralateral rotation)Twist to the left and rightInternal and external obliques
Lateral trunk flexionBend to the sideObliques and one side of rectus abdominis and erector spinae
Compression of the abdomenDraw your belly button into your spineTransverse abdominis
Spinal stabilityHolds your spine stable during movementMultifidi
crossfit abs workoutsSource: CrossFit Inc
A strong core is vital for almost all workouts.


Think about the exercises you do. Squats, thrusters, deadlifts, clean and jerks, pull-ups, handstand push-ups; in all these movements the weight is transferred up and down along a straight line. All these movements occur along the sagittal plane. The sagittal plane divides the body into two symmetrical halves – left and right.

1 Sagittal Plane CrossFit Abs Workout

  • 21 Strict toes to bar
  • 21 Overhead squats
  • 15 Strict toes to bar
  • 15 Overhead squats
  • 9 Strict toes to bar
  • 9 Overhead squats

For the weight, men should use 50kg and women 35kg. 


5 sets not for time of:

  • 20 V-Ups
  • 15 Tuck Crunches
  • 20 Second Hollow Hold
  • 20 Second Arch Hold

Check out how to enhance your core strength through the Coronal plane on the next page…

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