Exos | Formerly Core Performance

Set Your Fitness Goals. We'll Help You Achieve Them.

Join for free and you'll gain instant access to our tracking and reporting tools, expert coaching tips, and a free trial to our personalized training and nutrition programs.

Core Knowledge


Physioball Plate Crunch (Behind Head)

Starting Position

  • Lying face up, body arched over the ball, holding a weight behind and supporting your head


  • Drape body over ball, feeling mild stretch in abs
  • Curl trunk and pelvis together while keeping the belly button pulled in
  • Return to start position and repeat for prescribed number of repetitions


Coaching Keys

  • Arch the torso completely
  • Be sure to roll the chest and hips toward your belly button

You Should Feel It

  • Working your abdominals

Tags: Pillar strength, Weight Plates, Abs, Physioball