You may remember our original 30-day ab challenge, encouraging you to work your abs from the comfort of your own home. Well, we're back with more! Introducing 'ab challenge 2.0'!

Whether you’re planning on working out at home or at the gym, this ab challenge will help you get a stronger core in just 30 days.

Try it on your own, or ask a friend to join along virtually to help stay connected and increase your accountability.

For a breakdown of each move, scroll to the bottom of the page for a full description and video instructions. 

Windshield wipers

  • Lay on your back with your legs raised straight above your hips
  • Spread your arms straight out to your sides, forming a “T” shape
  • Rotate your legs to one side, stopping just before touching the floor
  • Repeat on the other side for one rep


  • Lie faceup with your legs straight and your arms extended behind your head
  • Raise your torso and your legs at the same time, while keeping your arms straight
  • Try to touch your feet to your hands and hold for a second
  • Slowly lower your legs and your arms to the starting position

High knees

  • While keeping your core tight and your chest tall, swing your right knee upward and your left hand forward simultaneously for one rep
  • Alternate arms and legs throughout this exercise