How to do a Heel Tap

1. Heel tap

heel tap
Heel taps are great for beginners. 

How to do it: 

  1. Lie on your back with your knees bent at a 90-degree angle with feet off the ground.
  2. Keeping your knees bent, extend one foot to touch the floor then return to the starting position.
  3. Repeat on each leg 10 times for a total of 20 reps.

Muscles targeted: Lower abs