With the plank you not only train your abs, you train your entire torso, your strength and if you do it often enough, you get a toned stomach.
Reasons enough to do this 5 minute workout.
The workout is by Neila Rey. At www.neilarey.com you will find a new free workout every week, which you can do at home.
Read also 7 variations on the shelf
Image:Neila Rey &Shutterstock
