Doing planks is one of the most popular and effective types of exercise in the world. A plank workout helps to exercise not only the abdominal muscles, but also the shoulder muscles and, in fact, all the muscles of the body.

So in case, you haven’t tried it yet, here’s a simple plank-making plan that will help you feel shiny, and it will only take four minutes of your time each day.

Preview photo credit Depositphotos