Plank challenge 30 day for men and women – is a very simple and effective exercises, which have been long known in the sports world. ⭐ In this app we have collected the most effective 5 minute plank exercise for belly fat variations for all skill levels. The program allows to work all muscle groups, especially the abs muscles. Each planks workout for beginners has video, audio and text instructions, and a virtual instructor will be with you all throughout your planks workout. The app contains