A free program for Android, by Maciej Kozłowski.
Atlas ćwiczeń KFD.PL is a new and unique application that will help you get the abdominal muscles you have always wanted. In addition, it will help you get rid of excess fat and achieve the desired body figure.
With the application, you will be able to perform many exercises that you can find in a gym. In addition, you can learn how to do the “deadlift” or “squeezing soldier” and other exercises to get the muscles you have always wanted.
You can find all of the exercises and training plans in the application.