A few years ago, I made a decision to improve my fitness. I decided to take on the challenge of training for a few minutes a day, and to do that in a way that would make me as effective as possible.

That's how I came up with the idea of making a 5-Minuten High-Intensity Training (5-Minuten-HIT) app.

The basic principle of 5-Minuten-HIT is simple: If you do a few minutes of really intense training every day, you will get more power, more stability, more concentration, and more flexibility.

You don't have to train hard, you just have to train smart.

It is a simple and effective way to improve your fitness. All you need is a smartphone with a good camera and a good internet connection.

The app is free to download.