Do you need more confidence? Or do you just want to feel strong and good? You can learn the fine skills of the world's most famous self-defense methods at Trainingscentrum Helena and get yourself physically and mentally to a high level. You learn several methods of Krav Maga, the self-defense technique that has been developed in Israel, and you’ll be trained by Martijn Bos. Martijn is the highest certified Krav Maga trainer of the world outside of Israel. He makes sure that you go home with a strong feeling and better skills.