So what is 3+1?

The three layers of the upper body are :

So lets look at a practical example from professional icehockey :

- Alle Prinzipien, Methoden, und Übungen für internationale Spitzenleistungen
- Optimale Regeneration & Saisonvorbereitung
- Kraft- & Schnelligkeitsentwicklung
- individuelle Ausdauermethoden
- individuelle Ernährungspläne & Rezepte


Gerrit Keferstein is a Medical Doctor specialised in Performance & Functional Medicine. He is most known for his work on the optimisation of recovery and adaptation in elite athletes.