Yesterday evening, I had a really strange experience. I walked pretty fast through an open door, because my food was ready. I wasn't catious enough due to beein in a hurry and snaged with my left under arm on the left door frame. This resulted in a very fast turn of about 90 degrees of my whole body. The head itself did not move the full 90 degrees, because of the necks rotational ability(I hope you know what I mean here).

In conclusion, this incident resulted in extreme fatigueness a few minutes after it happened. I was so tired that I fell asleep. Today I'm still a bit dizzy. Actually, I have no explanation of this. I also don't know wether this can be called a subconcussive impact, as the head itself didn't hit anywhere.