I did a pretty good Brent last Monday. It was my first ride on my MTB on a trail I've hiked a lot. Coming down the steepest hill on the trail (and it's not very steep), I lost control, went over the handlebars and face planted right on my recently surgically-correct eye.
I had a nice cut above the eye and my glasses were bent a bit. I was riding with a friend so he came back to check me out. A family came by and gave him some tissues to clean the blood from my face. Then we finished the trail and head home on streets and bicycle trails.
After assuring him that I was all right, we split up about 1 mile from my house. I rode the rest of the was without incident. Of course, I can't remember much of the crash and the ride home. I don't remember the family at all. So obviously I got a little concussion too. Fortunately, I remember everything since I got home for the ride and have had not further concussion symptoms.
Final injury tally is:
Cut above the eye.
A little swelling around the upper side of the eye.
Very painful area on my chest just to the right of the breastbone. There's no bruise so I might have cracked or broken something, but don't really think so.
The helmet I was wearing is totally unscathed. It looks like I hit the front visor and that pushed the helmet backwards over my head. I think that maybe I'll look for a reasonable full-face helmet for future rides.