Sports related as well, i crashed hard during a road cycling race in 2010. I was unconscious for a while, with headaches for a couple of days. Then all the symptoms "magically" disappeared so i resumed my training. A month later i had to be operated because they discovered blood was pooling inside my skull.

I just want you to know i i know how it feels, man. You love your sports and you wanna go out there and enjoy them but now you also have to carry this huge burden over your shoulders (maybe literally) that stops you from doing it as hard as you want. Maybe you just need to take it slow while your symptoms disappear.

I know you don't need advice from a stranger but maybe contact sports aren't such a good idea for the time being. With concussions, you never know. You said you like hockey, right? I'm sure you've heard all about the concussion epidemic in the NHL. Maybe even Sidney Crosby's concussion woes. It took him over a year for him to get better...

Hi Rob.
Sorry to hear about your cycling accident. How long ago was that?

I'm definitely staying away from all contact sport in the summer. Going back to something safer like tennis. NHL concussion epidemic won't be as bad in non-checking hockey but the risk is definitely still higher than sports like tennis.

Hi everyone,

Bumping up this thread to give an update. The symptoms went away mostly about two weeks ago. I then started a graduated exercise routine: 1. light stationary biking 2. medium stationary biking, light resistance 3. heavy resistance + cardio exercise.
I was fine going through all three phases but there was one occasion in which a rebounded tennis ball hit me in the chin and gave me slight dizziness. I immediately stopped the activity and took the rest of the day off (about last week).
However, two days ago, I was playing some pretty hardcore tennis and all of a sudden, my neck felt like it cracked on a swing and the dizziness came back. I had a music rehearsal the next day which I could not finish because playing in an orchestra aggravated my symptoms (believe me, it is freaking loud).

I guess my main question is, every time I have this type of problem, I always feel like my left upper neck is a bit "off". Some cracking sounds when I bend my neck and a bit of a pain while swallowing. Could it be possible that I have a neck injury that makes me more prone to these mild concussions?

Thanks so much!

Yes, I made that comment after your first post. Boxing also is very rough on your neck. Tennis has so much head movement to follow the ball and follow your stroke that it very likely aggravated your problems.

I have problems from tilting my head back to focus using the bottom lens of my tri-focal glasses.

I had one too, as well as concussions. You may need physical therapy before continuing physical activities.