just a lowly orange belt and still learning but in the big boys group with the seniors (includes black belts) and we throw each other and stuff, but last week when one of the fellas threw me (rather rapidly) the velocity was such that it jarred my neck. I had two sleepless nights where it hurt to lift my head off the pillow and shift position and now 6 days later it still aches when I do abdominal exercises. Is this normal for karate ? I don't mind a bit of bruising but spinal trauma ?!?