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Originally Posted by eurobounce
The best way to explain it is this way--a NFL running back twists his knee--he goes to the locker room to get a shot. Next thing you know he comes back out and runs for 2 TDs and 200 yards. After the game he gets an MRI and he has a torn ligament. Huh--how did he not feel the pain?
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With a football player, I think they usually give them a shot of cortisone. That is quite different from a nerve-block. Trainers use cortisone too.