WWE has reportedly revised their handing concussions to talent. If a wrestler shows indications of a concussion, or is diagnosed with one, they are immediately pulled from the ring and can’t return until they pass the Impact testing.
In the case of talents who have passed the test but aren’t put back in the ring to wrestle, it’s because they also have to show no signs of any post-concussion syndrome, plus be able to engage in physical contact activity without any signs of headache, fogginess or nausea.
A talent must pass Impact testing, exertion tests and have one of WWE’s doctors clear them before they return.
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