Tagovailoa still needs to progress through the final stages of the NFL's concussion protocol for that to happen, but he moved one step closer by returning to the practice field. "I feel very good ...
but it’s not included in guidelines or medical literature. To better understand this movement – dubbed a spontaneous headshake after a kinematic event, or SHAAKE – and its relationship to concussions, ...
“There’s such a strong lay understanding of this being associated with concussions,” he said, but it’s not included in guidelines ... hundreds of young adults who had played a sport ...