If being tackled by a dog is part of your training, you will be putting your future at risk by continuing this occupation.

Did any of your previous concussions happen while working?

What were you doing during PT that lead to a concussion?

What kind of activities/sports did you participate in during jr high and high school?

Concussions have quite a cumulative effect. Then, when one adds in the sub-concussive impacts that tend to not be counted as injuries, the cumulative damage can be quite extreme. The total should also include any serious drunk episodes, especially during youth plus any general anesthesia.

Listing all of the past injuries and possible injuries helps to predict the probability of more serious struggles as one ages.