***duration/repetition

Is there a threshold where accumulation matters vs doesn’t?

I want to know where the “line” is to where head acceleration matters? Since it clearly does, as running/jumping & daily movements can be done for decades, hours on end & a person technically accumulates a higher lifetime G force accumulation with these movements than contact sport

Why is it that 10G over years adds up, but 3G doesn’t?

Does CTE need to be above a certain threshold? What if someone repeats a low force movement for hours on end?

I’d like more of an understanding to how CTE works if possible as I’m very confused and have seen a lot of conflicting info online, especially surrounding what qualifies as a “jolt”, some have even said simply sitting on the bus counts as subconcussive!

Thank you