The mass of one human is 62kg. Hope this helps!
A boxer's ability to sense the position of his arm and hand before planning a punch is dependent on the sense of <span>proprioception.</span><span>
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Basketball is very rough and I know because I have played for 7 years. We should have more protection on our legs and maybe our arms because we do fall a lot and have to defend which gets very physical. I mean some do where knew guards but I think it should be a requirement
All of them could be intentional/unpreventable, we are only talking about an injury so I would say the plane crash.
