Eli5: How do punches create ‘cuts’? Are they treated the same as if you’ve been cut with a knife?

Question

I was thinking specifically about boxing, so like no knuckles. Do other blunt objects cause cuts?

In: Biology

Answer 1

It’s the bone under the skin. Feel your face around your eyes. You’ll notice there is not much between your skin and the orbital socket underneath. Those cuts are from the inside out.