I agree with the part that the impact forces the blood out to the edges. excellent
Originally posted by shades
The dome shape of the paint ball forces the blood in the impact area from the center of ground zero to the outside edges of the paintball dia. causing the capillaries on the outside dia. to hemorrage(bleed/leak/break)leaving the inner portion of the impact area strangely pale for awhile, due to the blood that was forced out. Hence a RING is born! Then whole area of impact may or may not bruise depending on how much capillary damage was done and where the hit occured. Either giving you a RING bruise or a BIG *SS one. Im sure angle of impact figures in, relating to the shearing forces on the skin and capillaries. You will normally get more bruising over soft tissue areas than over bones where the shell of the ball is more likely to break the skin. Example: The knuckles of the hand. Ouch! But hardly a bruise. But of course this how I look at things because I am a R.N.
BTW I believe its the velocity of the paint in the ball that causes the ball to break not the impact of the shell, otherwise it would bounce off of you like a ping pong ball or a super ball. So, to those people want to freeze their paint to hurt someone, sure it will hurt but you will never tag any one out.
Whoever loves discipline loves knowledge, but he who hates correction is stupid.