> just made a hole in skin and muscle
Without reading the article, I'd agree with the above because of "Do not horseplay with compressed air hoses!!" is one of the standard warnings construction foremen have to give to their new hires. Every so often, though, someone thinks it'd be funny to point a 100# compressed airstream from a paintgun or nailer at their buddy's a##. The hose tip just has to get close -not even touching- and the colon fills with air and bursts.