Originally Posted by JohnKSa:
It is inaccurate to say that temporary stretch cavity does not/can not cause permanent damage in tissue because it can be documented that it actually can and does cause permanent damage under the proper circumstances.
Unfortunately, this subtle distinction is lost upon many. It alll depends upon the elasticity of the tissue (its "stretchiness") that is being struck. Muscle, lungs, most GI tissue is very elastic - brain, liver, kidneys, not so much.