lipica shah is an instructor for the american red cross. what is the difference between a sprain and a strain? >> a sprain is the stretching or tearing of ligaments at a joint. and a strain is the stretching or tearing of your muscles and tendons, so, just different body parts. >> so, what do we do? >> so, let's all get on the ground, because if you hurt your ankle, you'd be on the ground. regardless of whether it's a sprain or a strain, we treat it the same way using the acronym rice -- r.i.c.e. that stands for rest, immobilize, cold, and elevate. rest just means stay in the position that we found it. if it's at an awkward angle, i want to leave it that way, could cause the injury to be worse. immobilize really only comes into play if i need to move cammie somewhere else, like if it's unsafe where i am. i want to make sure that her injury isn't gonna move from its position while we are moving, so i might have to do something to keep it in place. cold is really one of the most important things, and that's exactly what it sounds like. take s