This past Saturday, I worked a shift at my second job. I used to be a personal trainer and still occasionally help out on the weekends at the gym I used to work at.

Usually, I really enjoy doing this. I get to catch up with old clients, and help people who genuinely care about their health.

But, this time of year, the gym is packed with hoards of well-meaning people who have made it their New Year's Resolution to be healthier and to get in shape.

That's all well and good, until you consider the fact that most of these people have no idea what they are doing, and usually think they can hop on a treadmill and sprint 5 miles, even if they're never walked further than 20 feet in their life.

So, obviously, this got me thinking about the importance of knowing first aid and CPR.

I'll admit, I got a little nervous watching a few people huff and puff their way through their workout. There were a few times I thought I'd either be putting the AED to work, or that I'd at least be tending to a few cuts and bruises that occurred from someone flying off the end of a treadmill.

Thankfully, neither of these happened. But I still urge you all, if you aren't already, to become certified in Adult and Infant CPR and First Aid. The American Red Cross offers certification programs that can be done at night, on the weekends...whatever works for your schedule.

Being certified is a simple, and responsible, way to know you are prepared in the case something unimaginable happens.

Are you certified in CPR? And if so, how comfortable do you think you'd be if you were in a situation that warranted it?