How to know when firefighters hit the wall

By Bruce Evans At some point the words lactic acid or acidosis has been put forth in a firefighter class on cardiac arrest, fitness or maybe in a heat cramps lecture. You hear lactic acid and lactate used interchangeably by fire and EMS educators or those talking about acidosis as a reference to muscle breakdown. The truth is that there is a difference between lactate and lactic acid. Your body produces …
Source: ems1.com