Be sure to visit the guide for more context and information about intercalated discs in cardiac muscle, or read some of our other Health & Anatomy posts!
There are roughly 650 muscles in the human body, depending on whom you ask, and some of those are important muscles you should exercise frequently. Obviously, it would be impossible to focus on all of them, but for exercise there are a few key muscles that are worth zeroing in on for health and overall general fitness. This is not... Read full guide »