You can never know enough anatomy.
If you know your anatomy, you can apply it in unlimited different ways.
The problem is that schools don’t always go very in depth into anatomy. Trust me, I’ve been there (for nine years). My desire to change this was why I taught anatomy to exercise science students for two years.
One of the most neglected muscles in school anatomy curricula these days is the serratus anterior. I want to take you through the basic attachment sites, a few reasons why you should care, and then I’ll leave you a few ways you can train this muscle.