![What makes muscles grow? - Jeffrey Siegel](https://goldcardfitness.com/wp-content/uploads/2019/12/what-makes-muscles-grow-jeffrey-siegel.jpg)
View full lesson: We have over 600 muscles in our bodies that help bind us together, hold us …
source Muscle Building Basics
View full lesson: We have over 600 muscles in our bodies that help bind us together, hold us …
source Muscle Building Basics