Muscle contractions (concentric, eccentric and isometric) 

Hi RU-vidrs!
This video contains information about muscle contraction. Concentric, eccentric and isometric included, as the title of this video already told you.
Enjoy, learn, and if you have some questions or ideas for new content, let me know!
📚Schoenfeld, B. J., Ogborn, D. I., Vigotsky, A. D., Franchi, M. V., & Krieger, J. W. (2017). Hypertrophic Effects of Concentric vs. Eccentric Muscle Actions: A Systematic Review and Meta-analysis.