This video primarily focuses on flexors and extensors but also mentions muscles located on the neck, including some of the infrahyoids and levator scapulae.

My full video on the supra and infrahyoids can be found here:    • Hyoid muscles  

Muscles of facial expression is here:    • Muscles of the Face  

If you wish to see all of my muscle videos, check out my playlist:    • Muscular system