ANATOMY: Facial Muscles. Tension first builds on the face, learn to loosen up! The muscles of the face are unique among groups of muscles in the body. While most muscles connect to and move only bones, facial muscles mostly connect bones to skin.
Scans that prove Leonardo da Vinci was right all along: New show reveals 'startling accuracy' of anatomical sketches which lay undiscovered for hundreds of years
Leonardo da Vinci's depiction of the bones, muscles and tendons of the hand, c.1510-11 http://www.dailymail.co.uk/sciencetech/article-2292206/The-startling-accuracy-Leonardo-da-Vincis-anatomical-sketches-revealed-comparison-modern-medical-scans.html