--- title: "Meaning & Key Takeaway of: There are many occasions when the muscles…" description: "\"There are many occasions when the muscles that form the lips of the mouth move the lateral muscles that are joined to them, and there are an equal numb..." image: "https://sms4smile.com/quotes/i/824/leonardo-da-vinci-330_cases_there-are-many-occasions-when-the-muscle_2160918.jpg" --- # There are many occasions when the muscles that form the… ![“There are many occasions when the muscles that form the lips of the mouth move the lateral muscles that are joined to them, and there are an equal number of occasions when these lateral muscles move the lips of this mouth, replacing it where it cannot return of itself, because the function of…” quote by Leonardo da Vinci](https://sms4smile.com/quotes/i/824/leonardo-da-vinci-330_cases_there-are-many-occasions-when-the-muscle_2160918.jpg) [Download](https://sms4smile.com/quotes/i/824/leonardo-da-vinci-330_cases_there-are-many-occasions-when-the-muscle_2160918.jpg) [Open image](https://sms4smile.com/quotes/i/824/leonardo-da-vinci-330_cases_there-are-many-occasions-when-the-muscle_2160918.jpg) > “There are many occasions when the muscles that form the lips of the mouth move the lateral muscles that are joined to them, and there are an equal number of occasions when these lateral muscles move the lips of this mouth, replacing it where it cannot return of itself, because the function of muscle is to pull and not to push except in the case of the genitals and the tongue.” [Leonardo da Vinci](https://sms4smile.com/quotes/author/leonardo-da-vinci/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Muscle function is primarily pulling; exceptions exist in specific anatomy. **In simple terms:** Muscles mainly pull, not push. Key Takeaway Consider anatomy in movement design. Themes anatomy physiology design Mood analytical curious Type scientific philosophical When to use this quote - exercise - rehabilitation - robotics Key Concepts biomechanics engineering Questions to Reflect On - How does this affect prosthetic design? - What muscles defy this rule? A Different Perspective Push actions are rare in biology. ★ ★ ★ ★ ★ No ratings yet [Cases](https://sms4smile.com/quotes/about/cases/) [Equal](https://sms4smile.com/quotes/about/equal/) [Form](https://sms4smile.com/quotes/about/form/) [Function](https://sms4smile.com/quotes/about/function/) [Lateral Muscles](https://sms4smile.com/quotes/about/lateral-muscles-4584650/) [Lips](https://sms4smile.com/quotes/about/lips/) [Lips Mouth](https://sms4smile.com/quotes/about/lips-mouth-1289223/) [Mouth Lateral](https://sms4smile.com/quotes/about/mouth-lateral-4584648/) [Mouths](https://sms4smile.com/quotes/about/mouths/) [Moving](https://sms4smile.com/quotes/about/moving/) [Muscles](https://sms4smile.com/quotes/about/muscles/) [Muscles Form](https://sms4smile.com/quotes/about/muscles-form-4584649/) [Muscles Lips](https://sms4smile.com/quotes/about/muscles-lips-4584647/) [Numbers](https://sms4smile.com/quotes/about/numbers/) [Occasions](https://sms4smile.com/quotes/about/occasions/) [Return](https://sms4smile.com/quotes/about/return/) [Tongue](https://sms4smile.com/quotes/about/tongue/) ## Related quotes > [Lampard's not the first player to run to the crowd with lips over his mouth.](https://sms4smile.com/quotes/adrian-chiles/lampard-s-not-the-first-player-to-run-to-the-crowd-with-lips-over-his/) [Adrian Chiles](https://sms4smile.com/quotes/author/adrian-chiles/) > [“I can recognize any one by the teeth, with whom I have talked. 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