This slide is about the word "Smile", it includes the anatomy and physiology of smile

1. I am a five letter beautiful
Word!!!
Vinoth S
AP/BME
MCE

2. Leonardo da Vinci’s famous
portrait of
Lisa Gherardini,
titled ”Mona Lisa”

4. Monalisa Emotion survey
Smiling 59
Crying 11
Fear 7
Nothing 29
Anger 4
Smiling
Crying
Fear
Nothing
Anger

7. Why Smile?
• It is an Illusion Happening in our brain
• We like people Smiling
• We are happy to see people smiling
• We notice the smile as a Welcome gesture

12. Anatomy of Smile

13. Orbicularis Oris Muscle
 Responsible for closing your mouth
or Pouting
It has an origin points at the maxilla
and the mandible the lips and the
buccinator muscles and
it’s insertion points encircle the
mouth.

14. Pouting

15. Buccinator Muscle
The muscle of the cheek and assists in
chewing motion by holding the cheek
close to the teeth.
It is also the muscle used for blowing
such as playing a trumpet.
It has origin points at the maxilla,
the mandible, and
the superior constrictor pharyngis
muscle.

16. Playing Trumpet

17. • The deppressor labii inferioris
muscle is primarily responsible for
depressing or drawing down muscle
of the lower lip.
 The depressor anguli oris muscle is
located on the lower lip and aids in
drawing the lower lip downward.
Depressor Anguli & Labii

18. Platysma Tone Exercise

19. Levator Labii & anguli muscles
• Levator Labii Superior
Muscles responsible for lifting the
upper lip.
 Levator Anguli Muscle
Muscle lifts the mouth at corners.

20. Sneer

21. Levator Anguli Oris Muscle
The Levator Anguli muscle assist
the naso-labial fold in the cheek.
It lifts the upper lip to expose the
teeth when smiling.
The origin point is on the maxilla
just below the infraorbital foramrn.

22. Zygomaticus Major & Minor
Muscles
Minor:
It works with the
risorius muscle lifting
the lip to assist laughing
and smiling.
Major:
It works with the
risorious muscle to
assist laughing and
smiling by lifting the
corners of the mouth.

23. Risorious Muscle
• The risorious muscle is primarily
responsible for the facial expressions
of laughing and smiling.
• It’s origin point is in the fascia of the
cheek and has insertion points into
the orbicular oris.

25. Your Brain When you smile
A smile begins in our sensory corridors.
The ear collects a whispered word.
The eyes spot an old friend on the station
platform.
The hand feels the pressure of another
hand.

26. Your Brain When you smile
This emotional data funnels to the brain
Then smolders to the surface of the face,
where two muscles, standing at attention,
are roused into action:
i.The zygomatic major, which resides in
the cheek, tugs the lips upward
ii. The orbicularis oculi, which encircles
the eye socket

27. Your Brain When you smile
• The entire event is short — typically lasting
from two-thirds of a second.

28. Smile Vs Laugh
Smile Laugh
Positive Experience Unexpected &
unnecessarily positive
Result of Emotion Result of Humor
You Smile when your
alone
You don’t laugh when
your alone

29. A research published in the
International Journal of Obesity
found just 15 minutes of laughter a
day will burn 10-40 calories,
depending on a person's weight and
the intensity of the laughter. That is
enough to lose between 1–8 kg a
year.

30. Types of smile
• Duchenne Smile
• Fake Smile
• Uncomfortable Smile
• Seductive Smile
• Sarcastic Smile

31. Duchenne Smile

32. Fake Smile

33. Uncomfortable Smile

34. Seductive smile

35. Sarcastic smile

40. Fake or Real?

41. Fake or Real?

42. Fake or Real?

43. Fake or Real?

44. Health Benefits of Smile
“One of the easiest and cheapest ways to
boost your health, your mood, your
longevity, and even your success is to
smile.”

45. Lower Heart Rate
• Smiling slows the heart and relaxes the
body. This lets the heart work without
overworking.
• People who smile and laugh often are less
likely to develop heart disease.
• Smiling also temporarily reduces blood
pressure.

46. Reduce Stress
• Stress is a common problem in the
modern world that causes a myriad of
health problems.
• Stress relief may be as simple as smiling a
little more throughout the day.
• Smiling releases endorphins that
counteract and diminish the stress
hormones.

47. Kill Pain
• Smiling and laughter both have been
shown to lessen pain.
• They release endorphins that lift our
moods, but many of these act as natural
painkillers too.

48. Look Younger
Smiles naturally lift the face and in studies
have shown to make people look younger,
around 3 years younger on average.

49. Longevity
• The effects of a good smile extend past just
the exterior good looks.
• People who smile more often live longer
too, around 7 years longer than most
according to one study.
• It releases stress, helps the heart, and
much more to keep you healthy longer.

50. Boost Immune System
• Smiles help the body relax and this lets the
immune system react more quickly and
effectively against invaders.

51. Contagious
• Around 50% of people smile back. This
spreads the health benefits throughout
those around you and it comes back to you
several times as well.

52. References
1.Ekman, P. (2007) Emotions revealed. New York: Holt.
2.Friedman, Howard S., & Riggio, Ronald E. (1999).
Individual differences in ability to encode complex
affects. Personality and Individual Differences, 27, 181-194.
3.Woodzicka, J.A. & LaFrance, M. (2005). Working on a
smile: Responding to sexual provocation in the workplace. In
R.E. Riggio & R.S. Feldman (Eds.), Applications of
Nonverbal Communication (pp. 139-155). Lawrence Erlbaum
Publishers.

53. Thank you!!!
Smile and spread
the smile thousand miles