Does Drinking Standing vs Sitting Affect Water Speed and Power in the Stomach?

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SUMMARY

The discussion confirms that drinking water while standing or sitting does not affect the speed or power of water movement into the stomach. The gravitational constant on Earth, approximately 9.8 m/s², remains unchanged regardless of body position, and the kinetic energy of the water is determined solely by its mass, gravity, and the fixed distance from the pharynx to the stomach. The process of peristalsis, which moves food and liquid through the digestive system, operates independently of gravity, further supporting the conclusion that body position has no significant impact on water intake dynamics.

PREREQUISITES
  • Basic understanding of physics principles, particularly gravity and energy equations.
  • Familiarity with human anatomy, specifically the pharynx and stomach.
  • Knowledge of the digestive process, including peristalsis.
  • Awareness of the effects of body position on physiological processes.
NEXT STEPS
  • Research the physics of fluid dynamics in the human body.
  • Explore the role of peristalsis in digestion and its mechanisms.
  • Investigate how body position affects other physiological processes.
  • Learn about the effects of gravity on fluid movement in various contexts.
USEFUL FOR

This discussion is beneficial for students of physics, healthcare professionals, and anyone interested in understanding the mechanics of human digestion and the effects of body position on physiological functions.

the_wild
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Dear I am not very familiar with the knowledge of physics, so I can not find who is the best of you to answer my questionThe question is if a person drinks, standing Will vary the speed and the power of falling water in the stomach or will be the same speed and power in the event of drink sitting Do they differ gravity of water in both cases with the distance between the pharynx and the stomach is fixed in both casesHelp me to answer and thank you
 
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Really odd question.

The answer for all forseeable reasonable cases: there is no difference.

On Earth, gravity can be said to be a constant g=9.8 m/s^2, and the distance between the mouth (pharynx?) and the stomach is constant, whether sitting, or standing. The amount of kinetic energy acuired by the water as it falls from the mouth to the stomach is equal to

Energy = (mass of the water)*(gravity constant)*(distance from mouth to stomach).

Notice that standing/sitting doesn't influence the equation at all.
 
Pharynx is the neck region




You have the same position of your upper body, no matter you are standing or sitting.

It might just matter if you are lying on bed and drinking.


So, I don't think that there is any difference or any impact being made by changing the position from standing to sitting when drinking water !

CHEERS !

:cool:
 
Movement of food and liquid within the body does not depend on gravity, which is how circus performers can drink a glass of water, whilst standing on their heads.

The process is called peristalsis.

http://www.pennmedicine.org/encyclopedia/em_DisplayAnimation.aspx?gcid=000097&ptid=17
 
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thanks:smile:
 

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