2010-Вер-09, Четвер

Рост (Height)
В течение дня рост человека меняется в среднем на 2 см. Наибольший рост будет сразу после сна. В течение дня (при преимущественно вертикальном положении туловища) межпозвоночные диски оседают, а за ночь они восстанавливают первоначальную высоту.
У космонавтов при долговременном пребывании в невесомости рост увеличивается на 5-8 сантиметров. Однако это довольно опасно, так как позвоночник теряет прочность. После возвращения на Землю рост постепенно возвращается к прежней величине.

Вес (Weight)
The main thing that is changing overnight is the amount of water in your system. It's amazing how much water weighs! A gallon of water weighs 8 pounds, and a pint of water (16 ounces) weighs 1 pound (in metric, 1 liter of water weighs 1 kilogram). This means that if you drink a 1-liter bottle of soda, you instantly gain 1 kilogram (2.2 pounds) from the water! That's a big weight change, and it can happen very quickly.

Overnight, there are two processes that cause you to lose water gradually. The first is respiration. Each time you exhale, you lose a little bit of water (exhale onto a cool piece of glass and you can see this moisture). The second is transpiration through the skin, also known as sweating. Over the course of a night, both of these processes eliminate quite a bit of water.

Then there is the tradition of using the restroom prior to the morning weigh-in. That process can eliminate up to 1 pound (0.5 kilograms) of water.

According to this water information page, the average person eliminates about 1.2 liters of water in urine each day, and also eliminates about 1 liter a day through perspiration and respiration. That's 2.2 kilograms (almost 5 pounds) of weight fluctuation happening throughout the day!


More complex ways in which the body can gain weight quickly is through consumption of high amounts of certain nutrients. Sodium is a classic for water and weight changes. Sodium is present in salt and because salt is present in 99% of processed foods we can easily consume too much sodium. The caustic effects of excess sodium need to be buffered so the body retains water to compensate for this. The result is we may gain up to an extra 5 pounds because of excess sodium. *

When additional protein is deposited inside muscle cells (as in muscle building) the cells absorb four times the amount of water to hold it. On eating lots of complex carbs the muscles store it as glycogen and this retains three times its weight in water. There are also a few supplements that can cause gains in water weight, the energy boosting Creatine is just one


Гликоген — полисахарид, образованный остатками глюкозы; основной запасной углевод человека и животных. Откладывается в виде гранул в цитоплазме во многих типах клеток (главным образом печени и мышц). При недостатке в организме глюкозы гликоген под воздействием ферментов расщепляется до глюкозы, которая поступает в кровь.


P.S. http://answers.google.com/answers/threadview/id/373851.html


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