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Veins in the brain do not contain one-way valves and the blood is pulled down by the force of gravity. Lack of blood to the brain will result in fainting. To combat this, be sure to contract your calf muscles to pump blood back up into the abdominal cavity and contract your neck muscles regularly to encourage blood to flow upwards.

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Q: Why would you faint from standing at attention for a long time?
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Why do soldiers faint after standing at attention for a long time?

Because standing still for so long cramps up all your muscles and blood does not flow properly and this starves your brain of much needed oxygen so as a defence it shuts down to protect it from damage. It can also be because you are dehydrated or more commonly among soldiers, hungover.


Why you would faint if you were to stand still for a long period of time?

It has nothin to do with standing still... it has everything to do with standing still with your knees locked. That causes over time a reduction in blood pressure leading up a faint. [improvement] The low blood pressure causes the human body to gain the sensation of weakness, causing you to lose consciousness.


Why do teenage girls faint during rock shows?

Teenage girls faint during rock shows for many reasons. One such reason is because of cerebral vasoconstriction which is caused by standing for a long period of time.


Why do you collapse after standing for long periods?

When you stand for a long time, it may cause your knees to buckle resulting in a vaso-vagal reaction. When this happens, there is a decrease in blood pressure which can make a person collapse or faint.


Can you sue your doctor if they make you faint?

I would think not, but if they made you faint by drugs or some other useless thing, I guess so. If they made you faint by pushing on a certain area, pulling out a long needle, etc., don't even think about it.


Are Operators really standing when it is said that operators are standing by?

In some cases the operators may very well be standing in a literal sense.In most cases the operators are seated in a call center waiting for your call and the calls of others like you.Generally "standing by" means accessible and available, handy and awaiting.The phrase "standing by" implies that you will suffer no delay and be readily able to contact the operator.Personally I would prefer that the operator be seated during the waiting period prior to my call and during my call. Seating the operator would ensure that they are not unduly fatigued as a result of standing for long periods of time and more able to concentrate on the specifics of my call. The result of seating the operator would be less attention devoted to the operator's sore feet and more attention to my wants and needs.


What would happen to a plant if it would not receive even a faint of sunlight for a long duration?

The plants will die because the plants need a sunlight to grow...


If you hold your breath for a long time will you faint?

yes depending on how long


Why caught mridu's attention at the door?

Mridu noticed the sound of footsteps approaching the door, followed by a soft knock. Intrigued, she opened the door to find her long lost friend standing there, creating a moment of surprise and joy that caught her attention.


How were the rough riders significant?

They had long slongs so when a girl from the other side saw them they would instantly faint when the saw the rough riders package


Would a long standing high school reunion committee need 501c3 status if we want to give back to the school and community?

"Long-standing" or not, if they collect and disseminate money they have to be in compliance with all tax laws.


What rhymes with paint that has the long a sound?

Faint, Ain't, saint, complaint,