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Postural orthostatic tachycardia syndrome (POTS) is a condition characterized by an abnormally large increase in heart rate upon sitting up or standing. [1] POTS is a disorder of the autonomic nervous system that can lead to a variety of symptoms, [10] including lightheadedness, brain fog, blurred vision, weakness, fatigue, headaches, heart palpitations, exercise intolerance, nausea ...
Gravity will pull the blood back into an individual's legs, ankles and feet. This forces the veins to expand or "balloon" to accommodate this extra blood. The valves of the veins work best in concert with accompanying muscle contractions that force the blood to continue moving up the leg. Standing with some muscles constantly strained weakens ...
As a result, blood pools in the blood vessels of the legs for a longer period, and less is returned to the heart, thereby leading to a reduced cardiac output and inadequate blood flow to the brain. Very mild occasional orthostatic hypotension is common and can occur briefly in anyone, although it is prevalent in particular among the elderly and ...
For those who sit more than eight hours a day, there can be negative repercussions for everything from the head to the heart to the colon. The serious and surprising dangers of 'W' sitting Skip to ...
A man sitting on the ground, on a road in Nepal. The most common ways of sitting on the floor involve bending the knees. One can also sit with the legs unbent, using something solid as support for the back or leaning on one's arms. Sitting with bent legs can be done with the legs mostly parallel or by crossing them over each other.
A sitting disability is a condition in which a person has difficulties sitting or is unable to do so at all; usually due to pain. This can affect people who face little or no chronic problems with standing, as well as those who do, such as mobility aid users. It is also known as reduced ability to sit, sitting problems or inability to sit.
“When you add a high velocity to something, any quick separation of your legs and hitting an object or even water can cause an extension” — or tear — “to the orifice of the vaginal area.”
Falls in older adults are a significant cause of morbidity and mortality and are a major class of preventable injuries.Falling is one of the most common accidents that cause a loss in the quality of life for older adults, and is usually precipitated by a loss of balance and weakness in the legs.