Scientists have put forward new arguments about why and how much sitting life increases the risk of many serious illnesses. No day-to-day exercises can help you if you spend a lot of time in a chair.
A long time has believed that excessive sitting was only harmful to the spine, but new scientific knowledge confirms that it is devastating to the whole organism.
Several studies have indicated the existence of a relationship between long-term sitting and the risk of serious illness, and even premature death in one-third of people who, according to statistics, spend more than 10 hours a day at the desk.
Everyday sitting at work causes a number of diseases, the most dangerous of which are diabetes and cardiovascular problems, according to scientists at the University of Leicester, based on analyzes involving 800,000 people. According to Dr. Ema Vilmot, no day-to-day exercises can help you if you spend eight hours a day in a chair. Those who are sitting a lot have a twice as high risk of having diabetes, heart and kidney disease.
– If you sit for four hours in a chair five days a week, and your spine is not moving, your knees and hips are bent, your body becomes stiff. Muscles are weak and the body starts to get sick – says Tim Alaris, osteopath, and physiotherapist from Great Britain.

– After four hours of sitting, the body begins to send signals that it’s bad – says Elin Eklbom-Bak from the Swedish School of Sport and Medical Sciences.

Even for those who practice sitting is bad. The first thing they are suffering from is the back: because of poor body-holding, there are severe pains in the shoulders, neck, and back. Due to limited movement, most large muscle groups go through long phases of the immune system, and muscles become weak and cramps occur.


Walking and running stimulates the work of the hips and makes the bones harder and thicker. Scientists have proven that a lack of activity contributes to the rapid development of osteoporosis.
The result of the sitting lifestyle is the accumulation of pounds. Scientific research has shown that the lack of physical activity reduces the production of enzymes that fight fat accumulation in the body and up to as much as 50 percent. Excessive sitting slows down the metabolism and causes changes in body functions, which leads to weight gain.

Sitting increases blood cholesterol levels: after a few hours good (healthy) cholesterol drops by 20 percent and enzymatic activity by 90 percent.
A recent study in Canada has shown that there is a strong link between multiple seizures and the incidence of cardiovascular diseases, which sometimes have a fatal outcome.

People who spend more than 11 hours in front of computers and TVs, increase the risk of heart attack by 67 percent, and each hour spent in a sitting position increases the chances of developing heart disease.

For people who exercise on a daily basis, but still have a lot of sitting, it’s better to practice splitting into several parts during the day. The current lifestyle increases the likelihood of diabetes by as much as seven percent. Slowing body functions lead to an increase in blood sugar levels because the body does not need energy, so the sugar remains in the blood. In a study published in the British Journal, it is said that after four hours of sitting, the body begins to break down the production of lipase, an enzyme that absorbs fat.

It is advised that employees always stand by talking on the phone and stretching a little leg, even at the office.


Heart problems

Muscles burn less fat and blood flows slower through the body during sitting, allowing fatty acids to easily break the heart arteries. Seating for a long time is associated with an increase in blood pressure and elevated cholesterol, and those who are sitting have a double chance of suffering from cardiovascular disease.
Excessive pancreatic work

The pancreas produces insulin, a hormone that sends glucose to the cells to generate energy. But cells in idle muscles do not receive ready-made insulin, so the pancreas makes more and more of it, which leads to diabetes and other illnesses.

Colon cancer

Studies have found a connection between long sitting and colon cancer, breast cancer and endometrial cancer. The causes are not clear enough, but according to one theory surplus insulin accelerates the growth of carcinogens. On the other hand, regular exercise and sufficient movement free natural antioxidants that kill the bad cells, the potential causes of cancer.


Soft ribbons

When you move, stand or sit properly, your stomach muscles keep your body upright. But when you sit in a chair, they become useless. Poor back and abdominal muscles allow the spine to blame to the condition called lordosis.

Relaxed gluteus

During sitting, the gluteus muscles do not do anything, so they are easily used to this condition. When these muscles are soft, weak and inhibit normal walking and step.


Poor circulation: Long sitting slows circulation, so blood is kept in the legs. Problems that can occur include swollen joints, enlarged veins, and thrombosis.


Unhealthy spine:

A disc becomes unimpressive and susceptible to injury in everyday activities. When we move, the soft discs between the vertebrae are expired and collect, bringing fresh blood and nutrients into the body. When we sit for a long time the discs lose elasticity.

Damage to the disk:

People who spend too much time in a sitting position suffer from discus herniation. Side-arterial muscle (lat. Iliopsoas) extending from the spine of the spinal column to the femur through the joint of the hip, when it is tightened, pushes the lumbar part of the back towards the front.

A recent study found that those who spent more than seven hours a day sitting in a sitting room watching TVs had a 61 percent higher risk of death than those who were just one hour a day ahead of the TV screen.

(Time spent watching TV)
1-2 hours 4 percent

3-4 hours 14 percent

5-6 hours 31 percent

more than 7 hours 61 percent


– Do not tilt the head forward

– The shoulders should be relaxed

– Elbows at an angle of 90 degrees

– Hands close to the body

– The bottom of the back should have support

– Feet to stand straight on the surface

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