Today, we live in a world where modern machines do much of our work for us. That technology greatly eliminates the need for manual labor. Not to mention, over 34 million Americans have office or sales jobs. That forces them to remain sedentary for eight or more hours a day.

According to a report published in Annals of Internal Medicine, the average person spends more than half of his or her waking hours in an inactive state (sitting at a computer, watching TV, commuting to and from work, etc).

While technology brings apparent benefits, such as getting more done in less time, consolidating our efforts, and connecting us to others at lightning speeds, it also has many drawbacks.

Sitting down for prolonged periods can cause problems such as chronic back pain, poor posture, and even potentially deadly diseases such as diabetes, heart disease, and obesity.

If you spend a lot of time sitting down for your job, take a look at the specifics of how this can negatively impact your health, according to four experts in the industry:

Sitting Contributes to Brain, Neck, And Shoulder Issues

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Moving our bodies means more blood and oxygen flowing throughout the brain. Consequently, it helps us maintain clarity and keeps our minds sharp. However, sitting for long periods of time slows the flow of oxygen and blood to our brains, inhibiting our ability to think clearly.

Also, slumping forward at work to stare at a computer screen puts tremendous strain on the neck. That’s particularly the cervical vertebrae, which connects the spine to your head. Poor posture also damages the back and shoulder muscles, as they become overextended due to leaning over a keyboard for long periods.

Back Problems May Come From Sitting Too Long

One of the most apparent problems occurs for most people in their backs, as bad posture contributes greatly to back pain, inflexible spines, and disk damage. Moving around causes soft disks between vertebrae in the spine to expand and contract, allowing blood and nutrients in. Sitting too long makes the disks uneven and compact, even causing collagen to build up around tendons and ligaments.

Also, herniated lumbar disks occur more frequently in people who spend prolonged periods in front of a computer.

Muscle Degeneration Due to Sitting Too Long

Sitting doesn’t require using your ab muscles, and if they go unused for too long, this can cause you to develop what’s called swayback, or the unnatural overextension of the spine’s natural arch. Plus, sitting too long decreases overall flexibility, particularly in the hips and back. Flexible hips aid in balancing the body, but sitting too long makes the hip flexor muscles become short and tense.

The glute muscles also become soft after prolonged periods of disuse, hindering your ability to take long strides and keep the body stable.

Sitting Too Long and the Deterioration of Organs

Sitting for long periods can cause heart disease, cardiovascular disease, and colon cancer. In short, these problems are caused by the overproduction of insulin due to inactivity and sluggish blood flow to the organs. Regular movement helps kill cancer-causing cells, boosting antioxidants that eliminate these free radicals from taking over the body.

Overproduction of insulin also causes weight gain, contributing to diabetes and obesity.

Sitting Too Long Can Cause Leg Disorders

Sitting too long will hinder circulation in the legs. This causes blood to pool around the ankles, resulting in swollen ankles, varicose veins, and even harmful blood clots. Another more subtle issue caused by prolonged sitting is that bones become weaker and less dense. Regular activity, such as running or walking, helps keep bones strong and thick. This might explain why many elderly people today have osteoporosis as society becomes increasingly sedentary.

According to the study, people who watched the most TV over the span of 8.5 years had a 61% greater risk of dying prematurely than those who watched less than one hour per day.

So, how can we combat this growing epidemic of inactivity?

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First of all, if you have to sit for long periods for work or other purposes, sit up straight and avoid slouching or leaning over your keyboard. If you have to, buy an exercise ball. This device forces your ab muscles to work and naturally keeps your body straight. You can also use a backless stool if you want something a little more stable than an exercise ball.

Secondly, make sure to get up regularly to stretch. How often should you do this? At least once every thirty minutes, according to experts. Get up and walk around your office for a few minutes as well. That movement will keep the blood flowing and allow your brain and muscles to function optimally.

Thirdly, yoga can help immensely keep the muscles flexible and allow the mind to relax and decompress from the workday. You can also buy a standing work desk, forcing you to do your work upright. This helps blood and oxygen flow more freely through the body, reducing the risk of blood clots and other dangerous health problems.