Sitting at a desk, with hunched shoulders and a rounded spine, leads to a substantial reduction in lung capacity, which is further exacerbated by a lack of diaphragmatic movement due to abdominal compression between the upper body and the flexed hip.
Over time, breathing becomes chronically impaired, leading to decreased energy and negative effects on the brain, including impaired focus and reduced memory and surprisingly an increased risk for stroke.
Sitting causes food to compress in the intestines, whichimpairs digestionand can lead to long-term low levelinflammationin and around the intestine withnegative effectson the healthy gut flora (microbiome).
This has been associated with diseases affecting the bowels, and can also contribute toallergies, asthma, metabolic syndrome, heart disease and cancer.
Exercise time and sedentary time are two entirely different entities.They are not as interconnected as we used to believe.
Contrary to the common opinion that too much sitting can be compensated by a plus of training, this is not possible.Sitting damages the body regardless of athletic activityand physical activity cannot correct for sitting time.
Sitting too long influences thedopamineandleptin hormones, which play an important role in the regulation of hungerand satiety. Weight gain as a result of inactivity can start a vicious cycle, in which it becomes harder and harder for people to lose weight.
Being overweight increases the risk of a number of serious conditions, includingdiabetes,hypertension, heart disease and heart attack, stroke, cancer, kidney diseaseandliver disease;it can also result in sleep disturbances and cause a range of musculoskeletal problems.