Immediately After Sitting
Right after you sit down, the electrical activity in your muscles slows down and your calorie-burning rate drops to one calorie per minute. This is about a third of what it does if you’re walking. If you sit for a full 24-hour period, you experience a 40 per cent reduction in glucose uptake in insulin, which can eventually cause type 2 diabetes.
After Two Weeks of Sitting for More Than Six Hours a Day
Within five days of changing to a sedentary lifestyle, your body increases plasma triglycerides (fatty molecules), LDL cholesterol (aka bad cholesterol) and insulin resistance. This means your muscles aren’t taking in fat and your blood sugar levels go up, putting you at risk for weight gain. After just two weeks your muscles start to atrophy and your maximum oxygen consumption drops. This makes stairs harder to climb and walks harder to take. Even if you were working out every day the deterioration starts the second you stop moving.
After One Year of Sitting More Than Six Hours a Day
After a year, the longer term effects of sitting can start to manifest subtly. According to this study by Nature, you might start to experience weight gain and high cholesterol. Studies in woman suggest you can lose up to 1 per cent of bone mass a year by sitting for over six hours a day.
After 10-20 Years of Sitting More Than Six Hours a Day
Sitting for over six hours a day for a decade or two can cut away about seven quality adjusted life years (the kind you want). It increases your risk of dying of heart disease by 64 per cent and your overall risk of prostate or breast cancer increases 30 per cent.
(Klosowski, 2012)
If this looks bad, don’t worry. We’re going to show you how to counteract the negative effects of sitting without extensively altering your lifestyle.
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