A study carried out by researchers from Loughborough University in 2011 compared the shortest time spent sedentary with the longest time spent sedentary. For the longest time, there was:
INCREASE in CARDIOVASCUALR events
INCREASE in the risk of DIABETES
INCREASE in DEATH due to any cause
Sitting constitutes physical inactivity and sitting for too long each day or on most days implies having a sedentary lifestyle, whether or not one exercise. This has adverse effects on breathing, blood circulation, and posture, increasing the risk of several diseases.
Chronic Joint Pains
The muscles of the legs and hips, particularly the glutes, hamstrings, and quadriceps, are the major muscles you make use of when you sit.
However, when you sit for too long, you overstretch and strain these muscles and this may cause them to become tight and short.
Deep Vein Thrombosis
A deep vein thrombosis (DVT) is a serious health problem because the clot could break off and obstruct blood flow in other blood vessels it may settle in.
Sitting for too long is one of the main risk factors for DVT because it causes stasis or pooling of blood in the legs.
GET ON YOUR FEET
According to the New York Times, " One study presented at the 2015 annual meeting of the American College of Sports Medicine in San Diego Found found that previously sedentary office workers who walked slowly at a treadmill desk for two hours each workday for two months significantly improved their blood pressure and slept better at night."