A: There are dramatic differences between the way chimpanzees live in the wild and the way chimpanzees are forced to live in laboratories. In the wild, chimpanzees live in very diverse social groups and may travel several miles in one day.
Ergonomics for Prolonged Sitting. Sitting for prolonged periods of time can be a major cause of back pain, cause increased stress of the back, neck, arms and legs and can add a tremendous amount of pressure to the back muscles and spinal discs. Additionally, sitting in a slouched position can overstretch the spinal ligaments and strain the spinal discs.
More Causes of Sciatica and Sciatica-Type Symptoms. In addition to the most common causes, a number of other conditions can cause sciatica, including: Pregnancy. The changes the body goes through during pregnancy, including weight gain, a shift of one's center of gravity, and hormonal changes, can cause sciatica during pregnancy. Scar tissue. If scar tissueâalso called epidural fibrosisâcompresses to a lumbar nerve root, it can cause sciatica. Muscle strain.