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.
Symptoms of sciatica may include pain, weakness, numbness or tingling in the low back, buttocks, posterior thighs, legs and feet. Symptoms often occur only on one side of the body. Symptoms may develop gradually, with a mild, general discomfort that may be felt when walking or when standing up from a seated or laying position.