There is a normal lordosis in the upper (cervical) spine and the lower (lumbar) spine. People with scoliosis develop additional curves to either side of the body, and the bones of the spine twist on each other, forming a C or an S shape in the spine. Scoliosis is about two times more common in girls than boys. It can be seen at any age, but it is most common in those over about 10 years of age. Scoliosis is hereditary in that people with scoliosis are more likely to have children with scoliosis; however, there is no correlation between the severity of the curves from one generation to the next.
The final rule requires that employers inspect walking-working surfaces regularly and as needed and correct, repair, or guard against hazardous conditions; and Training (Â§1910.30).
Since then, the suggestion has been studied and found to have significant health benefits, especially for people who live a more sedentary life. Walking 10,000 steps equates to about five miles a day, which is quite an increase for those who sit at a desk all day. It comes out to about 90 active minutes a day, which is three times the amount recommended by the U.S. Centers for Disease Control and Prevention. Instead, it recommends adults engage in 150 minutes of moderate activity a week, such as brisk walking.