If we use that logic, and I certainly do, than you have to apply it to EVRY part of the body! So, we use lumbar rotary mobility training (low load) to simply regain the lumbar rotation ROM we all had, when we were kids.
Providence has a city population of 179,154; it is also part of the Providence metropolitan area which extends into southern Massachusetts. The Providence metropolitan area has an estimated population of 1,604,291, which exceeds that of Rhode Island as a whole by about 60%.
The Census ACS 1-year survey reports that the median household income for the Providence-New Bedford-Fall River Rhode Island metro area was $55,055 in 2013, the latest figures available.