Pain behind the Knees â Causes, Risk Factors and Treatment. An injury or blow to the back of the leg due to a fall or some other accident may lead to considerable pain in the posterior knee region. A sprain may lead to considerable pain, that may be accompanied by redness and swelling.
Ontario is a Province in Canada. There are no US states by that name. There is Ontario California stateside. Valerie Lee.
California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Ontario is located within Ontario CCD of San Bernardino County. Beneath the boundary map are tables with Ontario population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.