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.
The word was first applied in 1641 to the easternmost of the Great Lakes, and Old Ontario was used to refer to the southern portion of land nearest the lake and was applied to the whole province in 1867. MAIN MENU: PROVINCES and TERRITORIES: ONTARIO. Capital.