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.
Ontario, second largest province of Canada in area, after Quebec. It occupies the strip of the Canadian mainland lying between Hudson and James bays to the north and the St. Lawrence RiverâGreat Lakes chain to the south. It is bordered to the east by the province of Quebec, to the south by the United States, and to the west by the province of Manitoba. The most populous Canadian province, Ontario is home to more than one-third of Canadaâs total population. Ontario is also the nationâs wealthiest province, having a substantial share of the countryâs natural resources and its most mature and diversified industrial economy. It is at once Canadaâs economic pacemaker and a major force in national politics.