The heat required to convert water at. boiling point to steam at the same. temperature is called âlatent heat.â The. unit of heat in common use is the Btu. which is the amount of heat required to. raise the temperature of one pound of. water 1Â°F at atmospheric pressure.
An overuse injury can occur when you take on too much physical activity too quickly.
Acute or overuse knee injuries may result in water on the knee. Swelling occurs as a result of leakage of fluid from damaged tissue. Bleeding may also occur from ruptured capillaries, resulting in swelling and discoloration (bruising). Damaged tissue releases chemicals that initiate inflammation.