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 Knee Injuries. An acute knee injury usually occurs suddenly through either trauma or a twisting action. Pain in the knee can vary in severity from very mild to very severe and this depends on the injury mechanism (how the injury occurred) and the forces involved during the impact. It is strongly advised not to carry on playing if you have acute knee pain as this can easily progress to a chronic pain or to more complex knee injuries. ACL Sprain Anterior Cruciate Ligament injury or 'ACL injuries' are common in contact sports and especially those that are combined with sudden change of direction such as soccer or football.