A square of vinyl siding is equal to 100 square feet. 10 foot by 10 foot = 100 square feet (10' x 10' = 100 sq ft).
For acute injuries, you may have to stay off your feet as much as possible or even use crutches for a short time. Ice. Put ice on your knee for 15 to 20 minutes a few times each day. Use ice cubes or a bag of frozen vegetables wrapped in a towel. Compression. Wrap an elastic bandage around your knee to help control swelling. Make the bandage fit snugly around your knee, but not tight enough to cause pain or leg swelling.
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.