1 There are now over 20,000 MW of cumulative solar electric capacity operating in the U.S., enough to power more than 4 million average American homes. 2  In 2014, with over 195,000 installations in 2014, nearly 645,000 U.S. homes and businesses have now gone solar and a new solar project was installed every 2.5 minutes.
Signs and Symptoms With a UCL injury, you may experience: Pain when using your arm in an overhead position (eg, pitching, throwing) Soreness in the inside edge of your elbow; Minor swelling along the inside of your arm; Possible numbness and tingling in your arm
Ulnar collateral ligament (UCL) injury refers to a sprain, partial tear or complete tear of the ligament that traverses the inside (or medial side) of the elbow.The UCL is the primary stabilizer of the elbow and plays an important role in throwing and hitting sports, such as baseball, football and tennis.An injury to the UCL has two main causes. First, repetitive stress, as seen in an overhand pitcher, can cause micro-tears in the ligament that, over time, weaken the ligament.This may be due to poor throwing mechanics, fatigue or lack of conditioning.n injury to the UCL has two main causes. First, repetitive stress, as seen in an overhand pitcher, can cause micro-tears in the ligament that, over time, weaken the ligament. This may be due to poor throwing mechanics, fatigue or lack of conditioning.