what is the purpose of arm sleeves in basketball
Basketball sleeve Allen Iverson began using a basketball sleeve during the 2000-01 season due to bursitis in his right elbow.[3] Afterward, fans wore the sleeve as a fashion statement,[4] and by 2008, the sleeves were the most popular non-apparel items sold by the league, according to an NBA Store spokesperson.[5] Other players, including Ray Allen, Vince Carter, Russell Westbrook, Chris Paul, Carmelo Anthony, Dwight Howard, Paul Pierce, John Wall, Kyrie Irving, Dwyane Wade, Paul George, Kobe Bryant,[6] and LeBron James[2] have worn the sleeves as well.
Official (basketball) In higher levels of college and professional basketball, officials wear a timing device on the belt-line called PTS (Precision Timing System). The device is used by on court officials to start and stop the game clock in a timely manner, rather than waiting for the scoreboard operator (timekeeper) to do so.