Question: Chu Mu-yen is an athlete playing a sport characterized by what ?
Context: Taekwondo ( , ; from Korean "taegwondo" ] ) is a Korean martial art, characterized by its emphasis on head-height kicks, jumping and spinning kicks, and fast kicking techniques. Regan Sander Wirahardja Oey (born in 1998 in Vancouver, British Columbia, Canada) is a Chinese-Indonesian Canadian film and television actor.  His parents are of Chinese-Indonesian descent.  He currently attends Vancouver College and is a two sport athlete playing Football and Basketball.  Regan is famous around school for coining the phrase "own up", meaning everyone should own up to their mistakes. A sports film is a film genre that uses sport as the theme of a film.  The sports film is a production in which a sport, sporting event, athlete (and their sport), or follower of sport (and the sport they follow) are prominently featured, and which depend on sport to a significant degree for their plot motivation or resolution.  Despite this, sport is ultimately rarely the central concern of such films and sport performs primarily an allegorical role.  Furthermore, sports fans are not necessarily the target demographic in such movies, but sports fans tend to have a large following or respect for such movies. Angus Morris "Monk" McDonald (February 21, 1901 – September 2, 1977) was an American college athlete, a head coach for the North Carolina Tar Heels men's basketball team (the White Phantoms until 1950), and a urologist.  He is best known for his time as a college athlete playing football, basketball, and baseball for the University of North Carolina at Chapel Hill, and is generally considered the best all-around college athlete to attend the University of North Carolina.  For his collegiate and coaching career, he was inducted in the North Carolina Sports Hall of Fame. Johnathan Loyd (born August 15, 1991) was a dual sport college athlete playing guard and wide receiver for the University of Oregon basketball and football teams, respectively.  Loyd is the winningest player in the history of the University of Oregon Men's Basketball program with 97 career wins over 4 seasons.  In 2013, the Ducks made a Sweet Sixteen appearance in the NCAA Tournament, their best showing in the tournament since the 2007 season. Motorcycle stunt riding, often referred to as stunting, is a motorcycle sport characterized by stunts involving acrobatic maneuvering of the motorcycle and sometimes the rider.  Common maneuvers in stunt riding include wheelies, stoppies, and burnouts.  Sport bikes have become a common vehicle for stunts. Sports injuries are injuries that occur in athletic activities or exercising.  In the United States there are about 30 million teenagers and children alone that participate in some form of organized sport.  About 3 million avid sports competitors 14 years of age and under experience sports injuries annually, which causes some loss of time of participation in the sport.  The leading cause of death involving sports-related injuries, although rare, is brain injuries.  When injured the two main systems affected are the nervous and vascular systems.  The origins in the body where numbness and tingling occurs upon sports injuries are usually the first signs of the body telling you that the body was impacted.  Thus, when an athlete complains of numbness and especially tingling, the key to a diagnosis is to obtain a detailed history of the athlete’s acquired symptom perception, determine the effect the injury had on the body and its processes, and then establish the prime treatment method.  In the process to determine what exactly happened in the body and the standing effects most medical professionals choose a method of technological medical devices to acquire a credible solution to the site of injury.  Prevention helps reduce potential sport injuries.  It is important to establish participation in warm-ups, stretching, and exercises that focus on main muscle groups commonly used in the sport of interest.  Also, creating an injury prevention program as a team, which includes education on rehydration, nutrition, monitoring team members “at risk”, monitoring behavior, skills, and techniques.  Season analysis reviews and preseason screenings are also beneficial reviews for preventing player sport injuries.  One technique used in the process of preseason screening is the functional movement screen.  The functional movement screen can assess movement patterns in athletes in order to find the at risk players.  Following various researches about sport injuries shows that levels of anxiety, stress, and depression are elevated.  A study in 2010 found that athletes with severe sports injuries would display higher levels of post-traumatic distress and the higher the levels of post-traumatic distress are linked with avoidant coping skills. James "Rocket" Power (February 9, 1884 – April 6, 1920) was an amateur, later a professional ice hockey athlete playing the defence position from 1900 to 1913.  Rocket played on the 1904 Quebec Bulldogs CAHL championship team.  That year Quebec did not challenge for the Stanley Cup.  He also played one regular season game for Quebec Bulldogs 1913 Stanley Cup champion team. Chu Mu-yen ( born March 14, 1982) is a Taekwondo athlete from Taiwan.  He is the second Taiwanese athlete and first male to win a gold medal at the Olympics, winning in men's under 58-kilogram class in Taekwondo at the Athens 2004 Games.  He was 22 years old and 1.73 meters tall when he won the Gold in Athens, and frequently competed against larger, stronger players in his Olympic Fly division.  In the 2008 Olympics, Chu won the bronze medal in the men's under 58-kilogram class in Taekwondo. Dickson Wamwiri Wanjiku (born December 24, 1984) is a Kenyan taekwondo practitioner.  Wamwiri qualified for the men's 58 kg class at the 2008 Summer Olympics in Beijing, after winning the championship title from the African Qualification Tournament in Tripoli, Libya.  In December 2012, he lost the preliminary match to defending world and Olympic champion Chu Mu-yen of Chinese Taipei, with a final score of 0–7.
Answer: its emphasis on head-height kicks, jumping and spinning kicks, and fast kicking techniques