Question: Chu Mu-yen is an athlete playing a sport characterized by what ?

full_context: Document 1: Taekwondo: 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.
Document 2: Taekkyeon: Taekkyeon is a traditional Korean martial art first explicitly recorded during the Joseon Dynasty. Taekkyeon is characterized by fluid, dynamic footwork called ""pum balgi"" or Stepping-on-Triangles. Taekkyeon has many leg and whole-body techniques with fully integrated armwork. Although taekkyeon primarily utilizes kicking, punching, and arm strikes thrown from a mobile stance and does not provide a framework for groundfighting, it does incorporate a variety of different throws, takedowns, and grappling techniques to complement its striking focus. The martial art is frequently romanized informally as Taekgyeon, Taekkyon, or Taekyun.
Document 3: Song Soon-chun: Song competed for South Korea in the 1956 Summer Olympics held in Melbourne, Australia. In the bantamweight boxing event, he captured the silver medal. His silver medal was South Korea's first silver medal at the Olympic Games.
Document 4: Dickson Wamwiri: 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.
Document 5: List of Olympic medalists in taekwondo: Taekwondo is an Olympic sport that is contested at the Summer Olympic Games. It was introduced in the 1988 and 1992 Olympic Games as a demonstration sport, and made its debut as a full medal sport at the 2000 Summer Olympics in Sydney, Australia. Both men and women compete in four events each defined by separate weight classes: flyweight, featherweight, middleweight and heavyweight. Traditionally, taekwondo competitions consist of eight weight classes for each gender, but Olympic taekwondo only have four due to the International Olympic Committee (IOC) limiting the total number of taekwondo entrants to 128.
Document 6: Kumdo: Kumdo is a modern Korean martial art derived from Japanese Kendo.its origin is the Japanese kendo. Though romanized in a number ways when written Kǒmdo or Geomdo the meaning remains "the way of the sword" and is cognate with the Japanese term. As a martial art, Kumdo has become accepted in Korean culture and society since its introduction from Japan to the degree that the term "Kumdo" has, in recent history, become a generic label for other Korean martial arts based upon swordsmanship. As a result, caution should be exercised to avoid confusion among practices espousing martial (i.e., Hankumdo) rather than sporting and competitive goals. Although related to Japanese Kendo, minor differences exist in Korean Kumdo due to appropriation and acculturation. Such differences include, but are not limited to, the use of native terminology, the use of blue flags rather than red flags for the referees and minor modifications to the uniform.
Document 7: Table tennis at the 1998 Asian Games: Table tennis was contested in the 1998 Asian Games held in Bangkok, Thailand from December 6 to December 20, 1998. China maintained its dominance in the event and won total nine medals, with six golds. Kim Taek-Soo of South Korea was the only non-Chinese player who won a gold medal, and with his medal South Korea finished second in medal table, with total eight medals. North Korea and Hong Kong both achieved one silver and one bronze, and finished tied at a third spot in a medal table rankings.
Document 8: WonHwaDo: Won Hwa Do(원화도) is a traditional Korean martial art, founded in 1972 by Bong-Ki Han. The name in Korean (Hangul) means "The Way of Circular Harmony" (Won = Circle, Hwa = Harmony, Do = Way). The basis of the art lies in circular movement by effectively utilizing full 360° rotations of the human body motion. This helps in conserving energy and reducing the risk of injury on the practitioner's joints often caused by use of linear force and impact. Won Hwa Do is often compared to hapkido and Taekkyeon which are also national martial arts of Korea. Although similar in several aspects, Won Hwa Do's Ha-Dan/Sang-Dan Hoe-Jeon-Gong-Bang (하단/상단 회전공방) techniques are a unique trademark which is not shared by the other Korean martial arts. Ha-Dan Hoe-Jeon- Gong-Bang has the practitioner rotating arms in a forward motion and Sang-Dan has them rotating it in a backward motion. These two form the bases of strikes, throws, blocks, counters, submissions and kicks in its diverse self-defense system and are the most fundamental and basic practice of Won Hwa Do.
Document 9: Park Eun-chul: Park Eun-Chul (Hangul: 박은철, Hanja: 朴殷哲; ] or ] ; born January 18, 1981 in Cheongju, Chungcheongbuk-do) is a South Korean wrestler who won the Bronze medal in the Men's Greco-Roman 55kg in the 2008 Summer Olympics in Beijing. He is also a Three-time world championship medalist, receiving Bronze in 2006, and Silver in 2005 and 2007. He lost both his world championship finals matches to Hamid Sourian. Park eventually beat Sourian in the Bronze medal match at the 2008 Summer Olympics.
Document 10: Mu Tiezhu: Mu "Iron Pole" Tiezhu (; literally meaning "Mu Iron Pole"; June 1, 1949 – September 14, 2008) was a prominent Chinese basketball player and coach. At a height of 228 cm (7 feet 5.75 inches) and a weight of 160 kg, he was one of the largest and tallest players in China (Yao Ming and Sun Mingming both being similar or taller).
Document 11: Hwa Rang Do: Hwa Rang Do, also known as "The Way of the Flowering Knights" (Hangul: 화랑도 ; Hanja: 花郞道 ) is a comprehensive Korean martial art that was developed in the 1960s by Joo Bang Lee and his brother Joo Sang Lee. Hwa Rang Do as a martial art has multiple areas of focus including stand up fighting with open-hand striking, weapons, throws and takedowns, ground fighting, various types of meditative practices, intellectual and character development, and artistic and cultural pursuits.
Document 12: Chika Chukwumerije: Chika Yagazie Chukwumerije (born December 30, 1983) is a male taekwondo practitioner from Nigeria. The son of Nigerian politician Uche Chukwumerije, Chika first drew attention in 2003 during the qualifiers for the 2003 All-Africa Games, where he eventually won a bronze medal in the Heavyweight Male category. He qualified for the 2004 Summer Olympics in Athens, but lost his first bout to Pascal Gentil, the eventual bronze medal winner. Nevertheless, after a period of intensive training that was funded by his father, he became one of Nigeria's best chances for a medal at the 2008 Summer Olympics in Beijing. He won a gold medal at the 2007 All-Africa Games in the +80 kg class and qualified for the 2008 Olympic Games soon after. Although he lost to eventual silver-medal winner Alexandros Nikolaidis in the semifinals of the +80kg event, he was entered into the repechage round of the tournament. Here, after defeating Akmal Irgashev of Uzbekistan he claimed a bronze medal in the event, Nigeria's third medal of the tournament. Four years later he competed at the 2012 Summer Olympics, but did not make it past his first bout.
Document 13: Chu Mu-yen: 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.
Document 14: Original masters of taekwondo: Original Masters of TaeKwonDo is a group of twelve South Korean martial art masters assembled by the Korea Taekwondo Association (KTA) in the early 1960s to promote the newly established art of taekwondo. In alphabetical order following Korean naming conventions, they are: Choi Chang Keun, Choi Kwang Jo, Han Cha Kyo, Kim Jong Chan, Kim Kwang Il, Kong Young Il, Park Jong Soo, Park Jung Tae, Park Sun Jae, Rhee Chong Chul, Rhee Chong Hyup, and Rhee Ki Ha.
Document 15: Che Mian: He competed in the 2004 Summer Paralympics in Athens, Greece. There he won a silver medal in the men's 4 x 100 metre relay - T35-38 event, a silver medal in the men's 4 x 400 metre relay - T35-38 event, a bronze medal in the men's 100 metres - T36 event, finished sixth in the men's 200 metres - T36 event and finished fourth in the men's 400 metres - T36 event. He also competed at the 2008 Summer Paralympics in Beijing, China. There he won a silver medal in the men's 4 x 100 metre relay - T35-38 event, a bronze medal in the men's 200 metres - T36 event, a bronze medal in the men's 400 metres - T36 event and finished sixth in the men's 100 metres - T36 event
ground_truth: its emphasis on head-height kicks, jumping and spinning kicks, and fast kicking techniques