20 SEP 1988: VLADIMIR ARTEMOV OF THE SOVIET UNION PERFORMS HIS ROUTINE ON THE PARALLEL BARS AT THE 1988 SEOUL OLYMPICS. ARTEMOV WON THE GOLD MEDAL WITH A SCORE OF 19.925 POINTS.

Oleg Verniaiev of Ukraine competes in the Parallel Bars final on Day 11 of the Rio 2016 Olympic Games at the Rio Olympic Arena on August 16, 2016 in Rio de Janeiro, Brazil.

Danell Leyva of the United States of America competes on the Parallel Bars Final on Day 11 of the Rio 2016 Olympic Games at the Rio Olympic Arena on August 16, 2016 in Rio de Janeiro, Brazil.

Oleg Verniaiev of Ukraine competes in the Parallel Bars final on Day 11 of the Rio 2016 Olympic Games at the Rio Olympic Arena on August 16, 2016 in Rio de Janeiro, Brazil.

ATHENS - AUGUST 23: Xiaopeng Li of China competes in the men's artistic gymnastics parallel bar finals on August 23, 2004 during the Athens 2004 Summer Olympic Games at the Olympic Sports Complex Indoor Hall in Athens, Greece. (Photo by Ezra Shaw/Getty Images) *** Local Caption *** Xiaopeng Li

Nanjing 2014 - Nikita Nagornyy of Russia(C), Botond Kardos of Hungary (L) and Giarnni Regini-Moran of Great Britain on the podium during the awarding ceremony of the Men's Parallel Bars of Artistic Gymnastics at Nanjing 2014 Youth Olympic Games in Nanjing, Jiangsu Province, Aug. 24, 2014.

ATHENS - AUGUST 23: (L-R) Hiroyuki Tomita of Japan (silver), Valeri Goncharov of Ukraine (gold) and Xiaopeng Li of China (bronze) receive their medals for the men's artistic gymnastics parallel bar event on August 23, 2004 during the Athens 2004 Summer Olympic Games at the Olympic Sports Complex Indoor Hall in Athens, Greece. (Photo by Ezra Shaw/Getty Images) *** Local Caption *** Hiroyuki Tomita;Valeri Goncharov;Xiaopeng Li

Nanjing 2014 - Nikita Nagornyy of Russian Federation competes during the Men's Parallel Bars Final match of artistic gymnastics at the Nanjing 2014 Youth Olympic Games in Nanjing, capital of Jiangsu Province, on Aug. 24, 2014.

Nanjing 2014 - Nikita Nagornyy of Russian Federation celebrates the winning after the Men's Parallel Bars Final match of artistic gymnastics at the Nanjing 2014 Youth Olympic Games in Nanjing, capital of Jiangsu Province, on Aug. 24, 2014.

Atlanta 1996-Compulsory. Parallel bars, Dimitry VASILENKO (RUS).