Judo at the 1972 Summer Olympics – Men's open category Ruska retired after the Munich Games being the only judoka to win two medals in the same Olympics. Judo at the 1972 Summer Olympics – Men's open category Men's Open class competition in judo at the 1972 Summer Olympics in Munich, West Germany was held at Judo and Wrestling Hall. Willem Ruska was the strong favorite to win a second gold medal, having already won gold in the +93 kg weight class. In a surprise Vitali Kuznetsov threw Ruska defeating him using Te Guruma. Kuznetsov ended up winning the pool allowing Ruska to continue in the repechage. Ruska ended up
History of swimming turn, and requiring the head to break the surface every cycle. The 1956 Games in Melbourne also saw the introduction of the flip turn, a sort of tumble turn to faster change directions at the end of the lane. In 1972, another famous swimmer, Mark Spitz, was at the height of his career. During the 1972 Summer Olympics in Munich, Germany, he won seven gold medals. Shortly thereafter in 1973, the first swimming world championship was held in Belgrade, Yugoslavia by the FINA. Breaking the water surface reduces the speed in swimming. The swimmers Daichi Suzuki (Japan) and David Berkoff