Page "High jump" Paragraph 56
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In the latter, the bar was approached diagonally, and the jumper threw first the inside leg and then the other over the bar in a scissoring motion.
Around the turn of the 20th century, techniques began to modernise, starting with the Irish-American Michael Sweeney's Eastern cut-off.
By taking off like the scissors, but extending his back and flattening out over the bar, Sweeney achieved a more economic clearance and raised the world record to in 1895.
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1.828 seconds.