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When in use, modern trekking poles resemble ski poles as they have many features in common, such as baskets at the bottom to prevent the pole sinking through unstable surfaces, and rubber-padded handles and wrist straps to strengthen holding grip. Their maximum length is usually 135 cm (54 inches), however, unlike ski poles, they are often made ...
The introduction in the early 1950s of flexible vaulting poles made from composites such as fiberglass or carbon fiber allowed vaulters to achieve greater height. [ 1 ] [ 2 ] [ 3 ] The present record of 6.26 m ( 20 ft 6 + 1 ⁄ 4 in) was set by Armand Duplantis , competing for Sweden at the Silesia Diamond League .
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Today's pole vaulters benefit from poles produced by wrapping pre-cut sheets of fiberglass that contains resin around a metal pole mandrel, to produce a slightly curved pole that bends more easily under the compression caused by an athlete's take-off. The shape of the fiberglass sheets and the amount of fiberglass used is carefully planned to ...
In a pole competition, each athlete generally performs a routine to music. Athletes are judged on their ability to perform complex movements (e.g. spins and strength and flexibility poses), choreography, style, and expressiveness. Poles in IPSF pole-sports competitions are brass, 45 mm (1.77 in) in diameter, with 4m (13.12 feet) of usable ...
The women's pole vault at the 2008 Summer Olympics took place between August 16 and 18 at the Beijing National Stadium. [ 1 ] The qualifying standards were 4.45 m (A standard) and 4.30 m (B standard).