Circle changeup the index finger on the seam of the ball and the thumb on the side of the ball to "choke" the ball. According to his autobiography, Nolan Ryan also developed his own circle changeup to add another off-speed pitch without having to throw a slider (as sliders are believed to more frequently cause injuries). Circle changeup In baseball, a circle changeup is a pitch thrown with a grip that includes a circle formation, hence the name circle changeup. The circle is formed by making a circle with the index finger, holding the thumb at the bottom of the ball parallel
Hour record attempts on 7 October 2017 and on 12 September 2018, broke Stevens' world record by 27 metres riding 48.007 km on 13 September 2018. The new regulations for the making of accepted hour record attempts were extended to para-cycling in 2016. Although the first attempt on the hour record for women after the amendments to the regulations was made by Paralympian Sarah Storey, it was not a ratified attempt on the women's C5 hour record under the new conditions, which at that point still did not extend to paracycling - albeit that Storey's effort is recognized as a best C5