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 (recumbents) elevation of the course is flat at 295 meters above sea level, hence this is considered a low-altitude location (<700 meters) per IHPVA/WHPVA rules. Barbara Buatois went on to set the ladies 200-meter top speed record of 75 mph at Battle Mountain in 2009 and 2010, and also finish the 2010 RAAM Race Across America as the #1 lady finisher. She used a Stock recumbent for this ride across America. Chris Boardman's UCI Absolute (formerly known as Best Human effort) Hour record of 56.375 km (35.03 miles) has now been bettered twice by a rider on an unfaired recumbent bicycle,