Long dominated by Russia, rhythmic gymnastics rising in US

Evita Griskenas of the United States performs during a rhythmic gymnastics individual training session at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Markus Schreiber)

Laura Zeng of the United States performs during a rhythmic gymnastics individual training session at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Markus Schreiber)

Evita Griskenas of the United States performs during a rhythmic gymnastics individual training session at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Markus Schreiber)

Evita Griskenas front in red, of the United States performs during a rhythmic gymnastics individual training session at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Markus Schreiber)

Laura Zeng, second from left, and Evita Griskenas, second from right, from the United States pose with their coaches after an individual rhythmic gymnastics training session at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Markus Schreiber)

Evita Griskenas from the United States uses a hand fan during a break of her individual rhythmic gymnastics training session at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Markus Schreiber)

Evita Griskenas of the United States performs during a rhythmic gymnastics individual training session at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Markus Schreiber)

Evita Griskenas from the United States uses a hand fan during a break of her individual rhythmic gymnastics training session at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Markus Schreiber)

Laura Zeng of the United States performs during a rhythmic gymnastics individual training session at the 2020 Summer Olympics, Thursday, Aug. 5, 2021, in Tokyo, Japan. (AP Photo/Markus Schreiber)