Group ballet class in a wooden-floored studio, 1960s–1970s. Women in leotards and tights perform floor exercises, emphasizing... Classical ballet training session in a studio, mid-20th century. Dancers in leotards and tights practice floor exercises on p... Group fitness class in a gymnasium, 1970s–1980s. Women in leotards and shorts perform floor exercises on wooden planks. Minim... Group fitness class in a gymnasium, 1970s. Women in leotards and leg warmers stretch on wooden floors. Classic aerobic or yog... Black-and-white gym class in mid-20th century (likely 1960s–70s) with students performing floor exercises in a spacious indoo... Group fitness class in a gymnasium, 1970s. Participants perform floor exercises in coordinated poses, likely part of a struct... Group fitness class in a gymnasium, 1970s. Participants perform floor exercises in coordinated poses, likely inspired by Pila... Group of individuals in mid-motion, likely practicing floor exercises or dance in a spacious indoor wooden-floored hall. Unif...