2016 Rio Olympics, Artistic gymnastics, Women's Training, Rio Athletes Park, Rio De Janeiro, Brazil on July 27, 2016. Gymnasts from Japan (C) and Cuba (R) train. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Artistic gymnastics, Women's Training, Rio Athletes Park, Rio De Janeiro, Brazil on July 27, 2016. A gymnast from Russia trains. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Artistic gymnastics, Women's Training, Rio Athletes Park, Rio De Janeiro, Brazil on July 27, 2016. Gymnasts from Russia train. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Artistic gymnastics, Women's Training, Rio Athletes Park, Rio De Janeiro, Brazil on July 27, 2016. Gymnasts from Russia train. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Artistic gymnastics, Women's Training, Rio Athletes Park, Rio De Janeiro, Brazil on July 27, 2016. A gymnast from Russia trains. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Artistic gymnastics, Women's Training, Rio Athletes Park, Rio De Janeiro, Brazil on July 27, 2016. A gymnast from Russia trains. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Artistic gymnastics, Women's Training, Rio Athletes Park, Rio De Janeiro, Brazil on July 27, 2016. A gymnast from Japan trains. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Artistic gymnastics, Women's Training, Rio Athletes Park, Rio De Janeiro, Brazil on July 27, 2016. Gymnasts from Ukraine warm up. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Artistic gymnastics, Women's Training, Rio Athletes Park, Rio De Janeiro, Brazil on July 27, 2016. Gymnasts from Japan train. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Artistic gymnastics, Women's Training, Rio Athletes Park, Rio De Janeiro, Brazil on July 27, 2016. Gymnasts from Japan train. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Artistic gymnastics, Women's Training, Rio Athletes Park, Rio De Janeiro, Brazil on July 27, 2016. A gymnast from Russia trains. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Artistic gymnastics, Women's Training, Rio Athletes Park, Rio De Janeiro, Brazil on July 27, 2016. A gymnast from Ukraine trains. (Photo by Ivan Alvarado/Reuters)





2016 Rio Olympics, Weightlifting, Women's Training, Riocentro, Rio de Janeiro, Brazil on July 27, 2016. An athlete of Philippines practices. (Photo by Stefan Wermuth/Reuters)





2016 Rio Olympics, Weightlifting, Men's Training, Riocentro, Rio de Janeiro, Brazil on July 27, 2016. Fernando Reis of Brazil during practice. (Photo by Stefan Wermuth/Reuters)





2016 Rio Olympics, Weightlifting, Men's Training, Riocentro, Rio de Janeiro, Brazil on July 27, 2016. An athlete of Brazil during practice. (Photo by Stefan Wermuth/Reuters)





A man does crunches at a public park in Port-au-Prince, Haiti, July 28, 2016. (Photo by Andres Martinez Casares/Reuters)





A man is reflected in a mirror as he lifts weight at a public park in Port-au-Prince, Haiti July 28, 2016. (Photo by Andres Martinez Casares/Reuters)





Residents exercise during a group workout at a public park in Port-au-Prince, Haiti July 28, 2016. (Photo by Andres Martinez Casares/Reuters)





A man does push ups at a public park in Port-au-Prince, Haiti, July 28, 2016. (Photo by Andres Martinez Casares/Reuters)





A woman does crunches on a bench at a public park in Port-au-Prince, Haiti July 28, 2016. (Photo by Andres Martinez Casares/Reuters)





Trinidad and Tobago's Keshorn Walcott leaves the Hasely Crawford stadium after a practice session of javelin throwing in Port-of-Spain, Trinidad and Tobago, July 15, 2016. (Photo by Andrea De Silva/Reuters)





Trinidad and Tobago's Keshorn Walcott practices javelin throwing at the Hasely Crawford stadium in Port-of-Spain, Trinidad and Tobago, July 15, 2016. (Photo by Andrea De Silva/Reuters)