Who are these muscular girls?

Hi, I don't know if they are fakes, but do you know these girls?
https://www.google.fr/imgres?imgurl=https%3A%2F%2Fi.pinimg.com%2F736x%2F0a%2Fe2%2F32%2F0ae2323de11b80e5aa154d7226f17306--fitness-babes-sexy-fitness.jpg&imgrefurl=https%3A%2F%2Fwww.pinterest.com%2Fpin%2F401594491750109129%2F&docid=6PmDItktw45weM&tbnid=9-60WYxUh4hJaM%3A&vet=10ahUKEwjx-Lat8u_VAhVmJMAKHfRbDP0QMwimAShjMGM..i&w=436&h=655&hl=fr-fr&client=safari&bih=529&biw=320&q=huge%20tits%20fitness%20girl&ved=0ahUKEwjx-Lat8u_VAhVmJMAKHfRbDP0QMwimAShjMGM&iact=mrc&uact=8
https://www.google.fr/imgres?imgurl=https%3A%2F%2Fi.pinimg.com%2F736x%2F0a%2Fe2%2F32%2F0ae2323de11b80e5aa154d7226f17306--fitness-babes-sexy-fitness.jpg&imgrefurl=https%3A%2F%2Fwww.pinterest.com%2Fpin%2F401594491750109129%2F&docid=6PmDItktw45weM&tbnid=9-60WYxUh4hJaM%3A&vet=10ahUKEwjx-Lat8u_VAhVmJMAKHfRbDP0QMwimAShjMGM..i&w=436&h=655&hl=fr-fr&client=safari&bih=529&biw=320&q=huge%20tits%20fitness%20girl&ved=0ahUKEwjx-Lat8u_VAhVmJMAKHfRbDP0QMwimAShjMGM&iact=mrc&uact=8
https://i.pinimg.com/736x/4b/ea/5a/4bea5aa21afe6b460c35c4e71c7b8b0e--female-fitness-fitness-models.jpg
https://i.pinimg.com/736x/4b/ea/5a/4bea5aa21afe6b460c35c4e71c7b8b0e--female-fitness-fitness-models.jpg
 
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