caucasian female athlete in good fit posing with barbell and doing leg stretching exercises

20s 30s activity adult aerobics alone and athlete athletic barbell body bodycare caucasian cheerful class concepts doing exercise exercises exercising female fit fitball fitness flexibility girl good gym gymvertical health healthy image leg life lifestyle loss mats natural one people pilates posing real sport sportswear sporty stretch stretching teamwork thirties training twenties warmup weight wellness woman workout young