group of five caucasian female athletes having exercises with fitballs in gym and showing thumbs up sign.

activity adult aerobics athlete athletes athletic body bodycare caucasian cheerful class concepts exercise exercises exercising female fitballs fitness five flexibility girl group having health healthy horizontal ideas image life lifestyle loss many mats natural orientation people pilates real showing sign sport sportswear sporty stretch team teamwork thirties thumbs together training twenties warmup weight wellness with women workout young