portrait of smiling female fitness instructor writing in clipboard while standing in gym

active athlete athletic authority body bodycare caucasian cheerful clipboard club day diet dieting equipment exercise female fit fitness fitnessinstructor fitnessstudio focusonforeground frontview gym happiness health healthcare healthiness healthy healthylifestyle holding indoors instructor lifestyle lookingatcamera pen portrait selfimprovement smiling sport sportswear sporty standing stopwatch threequarterlength toned vitality wellness woman writing youngadult