Smiling older woman doing push-up on gymnasium floor

55 59 years active seniors aging authentic authenticity background people beauty blonde hair california caucasian challenge color image confident day discipline enjoying exercise exuberant fitness floor focus on foreground full length goals gray hair gymnasium happy health health club healthy living horizontal indoors lifestyle looking at camera mature adult mature women motion older one person people photography physical fitness portrait posing push up real people retirement san diego smiling strength strong sunny united states woman working out ethereal grit40 45 40 50 40's 40s 45 50 50 55 50 60 55 60 activity adult ageing america american americas appreciating blond ca challenging cheerful color colour confidence daylight daytime demanding energy enjoyment exercising exertion female fifties fifty fitness center forties forty full body full length gaiety gal glad gleeful gray grey grey hair gym hair hardy healthy human human being indoor inside jolly lady lighthearted maturing merry mid life middle age middle aged middle age middle aged movement north america one person pleasing pleasure portraiture positive power powerful push up relishing satisfaction self assured self improvement smile sunlight sunshine us usa united states of america us usa vitality well being west coast western european women work out workout