young girlon the work-out on exercise bike. concept for weight loss. exercises for the buttocks, beautiful hips, back view

active activewear activity adult arms athlete athletic attractive back beautiful biceps bicycle bike blonde body burn buttocks cardio class club concentration concept cycle determination energy equipment exercise exercises female fit fitness for girl girlon gym hand health healthy hips home indoor lifestyle loss machine out person riding spinning sport sportswear stationary training view weight woman work work-out young