slim sporty young woman in sporty black clothes crouches standing on the platform steps in the gym. girl doing morning exercises.

action activity aerobic aerobics athlete athletic balance black body cardio caucasian class closeup clothes coach concentration crouches doing effort energy exercise exercises female fit fitness footwear girl gym health healthy indoors instructor leggings legs lifestyle morning motivation person plank platform professional room shirt shoes slim sneakers sport sports sportswear sporty standing step steppers steps woman workout young