Aufmerksame Trainerin im Fitness-Tracker beobachtet afrikanisch-amerikanischen Sportler beim Laufen auf dem Laufband - Stockfoto & -bild

Fitness instructor helps young woman on treadmill. Cardio workout in gym, healthy lifestyle

Happy fitness instructor helps young woman on treadmill. Cardio workout in gym, healthy lifestyle

Group of four people, men and women, running on treadmills in modern and luminous fitness gym

Fitness instructor helps young woman on treadmill. Cardio workout in gym, healthy lifestyle

Fitness instructor helps young woman on treadmill. Cardio workout in gym, healthy lifestyle

Pretty fitness trainer taking notes when talking to client in gym

Sport, fitness, lifestyle, technology and people concept - Happy young sporty woman with trainer working out on exercise bike in gym, Fitness class doing sport biking in the gym for health.