Selektiver Fokus des afrikanisch-amerikanischen männlichen Trainers mit Zeitschaltuhr auf Sportlerin, die im Fitnessstudio auf dem Laufband läuft - Stockfoto & -bild

Smiling african american male trainer with timer looking at sportswoman running on treadmill at gym

Smiling african american male athlete on treadmill at gym

Female personal trainer using timer and running sportsman at gym

Serious african ameriican doctor supervising young sportsman running on treadmill

Beautiful sports people work on the treadmill in the gym . healthy lifestyle

Handsome bi-racial man pushing sensor button on control panel of treadmill

Personal training with a trainer on a treadmill. The trainer controls the correctness of the exercise when using a treadmill for cardio. Control coach in the gym. Athletic jogging with a trainer

Group of young fit people running on treadmills in modern sport gym

Asian sportsman and sportswoman running at city street

Rear view shot of young athletic sportsman squatting and lifting up a kettlebell at gym

Athletic sportsman lifting a barbell with weights at gym and looking at camera

Smiling asian sportsman and sportswoman running at city street

Handsome athletic sportsman performing lunge with medicine ball in dark gym

Cropped shot of young athletic sportsman with embossed muscles, lifting up a kettlebell at gym

Athletic bodybuilder exercising with barbell and looking at camera while woman standing behind in dark gym

Sport blogger showing how to train with dumbbells