Fitter Muskelmann läuft im Fitnessstudio auf Laufband. - Stockfoto & -bild

Young man in working out on stepper at gym

Young adult man setting control panel of treadmill before doing exercise.

Young man in working out on stepper at gym

Brunette sportsman training on treadmill in sports center

Young men with muscular body using air bike for cardio workout at cross training gym. Fitness concept.

Group of friends in a gym on a treadmill teamwork. Young man training on treadmill.

Man using exercise bike at the gym. Fitness male using air bike for cardio workout at Functional training gym.

Young handsome man doing cardio training on treadmill in gym

Young adult man running on treadmill in gym

Man using exercise bike at the gym. Fitness male using air bike for cardio workout at Functional training gym.

Concentrated fit man listening to music in headphones while running on treadmill in modern gym with panoramic windows, portrait shot.

Concentrated fit man listening to music in headphones while running on treadmill in modern gym with panoramic windows, portrait shot.

Very power athletic bearded guy relaxing after workout and hold or drink water from big bottle in gym

Fit Muscle Bearded Man With Headphones Running on Treadmill in Gym.

Fit Muscle Bearded Man With Headphones Running on Treadmill in Gym.

Smiling positive confident male personal instructor with arms crossed arms near treadmill at gym in fitness gym.

Concentrated fit man listening to music in headphones while running on treadmill in modern gym with panoramic windows, portrait shot.