Glücklicher gutaussehender Sportler mit Elektroden an der Ellipse beim Härtetest im Fitnessstudio - Stockfoto & -bild

Cropped view of sportsman with smartphone running on treadmill during endurance test in gym

Sportsman with smartphone running on treadmill during endurance test in gym

Smiling muscular sportsman in headphones running on treadmill during endurance test in gym

Muscular sportsman in headphones running on treadmill during endurance test in gym

Cropped view of sportsman with electrodes training on elliptical during endurance test in sports center

Handsome sportsman with electrodes running on treadmill during endurance test in gym with daylight

Cropped view of doctor putting electrodes on shirtless sportsman during endurance test

Doctor at desk conducting endurance test with sportsman in gym

Cropped view of sportsman training on elliptical machine at gym

Cropped view of sportsman training on treadmill at sports center

Attractive overweight girl holding smartphone while listening music in earphones

Low angle view of middle aged african american man exercising on treadmill at gym

Overweight tattooed man exercising with dumbbell at sports center

Cheerful overweight girl looking at smartphone with blank screen in gym

Cropped shot of senior athletes synchronous exercising on step platforms at gym

Plus size woman exercising on step platform near sport equipment