Sportler Mann radelt in der Sporthalle, trainiert seine Beine beim Ausdauertraining Radfahren Fahrräder. - Stockfoto & -bild

Athlete man biking in the gym, exercising his legs doing cardio training cycling bikes.

Healthy lifestyle concept. Young sporty man in white t-shirt and shorts is exercising bike at spinning class . Cardio training

Healthy lifestyle concept. Young sporty man in white t-shirt and shorts is exercising bike at spinning class . Cardio training

Man riding stationary bicycle in health club

Muscular man biking in the gym, exercising legs doing cardio workout cycling bikes, spinning class .

Sporty young man on treadmill in gym

Group training people biking in the gym, exercising legs doing cardio workout cycling bikes.

Fitness training athletic sporty man doing plank exercise in gym or yoga class exercising workout.

Fit man exercising with fit ball workout out arms Exercise training triceps and biceps doing push ups

Group people warming up, doing power exercise workout in fitness club.

Group people warming up, doing power exercise workout in fitness club.

Fitness training athletic sporty man doing plank exercise in gym or home concept exercising workout aerobic

People doing squats with barbells on shoulders exercising at fitness club

Fit woman doing cardio in an elliptical trainer in a gym