Groep mensen in een Pilates klasse met ballen op de sportschool. - Stockfoto’s en -afbeeldingen

Group of people in a Pilates class with balls at the gym.

Portrait of happy group exercising on Swiss ball at gym

Portrait of happy group exercising on Swiss ball at gym

Fitness, sport, training, gym and lifestyle concept - young woman doing exercise on fitness ball.

Fitness, sport, training, gym and lifestyle concept - young woman doing exercise on fitness ball.

Group of people in a Pilates class with balls at the gym.

Portrait of happy group exercising on Swiss ball at gym

Group of people in a Pilates class with balls at the gym.

Group of people in a Pilates class with balls at the gym.

Gym people strength pushup with dumbbells in workout.

Man and woman doing push-up strength with dumbbells workout in gym

Kettlebells swing exercise man and woman workout at gym

Gym man and woman push-up strength pushup with dumbbell in a workout

Photo of a woman doing pushups in a gym with personal trainer

Bodybuilding man and woman holding dumbbells in plank position at the gym.