Glückliche kleine Jungen sitzen auf dem Fitnessball, während der Vater auf dem Laufband trainiert - Stockfoto & -bild

Bearded trainer looking at boys in boxing gloves during sparring

Father helping little son exercising with dumbbells in gym

Father and sons holding dumbbells and smiling at camera on white

Front view of multiethnic children raising hands with dumbbells while doing Step Aerobics in gym

Cute little boys showing thumbs up and smiling at camera in gym

Cute son standing near father working out on fitness ball in gym

Sportive father and sons exercising with dumbbells and smiling at camera in gym

Happy father and cute little son boxing together in gym

Three happy multicultural resting on wooden boxes at gym

Young african american sportswoman in headband and wristbands sitting with bottle of water on training tire at gym

Side view of african american sportswoman on mat exercising with fitness ball at gym

Three multicultural sportswomen training at gym

Young attractive multicultural sportswomen sitting on wooden boxes at gym

Three smiling multicultural sportswomen exercising at gym

Young sportswoman doing exercise with dumbbell while two female athletes training behind at gym

African american sportswoman in headband and wristbands exercising on step platform at gym

African american sportswoman in headband and headbands resting on wooden box at gym