Niños preadolescentes entrenando con pesas y plataformas escalonadas - Foto e imágenes de stock

Adorable kids standing on step platforms in gym

Kids holding dumbbells and using step platforms

Kids using step platforms while doing push-up exercise

Cropped view of kids with dumbbells training with step platforms

Group of cheerful kids doing stretching in gym

Excited kid doing twine on yellow fitness mat

Children doing plank exercise with step platforms

Active preteen children training with step platforms

Side view of attractive sportswoman doing abs exercise and using fitness ball at gym

Cropped view of sportswoman tying laces on training shoes while sitting on fitness mat at gym

Instructor helping mature people stretching on yoga mats in fitness studio

Overweight girl reaching her toes in gym

Attractive focused sportswoman doing push ups with dumbbells at gym

Focused sportswoman in weightlifting gloves doing plank exercise on kettlebells at sports center

Female youngster holding fitness mat and showing thumb up, isolated on pink

Group of people doing plank on yoga mats in studio