Childhood development. child do exercise on track. healthy childhood. workout on fresh air outdoor. confident athlete with barbell. teen girl warming up on stadium. kid in sportswear use dumbbell. - Stock Photo & Image

Healthy child girl training fitness with dumbbells on stadium running track, weigh lifting.

Teen girl training with barbells on outdoor stadium, power. Black and white.

I am the best. power and strength. child training at school physical education lesson. dumbbells. teenage girl holding barbells. Black and white. fitness coach prepare for workout. warming up on

Healthy child girl training fitness with dumbbells on stadium running track, weigh lifting.

Drink enough water. Happy kid hold sports drink and dumbbells. Hydration for physical performance. Strength training workout. Fitness and sport. Sports school.

Girls kids standing on start before running outside on stadium arena, start.

Teen girl training with dumbbells and water bottle on outdoor stadium, fitness.

Drink enough water. Happy kid hold sports drink and dumbbells. Hydration for physical performance. Strength training workout. Fitness and sport. Sports school.

Teenage girl holding barbells and water bottle. fitness coach prepare for workout. warming up on stadium gym. power and strength. child training at school physical education lesson. dumbbells.

Being energetic is the new you. Energetic child jump on athletics track. Active lifestyle. Sporting activities. Fitness and sport. Physical education. Sports school.

Fit lady in fitness wear running on stadium racetrack while sport workout, stamina. Black and white.

Fit lady in fitness wear running on stadium racetrack while sport workout, stamina.

Healthy child girl training dumbbells on stadium running track, power.

Make yourself stronger. Strong teenage girl do dumbbell squats. Strength training. Strength training workout. Fitness and sport. Sports activites. Physical education.

Make yourself stronger. Strong teenage girl do dumbbell squats. Strength training. Strength training workout. Fitness and sport. Sports activites. Physical education.