old mature man and little boy exercising with dumbbell. grandfather and child lifting weights. be in motion. like sports

active adult age aged aging athlete athletes athletic boy champion child childhood children dumbbell dumbbells elderly exercise exercises exercising family father fit fitness generation grandchildren grandfather grandpa grandson growing growth health healthy kid lifting men motivation muscle muscular old parent pensioner power pupil result retired senior son sport sporting sportive sports sportsman sportsmen sporty strong success summer teamwork together trainer training win workout young