Ключевые слова: active, athlete, body care, boy, brother, cardio, caucasian, child, children, children sport, competitive, development, emotion, enjoyment, family, fitness, forest, friend, girl, jogging, joy, kid, leisure activity, lifestyle, little, outdoor, park, person, power, preadolescent, preteen, run, running, setra, sibling, sister, sports, starting, summer, support, teen, teenagers, together, track, training, treadmill, twins, two, weekend activities, young,