Dziecko ma ciężki tornister? Plecak na kółkach jest lepszym wyborem – pomoże mu uniknąć nadmiernego wysiłku oraz bólu pleców. To nie tylko intuicyjne przekonanie, a wiedza! Uczniowskie plecaki ważą za dużo, tymczasem masa tornistra na plecach nie powinna przekraczać 10-15 procent masy ciała dziecka. Za ciężki plecak to bóle kręgosłupa wynikające z przeciążenia mięśni i nieprawidłowej postawy, co […]
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