Some specialists suggest to principals and teachers that the weight of the backpacks that students carry equal no more than 20 percent of the body weight of the child or that backpacks be transported “on wheels, have belts for the hips, and even have padded backs, ” reports Mexico City’s Excelsior newspaper.
Beberapa spesialis menyarankan kepada para kepala sekolah dan guru agar berat ransel yang dibawa para siswa tidak melebihi 20 persen berat tubuhnya atau agar ransel tersebut harus ” memiliki roda, ikat pinggang, dan bahkan bantalan punggung ”, lapor surat kabar Excelsior dari Mexico City.