Researchers at the University of Granada warn that 23 percent of the girls carry in their backpack or trolley a load over 20 percent of their body weight, well above what is recommended
Researchers at the University of Granada (UGR) belonging to the Joint University Institute for Sports and Health (Instituto Mixto Universitario Deporte y Salud, iMUDS), have scientifically proven that trolleys are more beneficial than backpacks for children's gait, and it does less damage to their backs.
The research involved a total of 78 schoolchildren aged 6 to 12, 43 girls and 35 boys, belonging to public schools in Granada.
