A heavy school backpack can cause poor handwriting in a child, Israeli researchers from Tel Aviv University say.
Scientists have found that wearing backpacks weighing more than 4 kg increases the risk of microdamage to nerve endings by 60%, and muscle damage by 85%..
The experts explained that as a result of regular exposure to the weight of the backpack, the nerve endings become less sensitive..
These changes negatively affect the physical form of the student and lead to a deterioration in the state of the muscular frame, the child becomes less dexterous.. That is why he may have difficulty with drawing and writing, and handwriting becomes ugly.
nedug. en.