Parents, please be informed. Trolley Bags are a better option than backpacks for school kids for their movement and body posture. The findings of the study are published in the journal Applied Ergonomics.
For the study, researchers from the University of Granada and Liverpool John Moores University assessed 49 primary school pupils from Spain.
How to Reduce School Bag Weight - Simple Tips
Solutions to reduce the weight of heavy school bags is by carrying the right books and notes in the bag to prevent strain to the back, shoulders and hands.
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‘School kids who use backpacks should avoid carrying loads greater than 10 percent of their body weight as it hampers their movement.’
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In Spain, more than 40 percent of the children use trolley backpacks, and until now there have been no studies making weight recommendations for this type of backpack, said, researchers.
For the study, a kinematic analysis of the children (posture of the trunk and lower limbs) was conducted while they walked freely; carrying no weight; carrying a traditional backpack; and while pulling a backpack trolley with different loads (10 per cent, 15 per cent and 20 per cent of their respective body weights).
![Backpacks and Backaches]( "Backpacks and Backaches")
Children who carry backpacks that weigh more than 20% -25% of their body weight are more likely to develop backaches.
It was found that pulling the backpack trolley produces fewer changes in the child's kinematics and, therefore, resembles more closely their movement when walking free of any load, compared to carrying backpacks, even when it weighs very little.
Findings also indicate that the greatest alterations were produced in the hip and trunk when using trolleys or backpacks while there was little difference in the kinematics of the knee and ankle.
The study also confirmed that schoolchildren who use backpacks should avoid carrying loads greater than 10 percent of their body weight.
Source: IANS
Backpacks and Backaches
Children who carry backpacks that weigh more than 20% -25% of their body weight are more likely to develop backaches.
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It was found that pulling the backpack trolley produces fewer changes in the child's kinematics and, therefore, resembles more closely their movement when walking free of any load, compared to carrying backpacks, even when it weighs very little.
Findings also indicate that the greatest alterations were produced in the hip and trunk when using trolleys or backpacks while there was little difference in the kinematics of the knee and ankle.
The study also confirmed that schoolchildren who use backpacks should avoid carrying loads greater than 10 percent of their body weight.
Source: IANS
Heavy School Bags are Leading to Children's Back Bone and Muscle Problems
Medically children's bones are soft up to the age of 18 years and the spine is not too strong to carry the weight of heavy backpacks on their tender shoulders.
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 Four in Five School Kids Carry School Bags Weighing a Fifth of Their Body WeightMore than 80 percent of children are carrying school bags that weigh nearly a fifth of their body weight, putting more pressure on their backs, a new study reveals. | Advertisement
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