Is it bad to carry a heavy school bag?

The recommended “safe weight” a child should carry is 10% of his/her body weight. The average backpack is estimated between 12 and 20 pounds, or 15% to 30% of the students' body mass. Overbearing weight is linked to student back and neck strains as well as nerve damage in the neck and shoulders.



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Kids can have backaches from lugging around the weight of books, school supplies, and personal items. Doctors and physical therapists recommend that kids carry no more than 10% to 20% of their body weight in their packs.

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Parents are often surprised at how much their child's backpack actually weighs. As a general rule, to prevent injury, a full backpack should weigh no more than 10 to 20 percent of your child's body weight. How a student wears a backpack is often just as important as its overall weight.

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Doctors recommend that backpack weight should be between 10-15 percent of a person's total body weight. If a 90-pound sixth grader carried 15 percent of their weight, the backpack should be no more than 13 pounds. An average for a 135-pound adult would be about 20 pounds.

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Parents are often surprised at how much their child's backpack actually weighs. As a general rule, to prevent injury, a full backpack should weigh no more than 10 to 20 percent of your child's body weight. How a student wears a backpack is often just as important as its overall weight.

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Most airlines charge $100-$200 if your luggage is overweight. Delta and American Airlines charge $100 if your bag weighs 51-70 pounds and $200 if your bag weighs 71-100 pounds. United airlines charges up to $400 for overweight bags depending on the weight and destination.

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Straps being pulled down by a heavy bag can put quite a lot of pressure on your muscles, which can pinch your nerves and cause that numb/tingling sensation. Over time, this can cause nerve damage, which can take a long time to heal, and will only get worse if you continue to lug around the heavy bag.

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Although backpacks do not cause scoliosis, carrying heavy items can cause other forms of spinal problems. This is usually the case if the backpack is very heavy and the straps are too loose, or when the child leans forward to compensate for the extra weight; thereby causing a misalignment of the spine.

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It can cause poor posture, compressed discs in the spine, and even curvature of the spine. Straps digging into the muscles of the shoulder were also found not just to irritate the area, but to cause potential damage to the nerves of the hands and arms. These issues aren't just small problems.

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If you are traveling by air, you can know if your luggage is too heavy by weighing it with luggage scales. Every airline has a luggage restrictions threshold; if your luggage exceeds the allowed threshold, it is too heavy. You will have to pay the airline a fee for excess baggage when this happens.

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By putting a heavy weight on your shoulders in the wrong way, the weight's force can pull you backward. So people who carry heavy backpacks sometimes lean forward. Because of the heavy weight and this unnatural position, they can develop shoulder, neck, and back pain.

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It is difficult to hold a school bag having a thin strap because the pressure on the shoulders is quite large. This is because the pressure is inversely proportional to the surface area on which the force acts. The smaller is the surface area; the larger will be the pressure on the surface.

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Capacity and size A backpack with a capacity of 25 to 30 litres is usually enough to carry the essentials for a normal school day. If you plan to carry extra stuff like sports equipment or a lunch box, it might be wise to choose a backpack with a larger capacity.

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The short answer: Yes, a backpack is generally considered a personal item if it fits under the seat in front of you. Most airlines offer a few examples of things that fit into the “personal item” category, such as a purse, laptop bag, or a briefcase, but they don't usually include “backpack” on those lists.

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School bags are provided with broad straps to increase the surface area in contact with the shoulders and reduce pressure on the shoulders. If thin straps would be used, the surface area in contact with the shoulders would decrease which will lead to an increase in pressure on shoulders.

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