Hey kids, Light up!!!!!!!!!
RESEARCH from a medical centre found that school children were lugging books weighing.That is comparable to an 80 kg man lugging a small refrigerator !Children carrying more than 10% to 20% of their weight risk neck and back problems.doctors say. Some notes for the backpackers in your life: @ Use both shoulder straps to avoid muscle strain and curvature of the spine. @ Get backpacks with abdominal belts.They distribute weight evenly. @ Keep heaviest books closer to the body and arm straps comfortably snug,so the pack sits 5cm above the waist. @ Bend using both knees - not at the waist - when wearing or lifting a pack
thats nice dear
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