(单词翻译:单击)
Avoid back strain, headaches, and neck pain that can be caused by a heavy backpack by following these tips.
遵循下面的建议，避免太重的背包造成背部疼痛，头痛和脖子疼痛。
You Will Need
你需要
Backpack
背包
Research
研究
Steps
步骤
STEP 1 Purchase a lightweight backpack
1.购买比较轻的背包
Purchase a lightweight backpack that is the appropriate size for the user's age, weight, and height. Do research by consulting sales clerks at sport shops or looking at reviews in consumer magazines or online.
购买适合使用者年龄，体重和身高的重量比较轻的背包。向体育用品商店的售货员咨询或者在消费者杂志或网上查看评论，做好调查工作。
STEP 2 Avoid a heavy pack
2.避免负担太重
Avoid a heavy backpack. Kids should not carry more than 10 to 15 percent of their body weight.
避免背包里装的东西太重。孩子背的重量不应该超过体重的10%至15%。
Go through the backpack daily and remove any items that add unnecessary weight.
每天检查背包，拿掉增加额外重量的任何多余物品。
STEP 3 Bend at the knees
3.膝盖弯曲
Learn to bend at the knees and grab the backpack with both hands when lifting.
负重的时候，弯曲膝盖，用双手抓住背包。
STEP 4 Distribute
4.分散重量
Distribute the weight of the backpack more evenly by utilizing all the compartments and side pockets.Put the heaviest item in the center of the pack.
充分利用背包的所有隔段和侧包，让重量分布更加均匀。把最重的物品放在背包的中心。
STEP 5 Use both straps
5.使用两条肩带
Carry the backpack using both straps to evenly distribute the weight. Backpacks with padded straps enhance comfort.
使用背包的两条肩带，平均分配重量。有软垫背带的背包更加舒适。
STEP 6 Tighten straps
6.拉紧背带
Tighten the straps to fit close to the body and sit 2 inches above the waist.
拉紧背带，让袋子更紧密贴合身体，让背包在腰部以上两英寸的位置。
STEP 7 Consider a backpack on wheels
7.考虑有轮子的背包
Consider purchasing a backpack on wheels if you can't handle the heavy load. With proper lifting strategies, your back will thank you!
如果双肩难以负担背包的重量，可以考虑购买有轮子的背包。使用合适的负重策略，你的背部会对你感激不尽！
The founder of Voltaic Systems thought of the concept for his company's solar backpack when he was traveling through Spain and needed to charge his cell phone.
光伏系统的创始人在西班牙旅行，手机需要充电的时候为公司想出了太阳能背包的概念。
