Knapsack method:
One side shoulder injury: for adults, the common method of backpacking is single shoulder side backpack. And regardless of women's favorite single shoulder bag, even double shoulder bag, many people are accustomed to using one shoulder back.
^He said that incorrect backpacking posture is one of the important factors leading to health hazards. In order to load the weight of the backpack or keep the bag from sliding, when carrying a single backpack for a long time, one side of the shoulder is often raised unconsciously, and the neck is also unconsciously inclined to the other side, which will cause the shoulder muscle contraction and tension, Invisible will cause shoulder muscle strain, a short time will appear shoulder back pain and other problems.
Heavy backpack is also harmful: in addition to the backpack posture, the weight of the bag on the human body can not be ignored. Mobile phones, computers, books... Now people's backpacks are loaded with too many items, plus a beautiful appearance of the bag, its own weight is not small, these virtually increase the burden of the spine. In fact, backpack weight damage to health, is nothing new.
Leisure bag manufacturers and wholesalers introduce that the hand bag oppresses the arm nerve: even if the hand bag is hung on the forearm or carried in the hand, it will also oppress the arm on one side of the bag. If the hand is not changed at the right time, it will oppress the nerve, resulting in poor blood circulation and pain.
