The right way to backpack, how to chose bags

In addition to increasing handbags, handbags are becoming increasingly long tape, the ultra-long ribbon to make a lot of people are also the neck, shoulders and back, health problems arise. In this regard, the experts recommended that women handbags like Canada, if it can not "burden", it must adopt the correct way backpack.
A, to keep the body straight, head and shoulders so that the basic "Integrity"
B, can hold weights in the chest, shoulders or back pack, so that the weight of the spine close to a balanced force
D, if there is only one carry bags heavier, the best two hands alternately carry
E, son of a long strap package, it is advisable to pack on the abdomen, rather than on both sides of the