Specification

This fashion backpacks bags for men design for younger men is more popular for going after the fashion. Personalized younger always chase for freedom,novelty and personality. Even a backpack bag for outdoor sports,the bags fashion is necessary, then its asks the design should be good and attractive enough, front fold design make its feeling more designing and fashion that younger more favorite it. Its a good option backpack for younger.

The fashion backpack bags design with comfortable PE foam to comfort the body and make the backpack more light. Updating back foam support to make our travel easy and relax. Special bags design for body to make the all weight on dorsal not waist, to relieve the pressure of shoulder. Its good to solve the tire feeling for long time carrying.

Reasonable storage construction to make the bags for men with max volume. Visible mesh bag with zipper on front panel for something which frequently-used, main room for something what needed in life.

Special design for laptop, max 14", inside foam to protect laptop. Its more convenient for checking-in at airport, or doing some business at coffee shop, only seconds, not need to take off the backpack bags, its simple and gentility.

The harm of long time carrying on the back

1. Neck muscle overuse injuries

The first harm is the muscle of shoulder and neck when backpacking, as the body need to raise the shoulder to against the falling down backpack, this behaviour make the trapezius muscle and levator scapulae shrink together, and the backpack strap press on the trapezius muscle, its easy to cause the overuse injuries, ischemia, pain if long time or overload.

2. Lopsidedness shoulders

As one shoulder need to bear the pressure and raise the shoulder automatically when have bag on your shoulder, sometimes maybe raise more to avoid the bag falling down. Its cause the ugly lopsidedness shoulders for a long time after.

3. Shoulders' musculartone

Our body just like a balance, the spine easy to incline to the side which weight. In order to make the spinal balance, another side muscle is tension, that means one side loose and another tension. For a long time, the tension muscle may appear some aseptic inflammation, like muscle rthritis will cause the spine dislocation. If you are often to back bag on one single shoulder, then single tension may change the spinal biomechanics by year in year out and make scoliosis.

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