HE ergonomic mouse Experts found
For 2 hours a day to 6 hours handheld computer mouse or playing computer games, there will be varying degrees of wrist injury. If you feel numbness in the palm of your hand, the index finger cramp easily drag the mouse, swelling of the wrist and hand movements is not flexible or even weakness in the operation of the computer, there may have been the intrusion of carpal tunnel syndrome. Often due to chronic excessive activity of the wrist and fingers caused wrist numbness or wrist distorted, shoulder pain and other disease, the most typical is known as carpal tunnel syndrome "mouse hand".
The carpal tunnel is surrounded by the transverse carpal ligament and the carpal ditch fibrous tunnel, protect the median nerve of the wrist. General the activities of the wrist under normal circumstances will not hinder the median nerve. But when we operate a computer keyboard and mouse have a certain height ,and the wrist must dorsiflexion an angle, the wrist is in a forced position, not naturally stretch. Wrist for a long time in a state of tension, compression of the median nerve in the carpal tunnel, the nerve conduction is blocked, resulting in the feeling and movement of the palm of your hand, so there will be obstacles to those symptoms mentioned above.
HE ergonomic mouse experts:
1, the prevention of the "mouse hand", the key is to try to avoid the upper extremity is fixed for a long time, the work of state machinery frequent activities.
2, when holding the mouse, each hour of work necessary to get up activities limb, do some finger movements fist, pinch refers to relax.
3, using the computer, the height of the keyboard and mouse, preferably below elbow height when sitting, this will help to reduce the operation of the computer when parts of the low back and neck muscles and hand tendon sheath injury.
4, using the mouse, the arm will not suspended, in order to alleviate the pressure of the wrist, do not move the mouse wrist and try to rely on arm strength do to reduce wrist stress.
5, Don’t too hard to press the keys of the keyboard and mouse.
6, We’d better select a big arc, contact wide mouse such will good at power dispersion.
7, the study found that, wrist remain at 0 degrees, may be in a state of the Natural Stretch At this time, the operator feel the most comfortable, wrist incidence of symptoms is also the lowest. So it could be prevent the wrist injury.