Core Tip: office workers, in particular, love to play games,and as they play the computer in the day to work and play the games at night, we much take care to become "mouse hand" family ," mouse hand "What are the symptoms, how to prevent it, HE ergonomic vertical mouse for your Weapon! The the left and right buttons of the mouse we using now is parallel with desktop, when we operation this mouse, wrist dorsiflexion angle to the palm side of the contact with the desktop backlog, the carpal tunnel pressure increases, long-term repeated extrusion friction, so that the neural and vascular injury, and to produce the corresponding symptoms.
The the left and right buttons of the mouse we using now is parallel with desktop, when we operation this mouse, wrist dorsiflexion angle to the palm side of the contact with the desktop backlog, the carpal tunnel pressure increases, long-term repeated extrusion friction, so that the neural and vascular injury, and to produce the corresponding symptoms.
Not just the wrist, as the shoulder will be has some abduction and forearm rotation distortions when we use the mouse, so it will lead to a neck and arm fatigue. Keyboard and mouse have a certain height, the wrist must dorsiflexion certain angle, the wrist is a long time in a state of tension, oppression of nerves and blood vessels in the carpal tunnel, the nerve conduction is blocked and the blood supply is blocked, resulting in the feel of the palm. The movement occurs obstacles.
Common symptoms of the "mouse hand"
Mainly hand the gradual emergence of numbness, burning, increased at night, often in a dream, wake up pain. Many patients will be accompanied by swelling of the wrist and hand movements are not flexible, weakness and other symptoms.
Common parts and symptoms: palms, fingers, wrist, forearm and elbow stiffness, soreness, discomfort; hand tingling, numbness, cold; grip strength and hand parts work together reduced ability; night pain; pain can be persistent to arms, upper back, shoulders and neck.
The nine pints precautions to prevent the mouse hand
1, the keyboard should be placed in front of a central location in the body, to avoid the keyboard oblique pendulum elbow flat on one side, near the height of the keyboard or mouse, can prevent carpal tunnel under excessive traction; the best selection of the larger arc of contact surface than wide, helps to force dispersion mouse;
2, the wrist as far as possible flat posture operating keyboard, neither bending nor drooping; facing typing keyboard, otherwise easily lead to over-strained wrist;
Elbow angle should be greater than 90 degrees, to avoid median nerve compression in the elbow;
4, forearms and elbows should be close to your body, and relax as much as possible, in order to avoid using the mouse body to lean forward;
5 to ensure that the wrist straight when using the mouse, the arm will not suspended, move the mouse to make full use of the arm, and avoid the use of brawn. Sitting upright and best use of the back pad, shall sit on a hard chair back close to the back of a chair, feet should be flat on the ground or floor mats;
Screen placed in front of the body height is appropriate in order to move up and down the head, sit still, eyes on the screen in parallel straight, moderate brightness of the display;
Operate the mouse for 30 minutes, that should be a short break. Work during the regular stretching and relaxation operator can slowly bend wrist repeatedly done 10 seconds per hour; fist activities continued to do 10 seconds per hour;
Sitting chest, do not Hanxiong hump back close to the best in the back of a chair. Do not cross your legs or qiaoerlangtui, in order to avoid the blood circulation is blocked, affecting the local blood supply;
9 tips, shortcuts, right-hand man to replace the use of the mouse, change, etc. is also expedient to use a flexible light mouse, notebook and desktop.
Daily simple hand movements to prevent the mouse hand
The first one:
The wrist extensor movements - left hand, palm outward, fingers upward. Right hand holding four fingers of his left hand, then backward force. Keep breathing, and maintain for 30 seconds. For the right hand is doing. Repeat 2-3 times.
Wrist flexor action - left hand, palm inward, fingers down. Back right hand in his left hand, and then inward force. Keep breathing, and maintain for 30 seconds. For the right hand is doing. Repeat 2-3 times.
The second measure: arm stretch
Stretched out his arms, and shoulders level, then cross the right-hand man closely, clenched fingers. Inhale, arms extended upward, to maintain the position for 15-20 seconds. Extended upward, keeping arms and ear, elbow kicking straight.
Efficacy: to enhance the flexibility of the wrist, stretch on the back and on the chest to reduce shoulder soreness.
The third measure: wrist rotation
Stretch your arms, shook his fist, the axis of the arm, inward rotation fist, continuous rotation of 15-20 seconds. When finished, the opposite direction to do it again. Shoulders and arms stable.
Efficacy: relax wrist muscles, the wrists remain flexible and relaxation of the brachial plexus.