The muscles of overweight people must support a greater load. Overweight people have to work harder to hold their forearms up to the keyboard. If you are out of shape, your muscles do not work at an optimum level, so some muscles have to work harder than others. Typing should work your back, shoulders, arms and hands, not just the forearms and fingers. Women Women are more at risk than men.
Females tend to work at jobs that put repetitive strain on their wrists.
They also tend to have weaker muscles. In addition, some doctors say that pregnancy, menopause, and taking oral contraceptives or post-hysterectomy hormone supplements may increase susceptibility. Also, most workstations are designed to fit the needs of the average male, and women may be unable to adjust these arrangements. The longer a person has been at his or her job, the more stress may have built up, and the more bad posture may have been reinforced.