The cause of RSI is bad blood flow in your arm (starting at your neck). So you have to figure out why blood flow is bad. And this might be different from perso

The cause of RSI is bad blood flow in your arm (starting at your neck). So you have to figure out why blood flow is bad. And this might be different from person to person. Some personal experiences: * Bad posture. * Stress causing neck muscles to block blood flow. * Working too long.