Frequently used buttons should be close together and there should be a minimum of movement. Kawaja explains that injuries related to keyboards, mice and joysticks most commonly occur in activities that tax small muscles not designed for constant, repetitious work. Big muscles are best suited for the sort of workout videogaming causes. Unfortunately, there' s no efficient way to make use of these bigger muscles when typing or gaming. And so the best alternative is to reduce the stress we inflict on bodies by going for something comfortable.
Sharp edges create mechanical stress with soft tissue.
Kawaja also suggests gamers avoid controllers with thick handles that are difficult to wrap your hands around. Round and narrow controllers are better. Kathy is referring to the cheaper joysticks from companies like Gravis. The difference in response is minimal, but digital joysticks seem to work more smoothly in a Windows environment. You want it to be in a primary location like where your keyboard usually sits.