20+ years of mouse+keyboarding and [touch wood] no RSI for me.<br><br>I think the R in RSI has to be taken in conjunction with the S in order to lead to any I. :)<div><br></div><div>I am sure you could get RSI from using a trackpad (or any other tool/device) if you used it repetitively and frequently in a way that caused harmful stress.</div>
<div><br></div><div>Just my 0.02. ymmv :)</div>