Sorry, I'm pretty new to this stuff, so I'm not quite sure yet, but I would just like to be able to distinguish an acceleration signal without too much noise. I'm not sure if that helps at all. I was thinking something like Analog Devices' ADXL335. Do you think that would work? At this point I would just like to use the accelerometer for testing purposes to get a feel for how triaxial acceleration signals should look like, using my own movements (and not impaired movements).