These are graphs of data that was collected for the MedX seated dip weight stack system early this year for friction measurement. Both graph the same data. One graph is zoomed in on the data. At the start of ROM the MedX seated dip stack has very low friction. At the end of ROM it peaks at a bit less than 2 percent. This was really the start of Project X. Project X will do this type of measurement while a person is training so we will know if the machine is functioning properly or not at all times. Unlike so many other force graphs out there these are by angle, not by time. The orange is the positive, the grey the negative. The difference between the orange line and grey line is the amount of force difference caused by friction.
ORIGINS OF PROJECT X
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