A sample C3D file containing EMG data created by the Mega Electronics comapny product MegaWin
containing an isokinetic measurement with two channels of EMG, knee angle and torque.

03/11/2013  08:54 AM           602,112 Mega Electronics Isokinetic EMG Angle Torque Sample File.c3d

An odd but valid POINT:RATE value of 1 (sample per second) which results in a very high
ANALOG:RATE value of 1250.  This is unusual but valid.
