The picture below illustrates the general "phases" of the sine wave motion during execution of technique in a walking stance. The reference to the "step length" should be considered as general guidance and not verbatim.
Figure 1: Sine Wave Illustration
The remainder of this article is a reproduction of work detailed by Master Paul McPhail ( http://www.itkd.co.nz/reference/documents/technical/sine_wave_study.php ).
Members are encouraged to log-in to view this content within the Resource Center Library.