BMECH_COP_COM_INCLINATION compute the angle between the COP and COM in the antero-posterior and medio-lateral diretion with respect to the global vertical ARGUMENTS data ... struct, loaded zoo file ch_COM ... str, name of center of mass channel. Default CentreOfMass ch_COP ... str, name of center of pressure channel. default COP. RETURNS data ... struct, with cop-com inclination angle appended. see Lee HJ, Chou LS. Detection of gait instability using the center of mass and center of pressure inclination angles. Arch Phys Med Rehabil 2006;87:569–75. https://doi.org/10.1016/j.apmr.2005.11.033 see also cbmech_op_com_inclination, cop_com_inclinaton