It has been shown in previous work that biomechanical parameters related to the cord body dynamics can be indirectly estimated from the power spectral density of the mucosal wave correlate. In the present study the use of these measurements to estimate the presence of parameter unbalance will be shown. The role of these parameters together with the classical distortion ones in relation to pathology detection and classification will be explored. Results using normophonic as well as pathologic voice will be presented and discussed.