A wearable monitoring system and associated method that is configured to (i) determine three dimensional displacement of the spine of a subject's chest wall with respect to the subject's spine, (ii) process the three dimensional anatomical data, (iii) determine at least one respiratory parameter associated with the monitored subject and value thereof as a function of the three dimensional anatomical data, and (iv) determine a respiratory disorder as a function of the determined respiratory parameter and value thereof.
