Stability Index Formula and Description.

Note: Under ideal conditions, all sensory systems work in concert therefore some redundancy exists. COP in conditions of increasing difficulty are measured. To determine the Stability Index, the visual and/or somatosensory systems are experimentally disrupted to derive the relative contribution of each system, however, the vestibular system is never experimentally disrupted. This protocol has been validated and has been used consistently for clinical assessment.Stability Index Formula and Description.