Laryngeal motion abnormality

A motion abnormality of larynx is defined as

i.                    any increase or decrease in vocal fold adductory mobility, abductory mobility, or longitudinal stretch of the vocal folds;

ii.                  asymmetry in vocal fold adduction, abduction, or longitudinal stretch of the vocal folds;

iii.                spontaneous laryngeal activity;

iv.                involuntary laryngeal activity;

v.                  laryngeal dysdiadokinesis;

vi.                laryngeal bradykinesia;

vii.              laryngeal rigidity;

viii.            laryngeal dysmetria.