Acute effects of tai chi exercise on cardiac autonomic function in healthy adults with tai chi experience. Author: Kalsaria P, Li H, Waite GN, Moga MM, Kingsley DJ, Geib RW. Affiliation: Indiana University School of Medicine. Conference/Journal: Biomed Sci Instrum. Date published: 2012 Other: Volume ID: 48 , Pages: 226-31 , Word Count: 44 About 1 in 3 American adults have cardiovascular disease associated with risk factors such as physical inactivity, obesity, and stress. Heart rate variability (HRV) analysis is considered a non-invasive procedure for analyzing cardiovascular autonomic influence. Depressed HRV has been linked to abnormal cardiovascular autonomic modulation. PMID: 22846287