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ERIC Number: EJ990329
Record Type: Journal
Publication Date: 2012-Dec
Pages: 7
Abstractor: As Provided
Reference Count: 31
ISBN: N/A
ISSN: ISSN-0270-1367
Heart Rate Variability: Effect of Exercise Intensity on Postexercise Response
James, David V. B.; Munson, Steven C.; Maldonado-Martin, Sara; De Ste Croix, Mark B. A.
Research Quarterly for Exercise and Sport, v83 n4 p533-539 Dec 2012
The purpose of the present study was to investigate the influence of two exercise intensities (moderate and severe) on heart rate variability (HRV) response in 16 runners 1 hr prior to (-1 hr) and at +1 hr, +24 hr, +48 hr, and +72 hr following each exercise session. Time domain indexes and a high frequency component showed a significant decrease (p less than 0.001) between -1 hr and +1 hr for severe intensity. The low frequency component in normalized units significantly increased (p less than 0.01) for severe intensity at +1 hr. Only severe exercise elicited a change in HRV outcomes postexercise, resulting in a reduction in the parasympathetic influence on the heart at +1 hr; however, values returned to baseline levels by +24 hr. (Contains 2 tables and 1 figure.)
American Alliance for Health, Physical Education, Recreation and Dance. 1900 Association Drive, Reston, VA 20191. Tel: 800-213-7193; Fax: 703-476-9527; e-mail: info@aahperd.org; Web site: http://www.aahperd.org
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A