Cover

Tai Chi Chuan

State of the Art in International Research

Editor(s): Hong Y. (Hong Kong) 
Table of Contents
Vol. 52, No. , 2008
Section title: Paper
Hong Y (ed): Tai Chi Chuan. State of the Art in International Research. Med Sport Sci. Basel, Karger, 2008, vol 52, pp 12-19
(DOI:10.1159/000134225)

The Exercise Intensity of Tai Chi Chuan

Lan C. · Chen S. · Lai J.
Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital and National Taiwan University, College of Medicine, Taipei, Taiwan

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Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: 5/19/2008
Cover Date: 2008

Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 0

ISBN: 978-3-8055-8489-0 (Print)
eISBN: 978-3-8055-8490-6 (Online)

Abstract

Tai Chi Chuan (TC) is a Chinese conditioning exercise and is well-known for its graceful movement. The exercise intensity of TC depends on its training style, posture and duration. Variation in training approaches result in substantial differences in exercise intensity. We have measured heart rate (HR) and oxygen uptake (VO2) simultaneously during classical Yang TC practice in 15 male subjects, their heart rate (HR) during TC practice was 58% of the heart rate reserve (HRR), and oxygen uptake (VO2) was 55% of the peak oxygen uptake (VO2peak). The level of blood lactate immediately after TC practice was 3.8mM, which reflected the level of lactate during TC approximated the onset of blood lactate accumulation (OBLA). In order to evaluate the relative exercise intensity of classical Yang TC, we measured HR responses during TC practice in 100 subjects with age of 25-80 yrs (M/F: 54/46). They were separated into three groups: young (25-44 y/o), middle-aged (45-64 y/o) and elderly (65-80 y/o). During the TC practice, the mean HR of men was 141 ± 12, 132 ± 9 and 120 ± 10 bpm in the young, middle-aged and elderly groups, respectively. Meanwhile, the mean HR of women was 136 ± 10, 126 ± 11 and 115 ± 12 bpm in the young, middle-aged and elderly groups, respectively. Men practiced TC with mean HR corresponding to 57.8 ± 3.7, 56.6 ± 3.4 and 55.1 ± 3.1% of heart rate reserve (HRR) in the three groups; while that of women corresponding to 52.7 ± 2.8, 51.5 ± 2.6, and 50.3 ± 2.9% of HRR in the three age groups. The results demonstrate that classical Yang TC is an exercise with moderate intensity, and its exercise intensity is similar across different ages in each gender.


Article / Publication Details

First-Page Preview
Abstract of Paper

Published online: 5/19/2008
Cover Date: 2008

Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 0

ISBN: 978-3-8055-8489-0 (Print)
eISBN: 978-3-8055-8490-6 (Online)


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Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher or, in the case of photocopying, direct payment of a specified fee to the Copyright Clearance Center.
Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in goverment regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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