comparisonofthe counting talk testand heart rate reserve（你comparisonofthe counting标题会testand reserve大）.doc

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comparisonofthe counting talk testand heart rate reserve（你comparisonofthe counting标题会testand reserve大）.doc

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JEPonline Journal of Exercise Physiologyonline Official Journal of The American Society of Exercise Physiologists (ASEP) ISSN 1097-9751 An International Electronic Journal Volume 5 Number 1 February 2002 Fitness and Training COMPARISON OF THE COUNTING TALK TEST AND HEART RATE RESERVE METHODS FOR ESTIMATING EXERCISE INTENSITY IN HEALTHY YOUNG ADULTS JOSEPH F. NORMAN, JOANN KRACL, DARRICK PARKER, AND ANGIE RICHTER Division of Physical Therapy Education, University of Nebraska Medical, Center, Omaha, NE ABSTRACT COMPARISON OF THE COUNTING TALK TEST AND HEART RATE RESERVE METHODS FOR ESTIMATING EXERCISE INTENSITY IN HEALTHY YOUNG ADULTS. Joseph F. Norman, JoAnn Kracl, Darrick Parker, Angie Richter. JEPonline. 2001;4(4):15-22. The purpose of this investigation was to compare the Counting Talk Test (CTT) method to the Heart Rate Reserve (HRR) method for estimating exercise intensity. Thirty-four healthy individuals (21 F and 13 M) aged 20-31 years old participated in two separate treadmill trials. During the first trial subjects walked/jogged on a treadmill at 50%, 60%, 75% and 85% of their HRR. Blood pressure (BP), heart rate (HR), CTT score and rating of perceived exertion (RPE) were obtained at each workload. During the second trial subjects again walked/jogged on the treadmill at four different intensities based on the CTT values obtained during the first trial. BP, HR, and RPE were recorded. Two-way repeated measures ANOVA were used to compare variables. Moderate Pearson correlations (r) were found between the CTT and HRR, RPE and MET level, and that exercising at 30%-55% of the resting CTT value corresponded to the American College of Sports Medicine recommendations for moderate to vigorous exercise intensity. Strong correlations were found between the two treadmill trials for; 1) %HRR (r= 0.90), 2) RPE (r= 0.83), and 3) MET levels (r= 0.88). Comparing the CTT method to the HRR method, the CTT appears to be a reasonable means of estimating