目的:探討以不同強度(80%、65%與50%)之心跳率控制(heart rate control， HRC)測驗與心跳控制強度變異指標(intensity variance by heart rate control， IV HRc)應用於划船測功儀之信效度，並建立預測運動表現的迴歸模 式。方法:以划船選手16名(男性7名、女性9名，年齡18.9土2.08歲、身高167.7土7.83公分、體重63.1土8.16公斤與訓練經歷4.8土2.08年)為對象，受試者分別接受划船測功儀上的漸增負荷測驗、2000公尺衝刺測驗。OOOmax)以及80%、65%與50%最大心跳率(HRmax=220-年齡)之2000公尺HRC測驗各兩次，同時分別記錄每500公尺所完成的時間獲得IVHRc進行分析。結果:信度分析結果顯示，不同強度之HRC時間與IVHRc皆有相當高的再測信度(ICC= .89� .98， P < .05) ，且兩次測驗結果並無差異。同時效度分析顯示不同強度HRC運動時間與2000max(r = .81� .冊，p < .05)、V02m缸(r = - . 76�- .85， P < .05)、Wpeak (r = - .80�- .85， P < .05)皆達顯著相關;不同強度IVHRc與2000max (r = - .82�- .87， p < .05)、V02m缸(r = .72� .81， P < .05)、 Wpeak (r = .80� .84， p < .05)亦有顯著相關。進一步簡單與逐步多元迴歸分析 顯示，不同強度HRC具有良好的預測技度(R2= .63�.駒，p < .05) ，且80%HRC結合刊% IVHRc為預測2000公尺運動表現的最佳模式(R2 =阱，p< .05) 0結論: HRC與IVHRc於划船測功儀運動具良好的信效度，可應用於划船運動強度監控與預測運動表現。

Purpose: to evaluate the validity and reliability of heart rate control (HRC) at 80%， 65%， 50% age-predicted HRmax and intensity variance index (IVHRC)index， as well as optimal predictive model on rowing ergometer. Methods: Sixteen rowers (7males and 9 females， 18.9土2.08 yrs， height: 167.7士7.83cm， weight: 63.1士8.l6kg) were recruited to participate in an incremental test (V02max and W p叫obtained)， and a 2000m performance test (2000max). In addition， 2 trials of 2000m rowing at 80%， 65%， 50% HRmax at least 24hrs apart were also performed， and time to 500m， 1000m， l500m and 2000m were recorded to obtain HRC index. Results: Intrac1ass correlation coefficient (ICC)analysis showed that HRC and IVHRc at different intensity ofHRmax have high test-retest reliability (ICC= 0.89�0.99， p < .05)， and there was no significant difference between 2 HRC trials. HRC at different intensities of HRmax in 2000m rowing trials showed significant correlation with 2000max (r = .81 � .90， p < .05)， V02max (r = - .76�- .85， p < .05) and Wpeak (r = - .80� - .85， P < .05). Moreover， IV HRC at different intensities of HRmax were also correlated with 2000max (r = - .82� 。.冊，P <0.05)， V02max (r = .72� .81， P < .05) and Wpeak (r = .80� .84， P < .05); All of which showed both HRC and IVHRc have good concurrent validity. Simple linear and stepwise regression analysis indicated that HRC and IV HRC also have high predictive validity (R2 = 0.63�0.89， p< .05) in 2000max assessment. Conclusion: HRC and IV HRC indices were valid and reliable in applying on rowing exercise， which can be applied in monitoring exercise intensity and predicting performance on rowing exercIse.