臺灣博碩士論文加值系統

摘要

目的：探討走樓梯活動中 VO2 (oxygen uptake) 與 HR (heart rate) 的相關性，進一步推算與走樓梯速度 speed (step�沸in-1) 相對應的 VO2 與 HR 反應，及換算成相對強度 (HRmax, VO2max, HRreserve (HRR), VO2reserve (VO2R)) 間的關係。方法：33 名男性受試者 (18–49 y)，參與 3 項主要測量：(1) 漸進負荷最大跑步機運動測試、(2) 安靜狀態之測試、與(3) 6 種速度 (50, 60, 70, 80, 90, 100 step�沸in-1) 走上與走下樓梯活動之測試。各項測試均以 Douglas 袋方法測量 VO2，並監測記錄 HR。將走樓梯活動的心肺反應換算成最大或儲備相對運動強度百分比，分析 VO2–HR, VO2–speed, HR–speed, %VO2max–%HRmax, %VO2R–%HRR 之間的迴歸相關性。結果：上樓活動 VO2–HR 與 VO2–speed 的相關係數 (r) 依序為 0.745 與 0.978，明顯高於下樓活動時的相關性。上樓活動儲備相對強度的迴歸公式為：%VO2R = 0.711 × %HRR + 16.44 (r2 = 0.761, SEE = 6.28 %)。下樓活動的心肺反應所換算的相對強度過低，未達 ACSM 對體能弱者的建議範圍。結論：由於運動模式的特殊性，上樓活動中 %VO2R–%HRR 並非理想的線性關係 (斜率 1，截距 0)，當速度愈快，上樓活動對心血管循環的壓力愈大，反應在 HR 的變化會大於 VO2 的變化，若以 ACSM 的建議範圍 60–80 %VO2R 為依據設計走樓梯的運動處方，可能會低估了實際 HR 的反應。因此若以走上樓梯作為運動模式，則強度的設定需更為謹慎。

Abstract

Purpose : This study investigates the relationship between oxygen uptake (VO2) and heart rate (HR) responses, as well as between speed and cardio-respiratory responses during stair-climbing activities. Methods : Thirty-three healthy male volunteers (18–49 yr) performed 3 major cardio-respiratory tests: (1) incremental maximal treadmill test, (2) resting position metabolic test, and (3) 6 speeds (50, 60, 70, 80, 90, 100 step�沸in-1) of ascent and descent tests. VO2 was measured for all tests by using Douglas bag technique. HR was measured through whole process of tests. All cardio-respiratory data from stair-climbing was converted to percentage of either maxima or reserve values. Regression analyses were performed for VO2 vs. HR, VO2 vs. speed, HR vs. speed, %VO2max vs. %HRmax, and %VO2reserve (%VO2R) vs. %HRreserve (%HRR). Results : In ascent trial, the correlation coefficient (r) of VO2–HR and VO2–speed (0.745 and 0.978, respectively) were significantly higher than which in descent trial, even the correlations were significant. In ascent trial, the regression equations of relative intensity were: %VO2R = 0.711 × %HRR + 16.44 (r2 = 0.761, SEE = 6.28 %). In descent trial, the relative intensities were too low to meet ACSM’s lowest recommendation. Conclusion : In ascent trial, the regression of %VO2R–%HRR is not the line of identity (i.e., slope of 1 and intercept of 0). The faster the ascending speed, the more stress the cardiovascular on. It will underestimate the HR response, when using ACSM’s recommendation of 60–80 %VO2R for ascent program. It should be more considerable when prescribing ascent as exercise mode.

中文摘要••••••••••••••••••••••••••• i
英文摘要••••••••••••••••••••••••••• iii
目錄••••••••••••••••••••••••••••• v
表目錄••••••••••••••••••••••••••• viii
圖目錄•••••••••••••••••••••••••••• ix
中、英文名詞對照暨縮寫表••••••••••••••••••• xi
專門名詞釋義 •••••••••••••••••••••••• xiii
誌謝••••••••••••••••••••••••••••• xi
第壹章 緒論••••••••••••••••••••••••• 1
一、研究背景••••••••••••••••••••••• 1
二、研究問題與理由•••••••••••••••••••• 3
三、研究目的••••••••••••••••••••••• 4
四、研究假設••••••••••••••••••••••• 5
五、研究範圍••••••••••••••••••••••• 5
六、研究限制••••••••••••••••••••••• 5
七、研究的意義與貢獻••••••••••••••••••• 5
第貳章 文獻探討••••••••••••••••••••••• 7
一、心跳率與攝氧率之間的相對應關係•••••••••••• 7
(一) VO2 與 HR 的相對應關係•••••••••••••• 7
(二) VO2 與 HR 在設定運動強度上的應用••••••••• 8
二、不同運動模式的心肺反應••••••••••••••• 10
(一) VO2 與運動的特殊性••••••••••••••• 10
(二) 不同運動模式下 HR–VO2 的相關性••••••••• 12
三、電動登階機的運動效果•••••••••••••••• 12
四、走樓梯活動在心肺反應的變化••••••••••••• 13
(一) 不同強度變量對走樓梯活動的心肺反應••••••• 13
(二) 自選走樓梯速度的心肺反應與相對強度••••••• 16
(三) 不同走樓梯速度的心肺反應與相對強度••••••• 17
第參章 研究方法••••••••••••••••••••••• 19
一、受試對象•••••••••••••••••••••• 19
二、研究過程•••••••••••••••••••••• 19
三、測量方法•••••••••••••••••••••• 21
(一) 最大心肺反應測試 (VO2max 及 HRmax)•••••••• 21
(二) 安靜狀態的心肺反應測試 (VO2rest 及 HRrest)••••• 22
(三) 不同速度上下樓梯的心肺反應測試••••••••• 23
1. 走上、下樓梯預試實驗•••••••••••• 23
2. 走上、下樓梯正式實驗•••••••••••• 27
(四) VO2 的收集、測量與分析••••••••••••• 28
(五) HR 的測量與紀錄••••••••••••••••• 29
四、資料處理•••••••••••••••••••••• 29
五、統計方法•••••••••••••••••••••• 29
第肆章 結果••••••••••••••••••••••••• 31
一、走樓梯活動各速度的心肺反應與相對強度的變化••••• 31
二、走樓梯活動攝氧率 (VO2)、心跳率 (HR) 及速度(speed)
間的迴歸相關性•••••••••••••••••• 36
(一) 走上樓梯活動的心肺反應與速度間的迴歸相關性••• 36
(二) 走下樓梯活動的心肺反應與速度間的迴歸相關性••• 40
三、 走樓梯活動中各相對強度間的迴歸相關性••••••• 45
(一) 走上樓梯活動中各相對強度間的迴歸相關性
(%VO2max vs. %HRmax, %VO2R vs. %HRR)••••• 45
(二) 走下樓梯活動中各相對強度間的迴歸相關性
(%VO2max vs. %HRmax, %VO2R vs. %HRR)••••• 47
第伍章 討論••••••••••••••••••••••••• 49
一、 不同速度的走樓梯活動與其心肺反應間的關係••••• 49
(一) 上樓活動的速度與心肺反應間的相關性••••••• 49
(二) 下樓活動的速度與心肺反應間的相關性••••••• 51
二、 走樓梯活動的 %VO2max 與 %HRmax 之間、%VO2R 與
%HRR 之間的迴歸相關性•••••••••••••• 51
(一) 上樓活動 %VO2max 與 %HRmax 之間的迴歸相關性••• 51
(二) 上樓活動 %VO2R 與 %HRR 之間的迴歸相關性•••• 54
(三) 下樓活動 %VO2max 與 %HRmax 之間、%VO2R 與
%HRR 之間的迴歸相關性•••••••••••• 59
三、 下樓活動與上樓活動作工量比例的變化•••••••• 59
四、 各速度走樓梯活動的心肺反應所換算出的相對強度 (%VO2max, %HRmax, %VO2R, %HRR) 對應 ACSM 的建議範圍•••• 61
(一) 上樓活動各速度的 %VO2max 與 %HRmax，對應
ACSM 的建議範圍•••••••••••••••• 61
(二) 上樓活動各速度的 %VO2R 與 %HRR，對應
ACSM 的建議範圍••••••••••••••• 63
(三) 上樓活動各速度與 ACSM 強度建議範圍的對應關係• 65
(四) 下樓活動的相對強度均未達 ACSM 建議範圍•••• 66
第陸章 結論•••••••••••••••••••••••• 69
第柒章 建議•••••••••••••••••••••••• 71
參考文獻•••••••••••••••••••••••••• 73
附錄 A 研究說明與解釋•••••••••••••••••••• 77
附錄 B 實驗告知後同意書••••••••••••••••••• 79
附錄 C 預試實驗••••••••••••••••••••••• 81

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