背包負重位置與坡度對於登山客之效應

Backpack load positioning and walking surface slope effects on physiological responses in climbers

10.6848/JWL.201803_5(2).0002

吳水丕(Swei-Pi Wu)；廖銘祥(Ming-Hsiang Liao)；蘇顯廷(Hsien-Ting Su)；陳建瑋(Chien-Wei Chen)

登山健行 ； 負重位置 ； 坡度 ； 背包 ； hiking ； load positioning ； slope ； backpack.

工作與休閒學刊

5卷2期（2018 / 03 / 01）

123 - 133

繁體中文

本研究旨在探討在不同的坡度下，負重位置對於攜物者生理成本的影響有八位男性受試者參與實驗，自變項為背包負重位置（上，中，下）和坡度（上坡，下坡與平地），依變項為心博率(HR)和主觀施力知覺評量(RPE)，每位受試者攜帶的重量為8 公斤，並以隨機化的順序進行9 種組合的實驗，資料經收集分析後，發現負重位置對於心搏率無顯著效應，但對於肩膀RPE 和全身RPE 有顯著效應。坡度對於所有依變項均有顯著效應。身體各部位以小腿RPE 最累，其次為肩膀RPE，而以手臂最輕鬆。整體而言，本研究發現在上坡時以負重位置在中間者最輕鬆，而以負重位置在上時最累；而在平地行走時，以負重位置在中和下最佳；至於在下坡行走時，以負重位置在中最輕鬆，其次為負重位置在下，而以負重位置在上最累。

This study explores the effects of backpack load positions and walking surface slopes on physiological costs of climbers. A total of 8 male subjects participated in these experiments. The independent variables were load position (upper, middle and lower) and slope (uphill, downhill and flat). The measurements criteria were the heart rate (HR) and rating of perceived exertion (RPE). Each subject carried an 8 kg backpack in a random order of nine experimental combinations. The results showed that the backpack load position has no significant effects on HR, but had significant effects on shoulder RPE and whole body RPE. The slope has significant effects on all dependent variables. For the body parts, the legs RPE were the greatest, followed by the shoulders RPE, and the arms RPE as the most relaxed. This study found that the load position in the middle of the backpack was the most comfortable, while the upper was the most exhaustive while moving uphill. The middle and lower load positions were the best while walking on a flat surface. The middle load position was the most comfortable, followed by the lower, with the upper position the most exhaustive while moving downhill.

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