不同佩戴位置之三軸加速規於登階運動時的能量消耗預估

Tri-axial Accelerometer Attached at Different Locations during Stepping Exercise

劉又慈(Yu-Tzu Liu) ； 傳麗蘭(Li-Lan Fu) ； 陳亮伃(Liang-Yu Chen)

《國立體育學院論叢》 17卷2期 (2006/06) Pp. 80-91

https://doi.org/10.6591/JPES.2006.06.07

摘要

Background: Because the location must at near mess center, Tri-axial accelerometer (RT3) introduces error in exercise focusing on upper and lower extremities. Study about RT3 used in different form exercise is few, and the different location of RT3 attachment during stepping exercise is unclear. Purpose: To investigate die correlation between RT3 worn at different locations and indirect calorimetery during stepping exercise. Method: Eleven healthy subjects were recruited to participate in tins study. All subjects were randomly assigned to 2 conditions (35 cm step height combined with rate 48, 72, 96 steps/mill and 72 steps/mill step rate combined with 30, 35, 40 cm step height). Each exercise lasted for 3 minutes and there were 3 minutes rest time in between. Before each test, RT3 were worn at three locations (anterior superior iliac spines, fibular head, above the Achilles tendon) on all subject. RT3 and indirect calormietry were “used simultaneously to record the data. Result: The laiee-wom RT3 vector magnitude vs. indirect calorimetry are both highly correlated (r=0.688, p＜.01, r=0.427, p＜.01) in changing stepping rate or height. The stability was poor of accelerometer recorded by hip-and ankle-worn RT3 (percentage of predicted energy consumption is 62.62~76.77% and 181.l2~880.37% for each). Conclusions: Knee-worn RT3 increase the feasibility of RT3 to accurately estimate energy expenditure during stepping exercise. Knee is considered the best location than hip-or ankle-worn RT3 to estimate energy expenditure during stepping exercise.

關鍵字

三度空間加速規 ； 登階運動 ； 能量消耗

並列摘要

Background: Because the location must at near mess center, Tri-axial accelerometer (RT3) introduces error in exercise focusing on upper and lower extremities. Study about RT3 used in different form exercise is few, and the different location of RT3 attachment during stepping exercise is unclear. Purpose: To investigate die correlation between RT3 worn at different locations and indirect calorimetery during stepping exercise. Method: Eleven healthy subjects were recruited to participate in tins study. All subjects were randomly assigned to 2 conditions (35 cm step height combined with rate 48, 72, 96 steps/mill and 72 steps/mill step rate combined with 30, 35, 40 cm step height). Each exercise lasted for 3 minutes and there were 3 minutes rest time in between. Before each test, RT3 were worn at three locations (anterior superior iliac spines, fibular head, above the Achilles tendon) on all subject. RT3 and indirect calormietry were “used simultaneously to record the data. Result: The laiee-wom RT3 vector magnitude vs. indirect calorimetry are both highly correlated (r=0.688, p＜.01, r=0.427, p＜.01) in changing stepping rate or height. The stability was poor of accelerometer recorded by hip-and ankle-worn RT3 (percentage of predicted energy consumption is 62.62~76.77% and 181.l2~880.37% for each). Conclusions: Knee-worn RT3 increase the feasibility of RT3 to accurately estimate energy expenditure during stepping exercise. Knee is considered the best location than hip-or ankle-worn RT3 to estimate energy expenditure during stepping exercise.

並列關鍵字

Tri-axial Accelerometer ； Stepping ； Energy Consumption

參考文獻

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