Physical Activity Patterns of University Students Measured by Accelerometer

以加速度計測量之大學生身體活動型態

潘倩玉(Chien-Yu Pan) ； 朱嘉華(Chia-Hua Chu)

《大專體育學刊》 11卷3期 (2009/09) Pp. 53-67

https://doi.org/10.5297/ser.200909_11(3).0004

摘要

Purpose: This study examined the accelerometer-determined physical activity (PA) of university students who were participating in the step aerobic physical education (SAPE) program, and the contribution of SAPE to daily PA and health-related guidelines. Methods: Seventy-six participants (aged 21.20±1.05), wore an accelerometer for seven consecutive days, and they were divided into two groups: regularly participating in extra-curricular PA (EPA, n=24) and not participating in EPA (Non-EPA, n=52). Accumulated PA (count･min^(-1)･day^(-1), steps･day^(-1), and min･day^(-1) spent in moderate-to-vigorous PA (MVPA)), and bouts per day spent in MVPA in sessions of 5, 10 and 20 min were analyzed. Results: The main findings of the study were that (a) EPA group were significantly more active than Non-EPA group in all PA variables (p＜.05; p＜.01), (b) they were more active and spent more bouts of MVPA on weekdays than weekend days (p＜.01) expect 20-min bouts of MVPA, and (c) almost all (99%) students reached the daily recommended 30 min MVPA during SAPE (range=124; median=67.50). Conclusion: Although attending SAPE may be helpful in reaching PA targets, regularly participating in EPA is the key to reach the recommended minimum level of weekly PA.

關鍵字

運動 ； 成人 ； 動作感應器 ； 健康

並列摘要

本研究目的是以加速度計（accelerometer）測量參與階梯有氧課程大學生的身體活動，以及階梯有氧課程在累積每日至少30分鐘中等費力以上身體活動（moderate-to-vigorous physical activity, MVPA）所扮演的角色。76位選修階梯有氧課程的大學生，年齡介於19-24歲之間（M =21.20, SD =1.05），於學期中配戴加速度計連續7天〈週間：週一至週五、週末：週六至週日〉以測量身體活動。所有研究參與者依每週有規律參與（n=24）及無規律參與（n=52）課外身體活動課程分為兩組。本研究身體活動型態依變項包括：平均每天每分鐘身體活動量（count．min^(-1)．day^(-1)）、平均每天步伐數（steps．day^(-1)）、平均每天每分鐘從事MVPA的分鐘數、以及連續5分鐘、10分鐘、20分鐘MVPA的次數。本研究結果顯示：一、有規律參與課外身體活動課程的學生所有的身體活動均顯著高於沒有規律參與課外身體活動課程的學生（p<.05; p<.01）；二、有規律參與課外身體活動課程的學生平常日連續5分鐘及連續10分鐘MVPA的次數顯著高於週末（p<.01）；三、99%的研究對象在階梯有氧課程內所累積的MVPA分鐘數達每日至少累積30分鐘MVPA的建議標準（range=124; median=67.50）。本研究結論顯示：雖然參與階梯有氧課程能幫助大學生達到一日30分鐘以上的MVPA，但是有無規律參與課外身體活動課程才是累積每週身體活動建議標準的重要關鍵。

並列關鍵字

exercise ； young adults ； motion sensors ； health

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