不同阻力對自行車坐姿與站姿騎乘的影響__臺灣人文及社會科學引文索引資料庫

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題名：	不同阻力對自行車坐姿與站姿騎乘的影響
書刊名：	大專體育學刊
作者：	張柏苓／吳堉光／相子元
作者(外文)：	Chang, Po-ling／Wu, Yu-kuang／Shiang, Tzyy-yuang
出版日期：	2012
卷期：	14:4
頁次：	頁448-457
主題關鍵詞：	姿勢；固定式腳踏車；踏板受力；衝量；肌電圖；Posture；Stationary bike；Pedal force；Impulse；Electromyography
原始連結：	連回原系統網址
相關次數：	被引用次數:期刊(0) 博士論文(0) 專書(0) 專書論文(0) 排除自我引用:0 共同引用:8 點閱:31

坐姿與站姿騎乘各會受到不同阻力的影響，並非一直採用坐姿或是站姿就一定是最有效的騎乘方式。因此本研究目的在探討坐姿與站姿在不同阻力時之踏板受力與下肢肌電圖參數的變化。12名受試者以兩種姿勢（坐姿、站姿）進行固定式腳踏車騎乘，並比較在三種不同阻力（低、中、高）情況中的差別。力量感測器與表面肌電圖用來擷取受試者右腳之數據，並分析出踏板受力峰值、衝量，股直肌、股二頭肌肌電圖峰值、積分肌電圖參數。阻力的界定使用固定式腳踏車上的煞車機制，全部測試的踩踏節奏統一為50 rpm，統計方法採用二因子重複量數變異數分析。研究結果顯示坐姿的踏板受力峰值、衝量、肌電圖參數受到阻力的影響後呈現上升趨勢，而站姿的趨勢則較不一致。低阻力、中阻力時之踏板受力峰值、衝量是站姿大於坐姿，而高阻力時則會相接近。再對照肌電圖參數，低阻力時是坐姿小於站姿，中阻力、高阻力時是坐姿大於站姿。整體而言，阻力較低時是坐姿較省力，因為站姿的肌肉負擔較大；阻力較高時是站姿較有效率，因為站姿有體重重力可以幫助踩踏。本研究結論：如果實際騎乘時遭遇到不同的阻力，可以依此策略去選擇較佳的騎乘姿勢。

以文找文

In general, people may not always ride the bike with one posture, which seems that different resistances would be a reason to change the posture. In view of this, the purpose of this study was to investigate the pedal force and electromyography (EMG) with two riding postures (seated and standing) in three levels of resistances (low, middle and high). Twelve subjects rode on a stationary bike, which a force sensor mounted on the right pedal and surface EMG was used to acquire the data from right leg. The parameters, including peak pedal force, impulse, peak EMG and integrated EMG were analyzed. Resistance was defined by the mechanism of brake from stationary bike and pedaling cadence was restricted to 50 rpm in all trials. A two-way repeated measures ANOVA was used to detect the significant differences. Our results showed that as resistance increased, seated posture displayed an increased trend in pedal force, impulse, EMG. However, standing posture was different compared to seated posture. Standing posture showed higher pedal force and impulse than seated posture at low and middle resistances, but pedal force and impulse of both postures were close to each other at high resistance. Further contrasting with EMG data, standing posture was higher than seated posture at low resistance, but standing posture displayed a smaller activation compared to seated posture at middle and high resistance. In general, seated posture could save strength at light resistance because of less muscle loading than standing posture. However, at heavy resistance, standing posture had better efficiency than seated posture, because cyclist could ride more unhindered by body weight from standing posture. This study concludes that cyclist could adopt this information, when facing different levels of resistances.

以文找文

期刊論文
1.	陳俊華、陳坤檸(20040200)。預估9-12歲男童最大攝氧量之研究。大專體育學刊，6(1)，263-273。延伸查詢
2.	Silberman, Marc R.、Webner, David、Collina, Steven、Shiple, Brian J.(2005)。Road bicycle fit。Clinical Journal of Sport Medicine，15(4)，271-276。
3.	王宇涵、周峻忠、林信甫(20070300)。不同騎乘姿勢對原地腳踏車運動攝氧量與肌電圖反應之影響。大專體育學刊，9(1)，103-113。延伸查詢

圖書
1.	American College of Sport Medicine(2006)。ACSM's Guidelines for Exercise Testing and Testing and Prescription。Baltimore, MD：Lippincott Williams & Wilkins。

其他
1.	張錚璿、羅懷保、相子元(2010)。不同騎乘姿勢對自行車踩踏力量之影響。延伸查詢
2.	Álvarez, G., & Vinyolas, J.(1996)。A new bicycle pedal design for on-road measurements of cycling forces。
3.	Baum, B. S., & Li, L.(2003)。Lower extremity muscle activities during cycling are influenced by load and frequency.。
4.	Bertucci, W., Grappe, F., Girard, A., Betik, A., & Rouillon, J.(2005)。Effects on the crank torque profile when changing pedalling cadence in level ground and uphill road cycling。
5.	Caldwell, G. E., Li, L., McCole, S. D., & Hagberg, J. M.(1998)。Pedal and crank kinetics in uphill cycling。
6.	Duc, S., Bertucci, W., Pernin, J. N., & Grappe, F.(2008)。Muscular activity during uphill cycling: Effect of slope, posture, hand grip position and constrained bicycle lateral sways。
7.	Kautz, S. A., & Hull, M. L.(1993)。A theoretical basis for interpreting the force applied to the pedal in cycling。
8.	Li, L., & Caldwell, G. E(1998)。Muscle coordination in cycling: Effect of surface incline and posture。
9.	Lin, H. T., Hsu, A. T., Chang, J. H., Chien, C. S., & Chang, G. L.(2008)。Comparison of EMG activity between maximal manual muscle testing and cybex maximal isometric testing of the quadriceps femoris。
10.	Miller, M. S., Peach, J. P., & Keller, T. S.(2001)。Electromyographic analysis of a human powered stepper cycle during seated and standing riding。
11.	Millet, G. P., Tronche, C., Fuster, N., & Candau, R.(2002)。Level ground and uphill cycling efficiency in seated and standing positions。
12.	Mognoni, P., & di Prampero, P. E.(2003)。Gear, inertial work and road slopes as determinants of biomechanics in cycling。
13.	Neptune, R. R., & Hull, M. L(1996)。Methods for determining hip movement in seated cycling and their effects on kinematics and kinetics。
14.	Neptune, R. R., Kautz, S. A., & Hull, M. L(1997)。The effect of pedaling rate on coordination in cycling。
15.	Reiser, R. F., II, Maines, J. M., Eisenmann, J. C., & Wilkinson, J. G(2002)。Standing and seated Wingate protocols in human cycling。
16.	Soden, P. D., & Adeyefa, B. A.(1979)。Forces applied to a bicycle during normal cycling。
17.	Stone, C., & Hull, M. L(1993)。Rider/bicycle interaction loads during standing treadmill cycling。
18.	Wilson, R. W., II, Snyder, A. C., & Dorman, J. C(2009)。Analysis of seated and standing triple Wingate tests。

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