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| 1 | Muscular activity patterns in 1-legged vs. 2-legged pedaling显示文摘Background:One-legged pedaling is of interest to elite cyclists and clinicians.However,muscular usage in 1-legged vs.2-legged pedaling is not fully understood.Thus,the study was aimed to examine changes in leg muscle activation patterns between 2-legged and 1-legged pedaling.Methods:Fifteen healthy young recreational cyclists performed both 1-legged and 2-legged pedaling trials at about 30 Watt per leg.Surface electromyography electrodes were placed on 10 major muscles of the left leg.Linear envelope electromyography data were integrated to quantify muscle activities for each crank cycle quadrant to evaluate muscle activation changes.Results:Overall,the prescribed constant power requirements led to reduced downstroke crank torque and extension-related muscle activities(vastus lateralis,vastus medialis,and soleus)in 1-legged pedaling.Flexion-related muscle activities(biceps femoris long head,semitendinosus,lateral gastrocnemius,medial gastrocnemius,tensor fasciae latae,and tibialis anterior)in the upstroke phase increased to compensate for the absence of contralateral leg crank torque.During the upstroke,simultaneous increases were seen in the hamstrings and uni-articular knee extensors,and in the ankle plantarflexors and dorsiflexors.At the top of the crank cycle,greater hip flexor activity stabilized the pelvis.Conclusion:The observed changes in muscle activities are due to a variety of changes in mechanical aspects of the pedaling motion when pedaling with only 1 leg,including altered crank torque patterns without the contralateral leg,reduced pelvis stability,and increased knee and ankle stiffness during the upstroke. | Sangsoo Park Graham E.Caldwell | 2021 | Journal of Sport and Health Science2021，10，1： | 2 |
| 2 | A case study of WebGIS technology for distance learning between Korea and Japan显示文摘Recently, some case study of distance learning by internet line are widely carried out. Until now, the cultural or friendship exchange was a main purpose using distance learning program. In our research group, a distance learning which connected 3 sites (Nagasaki and Omura and Kagoshima in Japan) was tried as a domestic example[1]. In this case, internet exclusive line and portable telephone were utilized for DVTS technical support of distance learning. Nowadays, the international distance learning for education is also beginning. Our research group also tried international distance learning between Kwangju city of Korea and Nagasaki city of Japan using DVTS techniques with the tools of WebGIS education materials. | JUN Byungdug LEE Sangsoo FUJIKI Takashi MORITA Yusuke | 2004 | 重庆邮电学院学报(自然科学版)2004，16，5： | 2 |
| 3 | Balanced to- pology to cancel Tx leakage in CW radar 显示文摘 | Jeong G K Sangsoo K Sangsoo J | 2004 | IEEE Microwave and Wireless Components Letters2004，14，9： | 1 |
| 4 | Impaired DNA Damage Response, Genome Instability, and Tumorigenesis in SIRT1 Mutant Mice显示文摘 | Rui-Hong Wang Kundan Sengupta Cuiling Li Hyun-Seok Kim Liu Cao Cuiying Xiao Sangsoo Kim Xiaoling Xu Yin Zheng Beverly Chilton Rong Jia Zhi-Ming Zheng Ettore Appella Xin Wei Wang Thomas Ried Chu-Xia Deng | 2008 | Cancer Cell2008，，4： | 1 |
| 5 | Brownish dynamic simulation for the aggregation of charged particles显示文摘 | Hyungho P Sangsoo K Hyuksang C | 2001 | J Aerosol Sci2001，32，： | 1 |
| 6 | Regional Energy Cooperation in North East Asia: Lessons from the European Experience 显示文摘 | Brigid G Sangsoo L | 2007 | Asia Europe Journal2007，5，3： | 1 |
| 7 | Biomimetic mineralization of woven bone-like nanocomposites: role of collagen cross-links显示文摘 | LI Y P Sangsoo J | 2012 | Biomacromolecules2012，13，1： | 1 |
| 8 | Measurement of absorption rates in horizontal - tube falling - film ammonia - water absorbem 显示文摘 | Sangsoo Lee Lalit Kumar Bohra Srinivas Garimella | 2012 | Interna- tional Journal of Refrigeration2012，35，： | 1 |
| 9 | Microchannel component technology for system-wide application in ammonia/water absorption heat pumps显示文摘 | Srinivas Garimella Matthew D. Determan J. Mark Meacham Sangsoo Lee Timothy C. Ernst | 2011 | International Journal of Refrigeration2011，，5： | 1 |
| 10 | Application of the subset ARIMA model for short-term freeway traffic volume forecasting显示文摘 | Sangsoo Lee Daniel B Fambro | 1999 | Transportation Research Record 16781999，，： | 1 |
| 11 | A dropwise condensation model using a nano-scale, pin structured surface显示文摘 | Sangsoo Lee Hyung Kee Yoon Kwang J. Kim Sunwoo Kim Mike Kennedy Bong June Zhang | 2013 | International Journal of Heat and Mass Transfer2013，，： | 1 |
| 12 | A NovelMethod for SQL Injection Attack Detection Based on Removing SQLQuery Attribute Values显示文摘 | Inyong Lee Soonki Jeong Sangsoo Yeoc | | 0，，01： | 1 |
| 13 | Brownian dynamic simulation for the aggregation of charged particles显示文摘 | Hyungho Park Sangsoo Kim Hyuksang Chang | 2001 | Journal of Aerosol Science2001，32，11： | 1 |
| 14 | Balanced Topology to Cancel Tx Leakage in CW Radar显示文摘 | Kim J G Sangsoo Ko Sanghoon Jeon | | 0，，09： | 1 |
| 15 | A novel method for SQL injection attack detection based on removing SQL query attribute values显示文摘 | Inyong Lee Soonki Jeong Sangsoo Yeo Jongsub Moon | 2011 | Mathematical and Computer Modelling2011，，1： | 1 |
| 16 | A Novel Method for SQL Injection Attack Detection Based on Removing SQL Query Attribute Values显示文摘 | Inyong L Soonki J Sangsoo Y | 2012 | Mathematical and Computer Modelling2012，55，： | 1 |
| 17 | The role of family decision makers in festival tourism 显示文摘 | Samuel Seongseop Kim Sangsoo Choi Jerome Agrusa Kuo-Ching Wang Youngmi Kim | 2010 | International Journal of Hospitality Management2010，29，2： | 1 |
| 18 | Electrospraying route to nanotechnology: an overview显示文摘 | Jaworek A Kyoungtae K Sangsoo K | 2008 | Electrostatics2008，66，34： | 1 |
| 19 | The role of family decision makers in festival tourism显示文摘 | Samuel S Sangsoo C Jerome A | 2010 | International Journal of Hospitality Management2010，29，2： | 1 |
| 20 | Hoo control of electrorheological suspension system subjected to parameter uncertainties显示文摘 | SeungBok Choi SangSoo Han | 2003 | Mechatronics2003，13，7： | 1 |
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