北海预应力钢绞线价格 拉粑粑也有最佳时长，最好不要超过这个时间.

人生五件大事，吃喝拉撒睡，跟厕所有关的一下就占了两件，可以说是占据了整体幸福感的五分之二。

不过，同样是上厕所，有些人就能放空自己，一身轻松；有些人，却只能带一身怨（臭）气，心有不甘地离开。

为什么上厕所都不能尽情释放自己，或者总感觉哪里不对？你很可能是在不经意间犯了 4 个错误。

错误一：如厕时间太长

错误二：用力过猛

错误三：擦屁屁的方向不对

错误四：便后洗手不认真

本文审核专家

参考文献

[ 1 ] Oja, P., Titze, S., Bauman, A., De Geus, B., Krenn, P., Reger ‐ Nash, B., & Kohlberger, T. ( 2011 ) . Health benefits of cycling: a systematic review. Scandinavian journal of medicine & science in sports, 21 ( 4 ) , 496-509.

[ 2 ] Althunyan, A. K., Darwish, M. A., & Wahab, M. M. A. ( 2017 ) . Knee problems and its associated factors among active cyclists in Eastern Province, Saudi Arabia. Journal of Family & Community Medicine, 24 ( 1 ) , 23.

黑龙江北爵门窗有限公司自2005年创立，钢绞线厂家一直专注节能门窗研发生产，是区域内极具影响力的门窗系统服务商。总部位于哈尔滨市南岗区王岗镇，超3万平方米的现代化生产基地，配备国内先进全自动生产线和多套门窗加工设备，实现全流程自动化操作，保障产品精度与品质稳定。拥有100 余专业制作工人，年产20万平方米优质门窗，能高效满足不同规格需求。

[ 3 ] Fang, Y., Fitzhugh, E. C., Crouter, S. E., Gardner, J. K., & Zhang, S. ( 2016 ) . Effects of workloads and cadences on frontal plane knee biomechanics in cycling. Medicine & Science in Sports & Exercise, 48 ( 2 ) , 260-266.

[ 4 ] D ’ Lima, D. D., Fregly, B. J., Patil, S., Steklov, N., & Colwell Jr, C. W. ( 2012 ) . Knee joint forces: prediction, measurement, and significance. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 226 ( 2 ) , 95-102.

[ 5 ] Luan, L., Bousie, J., Pranata, A., Adams, R., & Han, J. ( 2021 ) . Stationary cycling exercise for knee osteoarthritis: A systematic review and meta-analysis. Clinical rehabilitation, 35 ( 4 ) , 522-533.

[ 6 ] Abt, J. P., Smoliga, J. M., Brick, M. J., Jolly, J. T., Lephart, S. M., & Fu, F. H. ( 2007 ) . Relationship between cycling mechanics and core stability. The Journal of Strength & Conditioning Research, 21 ( 4 ) , 1300-1304.

[ 7 ] Bailey, M., MAILLARDET, F., & Messenger, N. ( 2003 ) . Kinematics of cycling in relation to anterior knee pain and patellar tendinitis. Journal of sports sciences, 21 ( 8 ) , 649-657.

[ 8 ] Quesada, J. I. P., Jacques, T. C., Bini, R. R., & Carpes, F. P. ( 2016 ) . Importance of static adjustment of knee angle to determine saddle height in cycling. Journal of Science and Cycling, 5 ( 1 ) , 26-31.

[ 9 ] Borgers, A., Claes, S., Vanbeek, N., & Claes, T. ( 2020 ) . Etiology of knee pain in elite cyclists: A 14-month consecutive case series. Acta Orthopaedica Belgica, 86 ( 2 ) , 262-271.

[ 10 ] Schwellnus, M. P., & Derman, E. W. ( 2005 ) . Common injuries in cycling: Prevention, diagnosis and management. South African Family Practice, 47 ( 7 ) , 14-19.

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