Auswahl der wissenschaftlichen Literatur zum Thema „Cross-country skis“

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Zeitschriftenartikel zum Thema "Cross-country skis"

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Korvas, Pavel, Tobias Goldschmidt, Oliver Jaros, and Jan Šťastný. "Comparative study of cross-country skiing on grip and skin skis." Journal of Human Sport and Exercise 20, no. 3 (2025): 966–79. https://doi.org/10.55860/b7arph56.

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The technology of cross-country skis for classic running is constantly evolving in the areas of ski construction or materials for ski construction. A study was focused to compare kinematic and kinetic parameters on grip and non-wax skis. Two groups of cross-country skiers participated in the with different skills quality. Kinematic and kinetic parameters of diagonal stride were observed: times of step cycle and phases, average and maximum pressure values of cycle phases. Pressure insole system was used for data collection. The Cohen size coefficient d was used. Differences between group of lar
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Komi, Paavo V. "Force Measurements during Cross-Country Skiing." International Journal of Sport Biomechanics 3, no. 4 (1987): 370–81. http://dx.doi.org/10.1123/ijsb.3.4.370.

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To understand cross-country (X-C) siding it is important to record and identity forces of skis and poles separately and together. They both contribute to the forward progression, but their functional significance may be more complex than that of the ground reaction forces in running and walking. This report presents two methods to record forces on skis and poles during normal X-C skiing. A long force-platform system with four rows of 6-m long plates is placed under the snow track for recording of Fz and Fy forces of each ski and pole separately. This system is suitable especially for the study
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Pierce, Javin C., Malcolm H. Pope, Per Renstrom, Robert J. Johnson, Janet Dufek, and Charles Dillman. "Force Measurement in Cross-Country Skiing." International Journal of Sport Biomechanics 3, no. 4 (1987): 382–91. http://dx.doi.org/10.1123/ijsb.3.4.382.

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A method for measuring the forces between the shoe and ski and upon the pole has been developed. Instrumented skis and poles are used with a portable data acquisition system that is carried by the skier in the field. Elite, top-level collegiate, and citizen skiers were used as subjects. Skiers performed the diagonal stride, and a marathon skate. Axial force levels at the forefoot were found to reach 164%, and 120% of body weight in the diagonal skate strides, respectively.
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Schindelwig, Kurt, Martin Mössner, Michael Hasler, and Werner Nachbauer. "Determination of the rolling resistance of roller skis." Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology 231, no. 1 (2016): 50–56. http://dx.doi.org/10.1177/1754337116628719.

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The rolling resistance of skis used in roller skiing competitions should resemble the gliding resistance of cross-country skis to allow specific training and moving patterns for cross-country skiing and to guarantee equal opportunities for athletes in roller ski races. Therefore, the purpose of this work was to develop a portable rolling resistance meter to precisely measure the rolling resistance of roller skis. Measurements were based on recordings of the angular deceleration of a flywheel due to the rolling resistance between a roller ski’s wheel and the flywheel’s steel surface. Rolling re
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Watts, Phillip B., Jon Eric Sulentic, Kip M. Drobish, et al. "Physiological Responses to Specific Maximal Exercise Tests for Cross-Country Skiing." Canadian Journal of Applied Physiology 18, no. 4 (1993): 359–65. http://dx.doi.org/10.1139/h93-030.

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The present study attempted to quantify differences in peak physiological responses to pole-striding (PS), double poling on roller skis (DP), and diagonal striding on roller skis (DS) during maximal exercise. Six expert cross-country ski racers (3 M, 3 F) with a mean age of 20.2 ± 1.3 yrs served as subjects. Testing was conducted on a motorized ski treadmill with a tracked belt surface. Expired air was analyzed continuously via an automated open-circuit system and averaged each 20 s. Heart rate was monitored via telemetry and arterialized blood was collected within 1 min of test termination an
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Spring, Erik, Sauli Savolainen, Jari Erkkilä, Tuomo Hämäläinen, and Pekka Pihkala. "Drag Area of a Cross-Country Skier." International Journal of Sport Biomechanics 4, no. 2 (1988): 103–13. http://dx.doi.org/10.1123/ijsb.4.2.103.

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The drag area CDA of three male cross-country skiers as a function of their velocity was determined from their retardation when they were gliding on roller-skis over a horizontal smooth asphalt surface in a subway. The results show that CDA is a slightly decreasing function of the skier’s velocity in the velocity range 5–11 m/s. The drag area of a skier was found to be 0.27 ± 0.03 m2in a semi-squatting posture and 0.65 ± 0.05 m2in an upright posture for an average size skier (weight 80 kg, height 1.75 m). The difference in the drag area between a normal outdoor suit and a tight-fitting ski sui
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Хуртик, Дмитро, and Ірина Хмельницька. "Features of techniques of movement on skis and roller skis in elite hard of hearing cross-country skiers." Theory and Methods of Physical Education and Sports, no. 4 (October 30, 2013): 81–85. http://dx.doi.org/10.32652/tmfvs.2013.4.81-85.

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Ohtonen, Olli, Stefan Lindinger, and Vesa Linnamo. "Effects of Gliding Properties of Cross-Country Skis on the Force Production during Skating Technique in Elite Cross-Country Skiers." International Journal of Sports Science & Coaching 8, no. 2 (2013): 407–16. http://dx.doi.org/10.1260/1747-9541.8.2.407.

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Street, Glenn M., and Robert W. Gregory. "Relationship between Glide Speed and Olympic Cross-Country Ski Performance." Journal of Applied Biomechanics 10, no. 4 (1994): 393–99. http://dx.doi.org/10.1123/jab.10.4.393.

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While the scientific literature has confirmed the importance of high maximal aerobic power to successful cross-country skiing performance, the same cannot be said of skiing technique or gliding characteristics of skis. The purpose of this study was to determine whether glide speed was related to Olympic race performance. Male competitors in the 50-km freestyle event were videotaped during the 1992 Winter Olympic Games. Glide speeds of the entire field were measured through a 20-m flat section at the bottom of a 150-m, 12° downhill. A significant correlation (r = -.73) was found between finish
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Auganæs, Sondre Bergtun, Audun Formo Buene, and Alex Klein-Paste. "Laboratory testing of cross-country skis – Investigating tribometer precision on laboratory-grown dendritic snow." Tribology International 168 (April 2022): 107451. http://dx.doi.org/10.1016/j.triboint.2022.107451.

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Dissertationen zum Thema "Cross-country skis"

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Cortes, Morales Myrna Carolina. "Characterization of cross-country ski base material." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-85856.

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Cross-country skiing has developed to become one of the most competitive winter sports, where a skier can win by fractions of seconds. Joint efforts between ski technicians and scientist have allowed the development of methodologies to prepare the ski surface, yet much of the knowledge up to date is based on the experience of the technicians.  In this sense, much attention is focused on the ski base, given that the friction at the base is an important factor that will define how fast a ski can glide. Ski base preparation is an extensive procedure, due to the several parameters that have to be
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Camenisch, Karin. "Flexibility as a determinant of rollerskiing economy in cross-country skiers." Thesis, Montana State University, 2007. http://etd.lib.montana.edu/etd/2007/camenisch/CamenischK0807.pdf.

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Jacobson, Erik Andrew. "Effect of ski pole stiffness on upper body power output in cross-country skiers." Thesis, Montana State University, 2008. http://etd.lib.montana.edu/etd/2008/jacobson/JacobsonE0508.pdf.

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The purpose of this study was to determine whether increased pole stiffness corresponds with higher measures of upper body power in competitive cross-country skiers. Fifteen elite/college level cross-country ski racers (8 men, 7 women) tested UBP on a custom-built double-poling ergometer. Ski poles tested were two models of the same brand with different factory-specified stiffness ratings. Subjects underwent three 10 s UBP tests (W10, W) and one 60 s UBP test (W60, W) for each pole type. UBP measures were defined as the average power output over the length of each test. Video recordings o
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Ainegren, Mats. "Roller skis' rolling resistance and grip characteristics : influences on physiological and performance measures in cross-country skiers." Doctoral thesis, Mittuniversitetet, Institutionen för teknik och hållbar utveckling, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-16446.

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The aim of this thesis was to investigate roller ski characteristics; classical and freestyle roller skis’ rolling resistance coefficients (μR) and classical style roller skis’ static friction coefficients (μS), and to study the influence of different μR and μS on cross-country skiers’ performance and both physiological and biomechanical indices. The aim was also to study differences in skiing economy and efficiency between recreational skiers, female and male junior and senior elite cross-country skiers.The experiments showed that during a time period of 30 minutes of rolling on a treadmill (
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Stark, Ryan M. "Blood lactate threshold determination in elite cross-country skiers on a ski treadmill." Thesis, University of Ottawa (Canada), 1989. http://hdl.handle.net/10393/5633.

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Bergström, Anna Charlotta, and Linda Jacobsson. "Produktutveckling av sitski : En uppdaterad modell för längdskidåkning på elitnivå." Thesis, Mittuniversitetet, Avdelningen för kvalitets- och maskinteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-39669.

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Att utöva fysiska aktiviteter ska vara möjligt för alla.Genom parasporten, som är sporter anpassade förpersoner med olika funktionsnedsättningar, görs dettamöjligt för alla, oavsett vilka fysiska förutsättningar manhar. Cross-country sitskiing är en gren inom parasportensom växer mer och mer i antalet utövare. Vid utövandetav Cross-country sitskiing sitter åkaren i en typ av kälkesom kallas sitski. Denna är anpassad efter individen ochkan därför se mycket olika ut. Vid tävling är det viktigtatt utrustningen passar bra och håller en låg vikt.Med syftet att förbättra prestationen för en åkare, s
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Nelson, Lars. "App based ski management with performance predictions." Thesis, Mittuniversitetet, Institutionen för data- och systemvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-37949.

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This report aims to solve a problem for the   waxers in the Swedish National Cross-country Ski Team, which hereafter will   be referred to as the national team. The problem in hand is that currently,   the national team lacks a system for book-keeping of ski pairs and ski tests.   Also, the project intends to provide a tool for predicting the best ski pairs   in given conditions. The report describes cross-country skis and factors that   affect the performance of these skis. Moreover, this report presents the   testing procedure of the national team. The project provides a solution to   the pr
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Frankish, Mark T. "Better Understanding the Adoption of the Long-term Athlete Development Model: Case Analyses of Cross-country Ski Coaches." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20271.

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The Long Term Athlete Development (LTAD) model is an innovation created in response to the Canadian Sport Policy (Canadian Heritage, 2007). The LTAD is an “athlete centered, coach driven, and administration, sport science, and sponsor supported” (Canadian Sport Centres, 2006, p. 33) athlete-development model. Since little research has been completed focusing on this model (viz., Black & Holt, 2009) this thesis had the purpose to better understand the adoption of the LTAD by cross-country ski (XCS) coaches. Two articles present a case study of three XCS club’s coaches, and a descriptive qualita
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Thomas, Mark. "A physiological and biomechanical profile of the athletes competing in a World Cup cross-country ski relay event." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0024/MQ33458.pdf.

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Larsson, Emelie. "Wax-accessory for cross-country skiers : Development of a wax-bench that collect waste." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-70833.

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This is a master thesis report for MSc in Industrial Design Engineering at Luleå University of Technology. It is a development project where a wax-bench for cross-country skiing has been developed. The wax-bench have been developed to facilitate the clean-up for the user and to gather all wax-accessories at one place. In this report the entire project can be followed from start to finish, how the requirements were found, who is the user, what should the product handle and how was the ideas ge- nerated. The final result is a wax- box that is vacuum formed and folded in the middle. In the box t
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Bücher zum Thema "Cross-country skis"

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Alberta. Alberta Recreation and Parks. Cross country ski trails. Alberta Recreation and Parks, Recreation Development Division, 1988.

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Messick, Tim. Cross country skiing in Yosemite. Chockstone Press, 1985.

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Burns, Kylie. Biathlon, cross-country, ski jumping, and nordic combined. Crabtree Pub. Co., 2010.

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Basch, Marty. Winter trails: Vermont & New Hampshire : the best cross country ski & snowshoe trails. 2nd ed. Globe Pequot Press, 2002.

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Burns, Kylie. Biathlon, cross country, ski jumping, and nordic combined. Crabtree Pub. Co., 2010.

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Burns, Kylie. Biathlon, cross-country, ski jumping, and nordic combined. Crabtree Pub. Co., 2010.

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Peter, Shelton. The snow skier's bible. Doubleday, 1991.

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Brask, Christofer. Ur Spår!: Snor, svett & svenska skidungar. Fischer & Co., 2006.

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Waterhouse, Stephen L. Passion for skiing: The story of how one small college, Dartmouth College, has been the dominant institution in the development of modern skiing. Edited by Collins, Jim (James C.), Durrance Dick, Hansen H. Roger, et al. Whitman Communications, 2010.

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Pinedale Ranger District (Wyo.), ed. Skyline drive: Nordic touring trails. U.S. Dept. of Agriculture, Forest Service, Intermountain Region, Pinedale Ranger District, 1997.

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Buchteile zum Thema "Cross-country skis"

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Bäckström, Mikael, Leon Dahlen, and Mats Tinnsten. "Essential Ski Characteristics for Cross-Country Skis Performance (P251)." In The Engineering of Sport 7. Springer Paris, 2008. http://dx.doi.org/10.1007/978-2-287-09413-2_66.

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Carlsson, Peter, M. Ainegren, M. Tinnsten, et al. "Cross-Country Ski." In The Engineering Approach to Winter Sports. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-3020-3_5.

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Johansson, Moa, Marie Korneliusson, and Nickey Lizbat Lawrence. "Identifying Cross Country Skiing Techniques Using Power Meters in Ski Poles." In Communications in Computer and Information Science. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-35664-4_5.

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Svensson, Daniel. "Skiing Through Time: Articulating a Landscape Heritage of Swedish Cross-Country Skiing." In Leisure Cultures and the Making of Modern Ski Resorts. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-92025-2_5.

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Hejda, Jan, Petr Volf, Jakub Mejstřík, et al. "Design of Device for Measuring the Load of Cross-Country Ski Poles." In IFMBE Proceedings. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-31635-8_77.

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Baumann, W. "The Mechanics of the Roller Ski and its Influence on Technique in Cross Country Skiing." In Biomechanics: Current Interdisciplinary Research. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-011-7432-9_108.

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Tinnsten, M., and L. Kuzmin. "Estimation of Dirt Attraction on Running Surfaces of Cross-Country Skis." In The Impact of Technology on Sport II. Taylor & Francis, 2007. http://dx.doi.org/10.1201/9781439828427.ch124.

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"Cross-country ski technology." In Routledge Handbook of Sports Technology and Engineering. Routledge, 2013. http://dx.doi.org/10.4324/9780203851036-23.

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Watanabe, Kazuhiko. "Ski-Jumping, Alpine-, Cross-Country-, and Nordic-Combination Skiing." In Biomechanics of Sport. CRC Press, 2020. http://dx.doi.org/10.1201/9781003068549-7.

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Watanabe, Kazuhiko. "Ski-Jumping, Alpine-, Cross-Country-, and Nordic-Combination Skiing." In Biomechanics of Sport. CRC Press, 2020. http://dx.doi.org/10.4324/9781003068549-7.

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Konferenzberichte zum Thema "Cross-country skis"

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Pelin, Florin, and Raluca anca Pelin. "USE OF MODERN TECHNOLOGIES (ICT) FOR PERFORMANCE MONITORING IN BIATHLON." In eLSE 2014. Editura Universitatii Nationale de Aparare "Carol I", 2014. http://dx.doi.org/10.12753/2066-026x-14-253.

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Winter Biathlon can be considered one of the oldest human activities. It has its origins in hunting on skis. Military skiing patrols and their actions are reported more frequently at the very beginning of the second millennium AD in the northern regions. Biathlon trials combine two disciplines: cross-country skiing and rifle shooting when passing through a polygon. In biathlon, performance is reflected by three main factors: - Running speed on skis with the gun carried on the back; - Residence time in the polygon; - The shooting performance. Improving the results of these three factors has bee
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Bruzzo, John, A. L. Schwab, Aki Mikkola, Olli Ohtonen, and Vesa Linnamo. "A Simple Multibody Dynamic Model of Cross-Country Ski-Skating." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-12859.

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The purpose of this paper is to present the development of a simple multibody dynamic model matching the observed movements of the center of mass of a skier performing the skating technique in cross-country skiing. The formulation of the equation of motion was made using the Euler–Lagrange equations applied to a multibody tree-type system in three dimensions. The description of the lower limb of the skier and the ski was completed by employing three bodies, one representing the ski, and two representing the natural movements of the leg of the skier. This simple model is able to show an approxi
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Bruzzo, John, A. L. Schwab, Aki Mikkola, Antti Valkeapää, Olli Ohtonen, and Vesa Linnamo. "A Simple Mechanical Model for Simulating Cross-Country Skiing Propulsive Force." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46454.

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In this paper, a three-dimensional multibody dynamic model of a cross-country skier is developed and presented where a single propulsion phase is modeled to obtain the kinetic parameters involved in the movement. A professional Olympic-level skier performed the skating technique without poles in a ski tunnel under controlled conditions and on an incline plane. Then, with the use of a force acquisition system attached to the ski bindings and a motion capture system set on site, the leg resultant forces and the movement of specific points of the skier’s lower body were acquired. The data obtaine
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Eikevåg, Sindre W., Monika Forr, Kristin Aase, Viljar Aasan, Martin Steinert, and Knut Einar Aasland. "New slopes - Designing a motorized cross-country sit-ski to increase accessibility, safety, activity level, and fun for paraplegic cross-country skiers." In Proceedings of NordDesign 2022. The Design Society, 2022. http://dx.doi.org/10.35199/norddesign2022.27.

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Silva, Bianca Brinques da, Victoria Bento Alves Paglioli, Natali Rocha Bernich, et al. "An epidemiological overview of spina bifida in Brazil in the years 2010 to 2019." In XIII Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1516-3180.397.

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Background: Spina bifida is a birth defect not fully understood, which suggests the association of genetic factors with environmental factors as possible causes. Objectives: To analyze the epidemiological data of Spina Bifida in the period from 2010 to 2019 in Brazil. Design and setting: Descriptive cross-sectional epidemiological study with patients with Spina Bifida in Brazil between 2010 and 2019. Methods: Study realized using data from the Department of Information of the Brazilian Health System (DATASUS). The data used were classification, sex, ethnicity, Regions of Brazil, mother’s age a
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Wang, Jiawei, Yong-Yi Wang, William A. Bruce, Steve Rapp, and Russell Scoles. "Development of Lifting and Lowering-in Plan for the Control of Construction Stresses." In 2020 13th International Pipeline Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/ipc2020-9753.

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Abstract Construction of a cross-country pipeline involves lifting the pipeline off the skids and lowering it into the trench (lifting and lowering-in). This can introduce the highest stress magnitude that the pipe may experience over its service life. If not managed properly, overly high stresses may cause integrity issues during construction and/or service. If the girth welds are qualified and accepted using alternative flaw acceptance criteria, such as those in API 1104 Annex A and CSA Z662 Annex K, these stresses must be kept below a preset level during lifting and lowering-in to satisfy t
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Berichte der Organisationen zum Thema "Cross-country skis"

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Dumas, Alexis, André Bégin-Drolet, and Julien Lépine. Development of a ski testing machine based on the effective friction coefficient for classic cross-country skis. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317548.

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Micco, Alejandro, and Tomás Serebrisky. Infrastructure, Competition Regimes and Air Transport Costs: Cross Country Evidence. Inter-American Development Bank, 2004. http://dx.doi.org/10.18235/0010953.

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The relevance of transport costs has increased as liberalization continues to reduce artificial barriers to trade. Countries need to adopt policies to 'get closer' to global markets. Can improvements in infrastructure and regulation reduce transport costs? Is it worthwhile to implement policies designed to increase competition in transport markets? Focusing on air transport, which has increased its share in US imports from 24 percent in 1990 to 35 percent in 2000, this paper quantifies the effects of infrastructure, regulatory quality and liberalization of air cargo markets on transport costs.
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