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https://www.readbyqxmd.com/read/28415868/-epidemiological-data-of-hungarian-skiers-and-snowboarders-medical-problems
#1
Péter Felkai, Ingrid Lengyel, Miklós Szokoly, Gábor Forgó
INTRODUCTION AND AIM: There are no high mountains or any advantageous circumstances for winter sports in Hungary, yet within the 10 million population there are about half a million people (the exact number is 550,000) who tend to go for skiing or snowboarding abroad. Authors compared the injury statistical data with results described in the international literature in order to develop conclusions about the differences in the injury patterns and frequency between the Hungarian ones' and those found in countries with plenty of winter sport possibilities...
April 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28409199/disc-degeneration-on-mri-is-more-prevalent-in-young-elite-skiers-compared-to-controls
#2
Wisam A Witwit, Peter Kovac, Anna Sward, Cecilia Agnvall, Carl Todd, Olof Thoreson, Hanna Hebelka, Adad Baranto
PURPOSE: Evidence-based facts regarding spine abnormalities and back pain are needed in order to develop rehabilitation programs and prevent spine injuries in young skiers. The aim therefore is to identify MRI changes in the thoraco-lumbar spine and the lifetime prevalence of back pain, as well as the association between them, in young skiers compared to non-athletes. METHODS: Seventy-five young elite alpine and mogul skiers, age range 16-20 years, were compared with 27 non-athletic controls...
April 13, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28382550/sitting-position-affects-performance-in-cross-country-sit-skiing
#3
M Lund Ohlsson, M S Laaksonen
PURPOSE: In cross-country sit-skiing (XCSS), athletes with reduced trunk control predominantly sit with the knees higher than the hips (KH); a position often associated with large spinal flexion. Therefore, to improve spinal curvature a new sledge with frontal trunk support, where knees are lower than hips (KL) was created. It was hypothesized that the KL position would improve respiratory function and enhance performance in seated double-poling compared to KH. METHODS: Ten female able-bodied cross-country skiers (age 25...
April 5, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28314090/prevalence-age-at-onset-and-risk-factors-of-self-reported-asthma-among-swedish-adolescent-elite-cross-country-skiers
#4
L M Eriksson, T Irewall, Anne Lindberg, Nikolai Stenfors
The objective of the study was to compare the prevalence of self-reported physician-diagnosed asthma and age at asthma onset between Swedish adolescent elite skiers and a reference group and to assess risk factors associated with asthma. Postal questionnaires were sent to 253 pupils at the Swedish National Elite Sport Schools for cross-country skiing, biathlon, and ski-orienteering ("skiers") and a random sample of 500 adolescents aged 16-20, matched for sport school municipalities ("reference"). The response rate was 96% among the skiers and 48% in the reference group...
March 17, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28291666/risk-and-protective-factors-for-sudden-cardiac-death-during-leisure-activities-in-the-mountains-an-update
#5
REVIEW
Martin Burtscher
INTRODUCTION: Annually, more than 100 million tourists with widely varying health and fitness status are attracted by the mountainous areas around the world. Whereas mountaineering activities may contribute to the well established beneficial effects of regular exercise, for certain individuals these activities are also associated with a relatively high risk of death. METHODS: This manuscript presents an updated overview of risk and protective factors for sudden cardiac death during leisure activities in the mountains...
February 28, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28287028/technique-analysis-in-elite-athletes-using-principal-component-analysis
#6
Øyvind Gløersen, Håvard Myklebust, Jostein Hallén, Peter Federolf
The aim of this study was to advance current movement analysis methodology to enable a technique analysis in sports facilitating (1) concurrent comparison of the techniques between several athletes; (2) identification of potentially beneficial technique modifications and (3) a visual representation of the findings for feedback to the athletes. Six elite cross-country skiers, three world cup winners and three national elite, roller ski skated using the V2 technique on a treadmill while their movement patterns were recorded using 41 reflective markers...
March 13, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28270769/the-role-of-power-fluctuations-in-the-preference-of-diagonal-vs-double-poling-sub-technique-at-different-incline-speed-combinations-in-elite-cross-country-skiers
#7
Christine Dahl, Øyvind Sandbakk, Jørgen Danielsen, Gertjan Ettema
In classical cross-country skiing, diagonal stride (DIA) is the major uphill sub-technique, while double poling (DP) is used on relatively flat terrain. Although, the dependence of incline and speed on the preference of either sub-technique seems clearly established, the mechanisms behind these preferences are not clear. Therefore, the purpose of this study was to compare kinetics and energy consumption in DP and DIA at the same submaximal workload in cross-country skiing under two different incline-speed combinations...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28241030/effects-of-upper-body-sprint-interval-training-on-strength-and-endurance-capacities-in-female-cross-country-skiers
#8
Kristine Vandbakk, Boye Welde, Andrea Hovstein Kruken, Julia Baumgart, Gertjan Ettema, Trine Karlsen, Øyvind Sandbakk
This study compared the effects of adding upper-body sprint-intervals or continuous double poling endurance training to the normal training on maximal upper-body strength and endurance capacity in female cross-country skiers. In total, 17 female skiers (age: 18.1±0.8yr, body mass: 60±7 kg, maximal oxygen uptake (VO2max): 3.30±0.37 L.min-1) performed an 8-week training intervention. Here, either two weekly sessions of six to eight 30-s maximal upper-body double poling sprint-intervals (SIG, n = 8) or 45-75 min of continuous low-to-moderate intensity double poling on roller skis (CG, n = 9) were added to their training...
2017: PloS One
https://www.readbyqxmd.com/read/28225237/alpine-cross-country-skier-with-energy-depletion-and-reduced-consciousness
#9
Trond Skjelstad, Marte Alsos Sørensen, Erik Waage Nielsen
No abstract text is available yet for this article.
February 2017: Tidsskrift for Den Norske Lægeforening: Tidsskrift for Praktisk Medicin, Ny Række
https://www.readbyqxmd.com/read/28219092/-analysis-of-cardiovascular-risk-factors-in-young-backcountry-skiers-in-the-gotthard-region
#10
Benedikt Andreas Gasser
Background and Objectives Although the frequency of cardiovascular events, especially the end manifestation of myocardial infarction, has decreased in recent years, cardiovascular disease continues to be one of the most frequent illnesses. Also it is known that the cardiac system sustains more stress at high altitudes than it does at intermediate altitudes. This leads to the question if young alpinists should undergo cardiac evaluation before setting out for a trip to the Himalayas or the Andes Mountains...
January 2017: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/28219091/-patrouille-des-glaciers-analysis-of-course-times
#11
Benedikt Andreas Gasser
Background Backcountry skiing has become more and more popular. The development of skis and equipment has been impressive and suggests that achieving a good performance level is much easier today than it was in the past. Taking the most popular backcountry skiing race in Switzerland, the "Patrouille des Glaciers (PDG)", we addressed the question as to whether this development has led to faster course times over the past ten years and what recommendations can be made for participants. Methods The average course times for the original course Zermatt - Arolla - Verbier were calculated over the past ten years for two cohorts (top-ten and median), separated by category...
February 20, 2017: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/28174479/effect-of-pain-free-range-exercise-on-shoulder-pain-and-range-of-motion-in-an-amateur-skier
#12
Won-Gyu Yoo
[Purpose] This study prescribed pain-free range exercises for a female amateur skier who complained of limitations in her shoulder range of motion, and pain caused by protective spasms; the tester evaluated the effects of such exercise on pain. [Subject and Methods] A 23-year-old female who complained of pain of 3 weeks in duration in the right glenohumoral and scapulothoracic joints was enrolled. [Results] After pain-free range exercises, the visual analog pain score was 2 and the shoulder flexion and abduction angles improved compared to the initial values...
December 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28095083/physiological-capacity-and-training-routines-of-elite-cross-country-skiers-approaching-the-upper-limits-of-human-endurance
#13
Øyvind Sandbakk, Hans-Christer Holmberg
Cross-country skiing is one of the most demanding of endurance sports, involving protracted competitions on varying terrain employing a variety of skiing techniques that require upper- and/or lower-body work to different extents. Through more effective training and extensive improvements in equipment and track preparation, the speed of cross-country ski races has increased more than that of any other winter Olympic sport and, in addition, new types of racing events have been introduced. To a certain extent this has altered the optimal physiological capacity required to win and the training routines of successful skiers have evolved accordingly...
January 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28095069/the-evolution-of-champion-cross-country-skier-training-from-lumberjacks-to-professional-athletes
#14
Øyvind Sandbakk
Competitive cross-country (XC) skiing has traditions extending back to the mid-19th century and was included as a men's event in the first Winter Games in 1924. Since then, tremendous improvements in equipment, track preparation, and knowledge about training have prompted greater increases in XC-skiing speeds than in any other Olympic sport. In response, this commentary focuses on how the training of successful XC skiers has evolved, with interviews and training data from surviving Norwegian world and Olympic XC champions as primary sources...
February 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28054124/-severe-blunt-thoracic-trauma-caused-by-ski-collision
#15
S J Lochner, M Scherr, M Perl, C Grove
An approximately 25-year-old skier collided in a ski-run intersection. At high speed, he first hit another skier and then smashed into a snow cannon. He died from his injuries a short time later in hospital. A whole-body CT scan was conducted under resuscitation conditions, which was followed by an autopsy. The investigation revealed a severe blunt thoracic trauma as cause of death. The detailed analysis was the result of the combination of the two methods of investigation, CT scan and autopsy. The methods complemented each other effectively and allowed for a detailed presentation of the injury pattern...
January 4, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28030491/severe-injuries-associated-with-skiing-and-snowboarding-a-national-trauma-data-bank-study
#16
Amory de Roulet, Kenji Inaba, Aaron Strumwasser, Konstantinos Chouliaras, Lydia Lam, Elizabeth Benjamin, Daniel Grabo, Demetrios Demetriades
BACKGROUND: Injuries after skiing and snowboarding accidents lead to an estimated 7,000 hospital admissions annually and present a significant burden to the health care system. The epidemiology, injury patterns, hospital resource utilization, and outcomes associated with these severe injuries need further characterization. METHODS: The National Trauma Data Bank was queried for the period 2007 to 2014 for admissions with Injury Severity Score > 15 and International Classification of Diseases Codes-9th Revision codes 885...
April 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/27918680/is-there-an-optimal-pole-length-for-double-poling-in-cross-country-skiing
#17
Franziska Onasch, Anthony Killick, Walter Herzog
The aim of this study was to determine the effects of pole length on energy cost and kinematics in cross country double poling. Seven sub-elite male athletes were tested using pole sets of different lengths (ranging between 77 and 98% of participants' body height). Tests were conducted on a treadmill, set to a 2% incline and an approximate racing speed. Poling forces, contact times, and oxygen uptake were measured throughout the testing. Pole length was positively correlated with ground contact time (r = .57, p < ...
December 5, 2016: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/27915067/the-feasibility-and-effects-of-acupuncture-in-an-adolescent-nordic-ski-population
#18
Kristin L Garlanger, William H Fredericks, Alexander Do, Brent A Bauer, Edward R Laskowski
BACKGROUND: Studies investigating the use and effectiveness of acupuncture in adults after exercise have been well documented. Fewer studies involving acupuncture have been completed in the adolescent athlete population. To our knowledge, there are no published studies that investigate the use of acupuncture in adolescent athletes within their field of play. OBJECTIVE: To primarily assess the feasibility of performing acupuncture in adolescent Nordic skiers within their athletic environment, and secondarily to measure the effect of acupuncture on muscle soreness and sense of well-being...
November 30, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27900180/pursuit-of-performance-excellence-a-population-study-of-norwegian-adolescent-female-cross-country-skiers-and-biathletes-with-disordered-eating
#19
Ingvild Pettersen, Erik Hernæs, Finn Skårderud
AIM: To examine the prevalence of disordered eating (DE) among the total population of Norwegian female cross-country skiers and biathletes at the junior level, and to determine whether sociodemographic characteristics predict DE among athletes. METHODS: A cross-sectional population study of Norwegian female junior cross-country skiers and biathletes (n=262), with a response rate of 86%. Descriptive statistics and logistic regression analyses explored the prevalence of DE and its relation to sports, competitive age groups, competitive status and education...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27885394/sports-specific-differences-in-postsurgical-infections-after-arthroscopically-assisted-anterior-cruciate-ligament-reconstruction
#20
Werner Krutsch, Johannes Zellner, Florian Zeman, Michael Nerlich, Matthias Koch, Christian Pfeifer, Peter Angele
PURPOSE: Post-operative infection after arthroscopically assisted anterior cruciate ligament (ACL) reconstruction is a rare but severe complication, particularly for young and active patients. It is unclear whether the prevalence of knee infection is correlated with the type of sports or the level of performance. METHODS: From 2008 to 2012, the internal single-centre ACL registry of the FIFA Medical Centre of Excellence Regensburg was retrospectively screened for sex, age, time between isolated primary ACL rupture and surgery, surgical technique, rate of infection after ACL reconstruction and the type of sports practised...
November 24, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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