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https://www.readbyqxmd.com/read/29791977/no-association-between-rate-of-torque-development-and-onset-of-muscle-activity-with-increased-risk-of-hamstring-injury-in-elite-football
#1
Nicol van Dyk, Roald Bahr, Angus F Burnett, Evert Verhagen, Damien von Tiggelen, Erik Witvrouw
INTRODUCTION: Hamstring injuries remain a significant burden in sports that involve high speed running. In elite male football, hamstring injury has repeatedly been identified as the most common noncontact injury, representing 12% of all injuries. As the incidence remains high, investigations are aimed at better understanding how to improve prevention efforts. Intrinsic risk factors such as strength have been investigated extensively in a cohort of professional football players; however, other intrinsic measures of neuromuscular function have not been studied in this cohort...
May 23, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29791924/return-to-sport-after-acl-surgery-a-comparison-between-two-different-reconstructive-techniques
#2
Matteo Baldassarri, Luca Perazzo, Diego Ghinelli, Marco Ricciarelli, Federico Pilla, Roberto Buda
The anterior cruciate ligament reconstruction (ACLR) has become a very common surgical procedure. One of the main success indicators of the surgical procedure is the return to preinjury sporting level. In recent years, reconstructive techniques have been geared toward less morbidity and optimized ligaments process to speed up the recovery of sports activity. This study compares clinical and imaging data, to evaluate the timing of return to sport, of two populations undergoing ACLR using two different techniques: ACLR with hamstring maintaining tibial insertion (MHG) and an all-inside technique with complete hamstring detachment (DHG)...
May 23, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29787934/how-not-to-interpret-a-non-causal-association-in-sports-injury-science
#3
Mette Hjerrild, Solvej Videbaek, Daniel Theisen, Laurent Malisoux, Rasmus Oestergaard Nielsen
OBJECTIVE: To discuss the interpretability of non-causal associations to sports injury development exemplified via the relationship between navicular drop (ND) and running-related injury (RRI) in novice runners using neutral shoes. DESIGN: 1-year prospective cohort study. SETTING: Denmark. PARTICIPANTS: 926 novice runners, representing 1852 feet, were included. MAIN OUTCOME MEASURE: The outcome was "a musculoskeletal complaint of the lower extremity or back caused by running, which restricted the amount of running for at least a week"...
May 16, 2018: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29787473/factors-contributing-to-medial-tibial-stress-syndrome-in-runners-a-prospective-study
#4
James Becker, Mimi Nakajima, Will F W Wu
PURPOSE: Medial tibial stress syndrome (MTSS) is one of the most common overuse injuries sustained by runners. Despite the prevalence of this injury, risk factors for developing MTSS remain unclear. The purpose of this study was to prospectively evaluate differences in passive range of motion, muscle strength, plantar pressure distributions, and running kinematics between runners who developed MTSS and those who did not. METHODS: 24 NCAA Division 1 cross country runners participated in this study...
May 22, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29772188/hamstring-and-ankle-flexibility-deficits-are-weak-risk-factors-for-hamstring-injury-in-professional-soccer-players-a-prospective-cohort-study-of-438-players-including-78-injuries
#5
Nicol van Dyk, Abdulaziz Farooq, Roald Bahr, Erik Witvrouw
BACKGROUND: Hamstring injuries remain a significant injury burden in sports such as soccer that involve high-speed running. It has repeatedly been identified as the most common noncontact injury in elite male soccer, representing 12% of all injuries. As the incidence of hamstring injuries remains high, investigations are aimed at better understanding how to prevent hamstring injuries. Stretching to improve flexibility is commonly used in elite-level sports, but risk factor studies have reported contradicting results, leading to unclear conclusions regarding flexibility as a risk factor for hamstring injuries...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29769830/low-external-workloads-are-related-to-higher-injury-risk-in-professional-male-basketball-games
#6
Toni Caparrós, Martí Casals, Álvaro Solana, Javier Peña
The primary purpose of this study was to identify potential risk factors for sports injuries in professional basketball. An observational retrospective cohort study involving a male professional basketball team, using game tracking data was conducted during three consecutive seasons. Thirty-three professional basketball players took part in this study. A total of 29 time-loss injuries were recorded during regular season games, accounting for 244 total missed games with a mean of 16.26 ± 15.21 per player and season...
June 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29765494/the-oxidant-antioxidant-equilibrium-and-inflammatory-process-indicators-after-an-exercise-test-on-the-alterg-antigravity-treadmill-in-young-amateur-female-athletes
#7
Łukasz Sielski, Paweł Sutkowy, Agnieszka Skopowska, Katarzyna Pawlak-Osińska, Zofia Augustyńska, Katarzyna Hewelt, Radosław Drapała, Alina Woźniak
The AlterG antigravity treadmill allows running with a considerable weight reduction. Physical exercise practiced on this treadmill is an innovative method supporting the treatment of injuries in sports and rehabilitation of patients. The aim of the study was to investigate the effect of a 30 min run on the AlterG treadmill with 80% body weight reduction comparing the effect to the similar effort on the classic treadmill on the redox equilibrium and the activity of selected lysosomal enzymes and a serine protease inhibitor in the blood of amateur minor female volleyball players...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29753212/quantification-of-doping-compounds-in-faecal-samples-from-racing-pigeons-by-liquid-chromatography-tandem-mass-spectrometry
#8
Fernando X Moreira, Renata Silva, Maria B André, Paula G de Pinho, Maria L Bastos, João Ruivo, Patrícia Ruivo, Helena Carmo
The use of performance enhancing drugs is not only common in humans, but also in animal sports, including racing of horses, greyhounds and pigeons. The development of accurate analytical procedures to detect doping agents in sports is crucial in order to protect the fair-play of the game, avoid financial fraud in the attribution of eventual awards and, even more important, to protect the animals from harmful drugs and/or dangerous dosage regimens. The present study aimed to develop and validate, a method that enabled the screening and confirmation of the presence of a beta-agonist (clenbuterol) and three corticosteroids (betamethasone, prednisolone and budesonide) in faeces from pigeons...
May 4, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29743069/quantifying-multi-dimensional-attributes-of-human-activities-at-various-geographic-scales-based-on-smartphone-tracking
#9
Xiaolu Zhou, Dongying Li
BACKGROUND: Advancement in location-aware technologies, and information and communication technology in the past decades has furthered our knowledge of the interaction between human activities and the built environment. An increasing number of studies have collected data regarding individual activities to better understand how the environment shapes human behavior. Despite this growing interest, some challenges exist in collecting and processing individual's activity data, e.g., capturing people's precise environmental contexts and analyzing data at multiple spatial scales...
May 9, 2018: International Journal of Health Geographics
https://www.readbyqxmd.com/read/29734881/effect-of-ubiquinol-supplementation-on-biochemical-and-oxidative-stress-indexes-after-intense-exercise-in-young-athletes
#10
Patrick Orlando, Sonia Silvestri, Roberta Galeazzi, Roberto Antonicelli, Fabio Marcheggiani, Ilenia Cirilli, Tiziana Bacchetti, Luca Tiano
OBJECTIVES: Physical exercise significantly impacts the biochemistry of the organism. Ubiquinone is a key component of the mitochondrial respiratory chain and ubiquinol, its reduced and active form, is an emerging molecule in sport nutrition. The aim of this study was to evaluate the effect of ubiquinol supplementation on biochemical and oxidative stress indexes after an intense bout of exercise. METHODS: 21 male young athletes (26 + 5 years of age) were randomized in two groups according to a double blind cross-over study, either supplemented with ubiquinol (200 mg/day) or placebo for 1 month...
December 2018: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/29731951/advanced-computational-methods-in-bio-mechanics
#11
REVIEW
Waleed M S Al Qahtani, Mohamed I El-Anwar
A novel partnership between surgeons and machines, made possible by advances in computing and engineering technology, could overcome many of the limitations of traditional surgery. By extending surgeons' ability to plan and carry out surgical interventions more accurately and with fewer traumas, computer-integrated surgery (CIS) systems could help to improve clinical outcomes and the efficiency of healthcare delivery. CIS systems could have a similar impact on surgery to that long since realised in computer-integrated manufacturing...
April 15, 2018: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29721839/association-of-lower-limb-compression-garments-during-high-intensity-exercise-with-performance-and-physiological-responses-a-systematic-review-and-meta-analysis
#12
REVIEW
César Augusto da Silva, Lucas Helal, Roberto Pacheco da Silva, Karlyse Claudino Belli, Daniel Umpierre, Ricardo Stein
BACKGROUND: Although compression garments are used to improve sports performance, methodological approaches and the direction of evidence regarding garments for use in high-intensity exercise settings are diverse. OBJECTIVES: Our primary aim was to summarize the association between lower-limb compression garments (LLCGs) and changes in sports performance during high-intensity exercise. We also aimed to summarize evidence about the following physiological parameters related to sports performance: vertical jump height (VJ), maximal oxygen uptake (VO2 max), submaximal oxygen uptake (VO2 submax), blood lactate concentrations ([La]), and ratings of perceived exertion (RPE, 6-20 Borg scale)...
May 2, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29721691/nonoperative-treatment-of-pcl-injuries-goals-of-rehabilitation-and-the-natural-history-of-conservative-care
#13
REVIEW
Dean Wang, Jessica Graziano, Riley J Williams, Kristofer J Jones
PURPOSE OF REVIEW: To review the current practices of nonoperative management of posterior cruciate ligament (PCL) injuries, the natural history of conservative care, and the latest PCL rehabilitation strategies. RECENT FINDINGS: PCL injuries often occur as part of a multiligamentous knee injury and occasionally occur in isolation. Although patients may be able to tolerate or compensate for a PCL-deficient knee, long-term outcomes after conservative care demonstrate a high rate of arthrosis in the medial and patellofemoral compartments resulting from altered knee kinematics and loads...
May 2, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29720949/active-recovery-after-high-intensity-interval-training-does-not-attenuate-training-adaptation
#14
Thimo Wiewelhove, Christoph Schneider, Alina Schmidt, Alexander Döweling, Tim Meyer, Michael Kellmann, Mark Pfeiffer, Alexander Ferrauti
Objective: High-intensity interval training (HIIT) can be extremely demanding and can consequently produce high blood lactate levels. Previous studies have shown that lactate is a potent metabolic stimulus, which is important for adaptation. Active recovery (ACT) after intensive exercise, however, enhances blood lactate removal in comparison with passive recovery (PAS) and, consequently, may attenuate endurance performance improvements. Therefore, the aim of this study was to examine the influence of regular ACT on training adaptations during a HIIT mesocycle...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29707231/preventing-lower-extremity-injury-in-elite-orienteerers-study-protocol-for-a-randomised-controlled-trial
#15
Philip von Rosen, Bodil Halvarsson
Background: The high physical load associated with running through uneven terrain contributes toorienteerers being exposed to high injury risk, where the majority of injuries are located in the lower extremities. Specific training programmes have been effective at reducing injury risk in sports. Yet no trial has been conducted in elite orienteering. The aim of this study is to investigate the effectiveness of a specific training programme in preventing lower extremity injury in adult elite orienteerers...
2018: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29701412/functional-popliteal-artery-entrapment-syndrome
#16
Luis Gamas, João Rocha Neves, Luís Machado, Ricardo Ferreira, Pedro Paz Dias, José Teixeira
INTRODUCTION: Popliteal artery entrapment is an uncommon syndrome, caused by extrinsic compression of the popliteal artery by muscular or tendinous structures. It occurs mainly in young individuals, with no atherosclerostic risk factors, and a mean age of presentation of 20 to 40 years, and has higher prevalence in males (83% of patients). Clinical presentation depends on the degree of arterial lesion, the most common being intermittent claudication, with critical ischemia being frequent...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29688149/a-6-minute-sub-maximal-run-test-to-predict-vo-2-max
#17
Marcos Matabuena, Juan C Vidal, Philip R Hayes, Fernando Huelin Trillo
Maximal oxygen uptake ([Formula: see text] max) is a key indicator to assess health as well as sports performance. Currently, maximal exercise testing is the most accurate measure of maximal aerobic power, since submaximal approaches are still imprecise. In this paper, we propose a new method to predict [Formula: see text] max from a submaximal, low intensity, test in sports men and women. 182 males and 108 females from the High Performance Center of Pontevedra (Spain), aged 10-46 years old, with a [Formula: see text] max between 30...
April 24, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29674008/applying-systems-ergonomics-methods-in-sport-a-systematic-review
#18
Adam Hulme, Jason Thompson, Katherine L Plant, Gemma J M Read, Scott Mclean, Amanda Clacy, Paul M Salmon
INTRODUCTION: As sports systems become increasingly more complex, competitive, and technology-centric, there is a greater need for systems ergonomics methods to consider the performance, health, and safety of athletes in context with the wider settings in which they operate. Therefore, the purpose of this systematic review was to identify and critically evaluate studies which have applied a systems ergonomics research approach in the context of sports performance and injury management...
April 16, 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29669551/public-support-for-government-regulatory-interventions-for-overweight-and-obesity-in-australia
#19
Emma Sainsbury, Chelsea Hendy, Roger Magnusson, Stephen Colagiuri
BACKGROUND: There is growing recognition among public health circles of the need for regulatory action for overweight and obesity, but there has been limited research into whether the Australian public supports government intervention. This study aimed to determine the level of public support for food-related regulations for obesity, and to assess the determinants of support. METHODS: A nationally representative sample of Australian adults (n = 2011) was recruited by market research company Online Research Unit to complete an online survey...
April 18, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29667034/thermal-comfort-along-the-marathon-course-of-the-2020-tokyo-olympics
#20
Tsuyoshi Honjo, Yuhwan Seo, Yudai Yamasaki, Nobumitsu Tsunematsu, Hitoshi Yokoyama, Hiroaki Yamato, Takehiko Mikami
The Olympic Games will be held in Tokyo in 2020 and the period will be the hottest period of the year in Japan. Marathon is a sport with a large heat load, and it is said that the risk of heat stroke rises more than other sports activities. The thermal environment of the 2020 Tokyo Olympic marathon course is analyzed by using wet-bulb globe temperature (WBGT) and Universal Thermal Climate Index (UTCI) map of the center area of Tokyo. The change due to the place, the effect of the shadow of the building, and the position on the course was analyzed from the distribution of WBGT and UTCI in the short-term analysis of sunny day from August 2 to August 6, 2014...
April 17, 2018: International Journal of Biometeorology
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