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https://www.readbyqxmd.com/read/29662781/the-effect-of-chinese-martial-arts-tai-chi-chuan-on-prevention-of-osteoporosis-a-systematic-review
#1
REVIEW
Tsz Ho Chow, Bo Yee Lee, Adrian Bing Fung Ang, Veronica Yi Ki Cheung, Michelle Man Ching Ho, Saori Takemura
Background/Objective: Tai Chi Chuan (TCC) is suggested to have beneficial effects on the musculoskeletal system. The aim of this systematic review is to evaluate the evidence of the effect of TCC on bone mineral density (BMD) and its potential for prevention of osteoporosis. Methods: A literature search was conducted using PubMed, Embase, and Cochrane databases from inception to January 2017. Randomized controlled studies, case-control trials, prospective cohort studies, and cross-sectional studies which evaluated the effect of TCC on BMD were selected without any subject or language restriction...
January 2018: Journal of Orthopaedic Translation
https://www.readbyqxmd.com/read/29649022/effectiveness-of-chinese-martial-arts-and-philosophy-to-reduce-reactive-and-proactive-aggression-in-schoolchildren
#2
Annis Lai Chu Fung, Toney Ka Hung Lee
OBJECTIVE: This study examined the effectiveness of Chinese martial arts in reducing reactive and proactive aggressive behavior among schoolchildren with a cluster-randomized trial. METHODS: A screening questionnaire was completed by 3511 schoolchildren of Grades 2 to 5 from 13 sites in Hong Kong. We shortlisted 298 children who scored z ≥ 1 on the total score of the Reactive-Proactive Aggression Questionnaire in their respective sites to participate in the experiment...
April 10, 2018: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/29619792/degree-of-vision-impairment-influence-the-fight-outcomes-in-the-paralympic-judo-a-10-year-retrospective-analysis
#3
Evgeny Mashkovskiy, Ayshat Magomedova, Evgeny Achkasov
INTRODUCTION: In the International Blind Sports Federation (IBSA) judo Sports Classes B1, B2, and B3 compete against each other within weight- and gender-specific categories. B1 athletes are totally blind, whereas B2 and B3 are partially sighted. PURPOSE: The aim of this study is to examine the impact of the degree of vision impairment on fight outcomes. METHODS: We analysed 1,936 fights from official competitions and compare win ratio in fights between discordant Sports Classes...
April 4, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29568853/popliteal-artery-entrapment-syndrome-in-a-singaporean-mixed-martial-arts-fighter
#4
LETTER
Dinesh Sirisena, Chuo Ren Leong, Paul Poh Lye See, Chin Sim Teoh
No abstract text is available yet for this article.
February 2018: Singapore Medical Journal
https://www.readbyqxmd.com/read/29554189/incidence-and-risk-of-concussions-in-youth-athletes-comparisons-of-age-sex-concussion-history-sport-and-football-position
#5
William T Tsushima, Andrea M Siu, Hyeong Jun Ahn, Bolin L Chang, Nathan M Murata
Objective: This study was designed to determine concussion incidence, risk, and relative risk among middle and high school athletes participating in various sports. Method: Data were retrospectively obtained from 10,334 athletes of 12 different sports in Hawaii. In addition to determining the overall concussion incidence, comparisons of incidence, risk, and relative risk were made according to age, sex, concussion history, sport, and football position. Results: The overall incidence of concussion among youth athletes was 1,250 (12...
March 15, 2018: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/29542330/revealing-the-neural-mechanisms-underlying-the-beneficial-effects-of-tai-chi-a-neuroimaging-perspective
#6
Angus P Yu, Bjorn T Tam, Christopher W Lai, Doris S Yu, Jean Woo, Ka-Fai Chung, Stanley S Hui, Justina Y Liu, Gao X Wei, Parco M Siu
Tai Chi Chuan (TCC), a traditional Chinese martial art, is well-documented to result in beneficial consequences in physical and mental health. TCC is regarded as a mind-body exercise that is comprised of physical exercise and meditation. Favorable effects of TCC on body balance, gait, bone mineral density, metabolic parameters, anxiety, depression, cognitive function, and sleep have been previously reported. However, the underlying mechanisms explaining the effects of TCC remain largely unclear. Recently, advances in neuroimaging technology have offered new investigative opportunities to reveal the effects of TCC on anatomical morphologies and neurological activities in different regions of the brain...
2018: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/29526055/knowledge-and-attitudes-about-sports-related-dental-injuries-and-mouthguard-use-in-young-athletes-in-four-different-contact-sports-water-polo-karate-taekwondo-and-handball
#7
Tea Galic, Domagoj Kuncic, Tina Poklepovic Pericic, Ivan Galic, Frane Mihanovic, Josko Bozic, Mark Herceg
BACKGROUND/AIMS: The increasing popularity of participating in sports activities among children and adolescents has increased the risk of sports-retaled orofacial and dental injuries. Therefore, it is important to establish efficient preventive strategies regarding sports-related dental trauma The aim of this study was to evaluate the occurrence of sports-related dental injuries in young athletes and to compare the frequency of such injuries between high-risk and medium-risk sports, along with assessing athletes' attitudes and habits regarding mouthguard use...
March 11, 2018: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/29511654/injury-survey-in-choi-kwang-do-ckd-martial-art-practitioners-around-the-world-ckd-is-a-safe-form-of-training-for-adults
#8
Yong-Seok Jee, Denny Eun
Among the many sports and activities to choose from, martial arts are becoming increasingly popular for health and fitness. Due to the different nature of the various styles of martial arts, injuries are not uncommon. Though there have been studies on the injury rates of several martial art styles, there have been none regarding Choi Kwang Do (CKD), a noncompetitive martial art with relaxed and fluid movements designed to promote health and fitness for people of all ages. The purpose of this study was to examine the rate of injury for adults training in CKD to find out whether this is a safe style of martial art for adults...
February 2018: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29489715/force-velocity-relationship-in-three-different-variations-of-prone-row-exercises
#9
Irineu Loturco, Timothy Suchomel, Ronaldo Kobal, Ademir F S Arruda, Aristide Guerriero, Lucas A Pereira, Chi Nan Pai
This study examined the force-velocity relationship and tested the possibility of determining the relative loading intensity (% 1RM) in three different variations of prone row exercises. Thirty male top-level athletes from two different sports (National Team rugby union players and professional mixed martial arts fighters) were submitted to maximum dynamic strength assessments in the free prone bench pull, bent over barbell row, and bent over Smith-machine row, following standard procedures encompassing lifts performed from 40 to 100% of 1RM...
February 27, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29472878/the-effects-of-martial-arts-training-on-attentional-networks-in-typical-adults
#10
Ashleigh Johnstone, Paloma Marí-Beffa
There is substantial evidence that training in Martial Arts is associated with improvements in cognitive function in children; but little has been studied in healthy adults. Here, we studied the impact of extensive training in Martial Arts on cognitive control in adults. To do so, we used the Attention Network Test (ANT) to test two different groups of participants: with at least 2 years of Martial Arts experience, and with no experience with the sport. Participants were screened from a wider sample of over 500 participants who volunteered to participate...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29470505/grunting-s-competitive-advantage-considerations-of-force-and-distraction
#11
Scott Sinnett, Cj Maglinti, Alan Kingstone
BACKGROUND: Grunting is pervasive in many athletic contests, and empirical evidence suggests that it may result in one exerting more physical force. It may also distract one's opponent. That grunts can distract was supported by a study showing that it led to an opponent being slower and more error prone when viewing tennis shots. An alternative explanation was that grunting masks the sound of a ball being hit. The present study provides evidence against this alternative explanation by testing the effect of grunting in a sport-mixed martial arts-where distraction, rather than masking, is the most likely mechanism...
2018: PloS One
https://www.readbyqxmd.com/read/29420793/injuries-sustained-during-modern-army-combatives-tournaments
#12
Jonathan I Stuart, Ian L Hudson, Simon A Sarkisian, Michael P Simpson, Benjamin P Donham
Introduction: Injuries sustained during Modern Army Combatives (MAC) tournaments can result in variable recovery time for involved competitors and unpredictable loss of readiness for military units. A paucity of MAC data is available to guide military medical providers and unit commanders on expected injuries or loss of readiness. Literature reviewing mixed martial arts competitions offers some insight but demonstrates variation in fight outcomes resulting in injuries ranging from 8.5% to 70% and it is difficult to effectively extrapolate such data to predict MAC tournament injuries...
February 6, 2018: Military Medicine
https://www.readbyqxmd.com/read/29393677/effects-of-repetitive-subconcussive-head-trauma-on-the-neuropsychological-test-performance-of-high-school-athletes-a-comparison-of-high-moderate-and-low-contact-sports
#13
William T Tsushima, Hyeong Jun Ahn, Andrea M Siu, Kara Yoshinaga, So Yung Choi, Nathan M Murata
The aim of this study was to examine the neuropsychological test results of non-concussed high school athletes playing at three different levels of contact sports. Based on the concussion risk data of 12 different sports, a High Contact group (n=2819; wrestling/martial arts, cheerleading, track and field, football), a Moderate Contact group (n=2323; softball, basketball, soccer), and a Low Contact group (n=1580; baseball, volleyball, water polo, tennis, cross-country) were formed and compared in terms of their scores on the Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT)...
February 2, 2018: Applied Neuropsychology. Child
https://www.readbyqxmd.com/read/29351948/order-from-chaos-unravelling-the-determinants-of-mixed-martial-arts-performance
#14
Lachlan Peter James
No abstract text is available yet for this article.
January 19, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29347856/systematic-review-of-injuries-in-mixed-martial-arts
#15
Roger E Thomas, Bennett C Thomas
OBJECTIVES: To assess injury rates in all mixed martial arts (MMA) studies. METHODS: Six online databases were searched until November 2017 including MEDLINE, EMBASE, CINAHL, Web of Science, PubMed, Google/Google Scholar and conference proceedings. All included studies were entered in Pub Med Single Citation Matcher and all citation chains followed. Abstracts and titles were assessed for relevance, data independently abstracted and risk of bias for all competition studies evaluated independently by two reviewers...
January 25, 2018: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29330780/safety-in-mixed-martial-arts-a-7-year-review-of-cancelled-mma-bouts-in-calgary-alberta-during-the-pre-bout-medical-examination-period
#16
Gwynn Curran-Sills
BACKGROUND: Presently, there is no literature that examines the reasons for the cancellation of amateur or professional mixed martial arts (MMA) bouts. The purpose of this study was to review the circumstances that lead to the cancellation of MMA bouts by Calgary ringside physicians during the pre-bout examination period and to identify any emerging patterns that may guide the regulatoin of this sport. METHODS: The case-series  was constructed from the Calgary Combative Sports Commission pre-bout examination records and the medical records submitted by each athlete from January 2010 to December 2016...
January 12, 2018: Sports Medicine—Open
https://www.readbyqxmd.com/read/29290603/axial-load-transmission-through-the-elbow-during-forearm-rotation
#17
Jung-Taek Hwang, Youngbok Kim, Daniel R Bachman, Maegan N Shields, Lawrence J Berglund, Alessandro T Fitzsimmons, James S Fitzsimmons, Shawn W O'Driscoll
BACKGROUND: Forearm rotation is closely associated with the axiorotational force transmission through the elbow joint. A technique has been developed to study the transmission of force across the radiocapitellar and ulnotrochlear joints during forearm rotation. METHODS: Ten human cadaveric upper limbs were prepared on a custom-designed apparatus that permits the application of extrinsic axial loads across an intact cadaveric elbow joint. A force-sensitive transducer was inserted into the elbow joint of each cadaver...
March 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29283792/weight-loss-strategies-in-combat-sports-and-concerning-habits-in-mixed-martial-arts
#18
Oliver R Barley, Dale W Chapman, Chris R Abbiss
PURPOSE: Combat sports are typically divided into weight classes and body mass manipulation to reach a weight class is commonplace. Previous research suggests that mixed martial arts (MMA) weight loss practices may be more extreme than other combat sports. We sought to investigate the magnitude of weight lost and prevalence of weight loss strategies in different combat sports. METHODS: Competitors (n=637) from Brazilian jiu jitsu (BJJ), boxing, judo, MMA, muay Thai/kickboxing (MT/K), taekwondo (TKD) and wrestling completed an online questionnaire seeking information regarding their weight loss practices...
December 28, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29259831/sport-related-portal-vein-thrombosis-an-unusual-complication
#19
Igor Dumic, Nikola Tankosic, Milica Stojkovic Lalosevic, Tamara Alempijevic
Portal vein thrombosis (PVT) is an uncommon condition usually associated with hypercoagulable states or liver cirrhosis. PVT due to sports-related injuries is rarely reported and, to the best of our knowledge, only two cases have been reported thus far. Brazilian jiu-jitsu (BJJ) is a form of martial arts and is considered very safe with minimal risk for injury. It has growing popularity worldwide. Here, we report the first case of PVT secondary to abdominal trauma related to the practice of (BJJ) in an otherwise healthy 32-year-old man with no other traditional risk factors for PVT...
2017: Case Reports in Hepatology
https://www.readbyqxmd.com/read/29207537/a-robust-indoor-outdoor-navigation-filter-fusing-data-from-vision-and-magneto-inertial-measurement-unit
#20
David Caruso, Alexandre Eudes, Martial Sanfourche, David Vissière, Guy Le Besnerais
Visual-inertial Navigation Systems (VINS) are nowadays used for robotic or augmented reality applications. They aim to compute the motion of the robot or the pedestrian in an environment that is unknown and does not have specific localization infrastructure. Because of the low quality of inertial sensors that can be used reasonably for these two applications, state of the art VINS rely heavily on the visual information to correct at high frequency the drift of inertial sensors integration. These methods struggle when environment does not provide usable visual features, such than in low-light of texture-less areas...
December 4, 2017: Sensors
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