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https://www.readbyqxmd.com/read/28717518/the-sharing-of-radiological-images-by-professional-mixed-martial-arts-fighters-on-social-media
#1
George Rahmani, Cormac W Joyce, Peter McCarthy
BACKGROUND: Mixed martial arts is a sport that has recently enjoyed a significant increase in popularity. This rise in popularity has catapulted many of these "cage fighters" into stardom and many regularly use social media to reach out to their fans. An interesting result of this interaction on social media is that athletes are sharing images of their radiological examinations when they sustain an injury. PURPOSE: To review instances where mixed martial arts fighters shared images of their radiological examinations on social media and in what context they were shared...
June 2017: Acta Radiologica Open
https://www.readbyqxmd.com/read/28714773/impact-of-martial-arts-judo-karate-and-kung-fu-on-bone-mineral-density-gains-in-adolescents-of-both-genders-9-month-follow-up-martial-arts-and-bone-density
#2
Igor H Ito, Han C G Kemper, Ricardo R Agostinete, Kyle R Lynch, Diego G D Christofaro, Enio R Ronque, Rômulo A Fernandes
PURPOSE: To compare bone mineral density gains in adolescents of both genders stratified according to different martial art styles in a 9-month follow-up study. METHODS: The longitudinal study consisted of 29 adolescents of both genders and age between 11 and 17 years stratified into control group ([CG] not engaged in any sport) and 50 fighters (Kung-fu / karate-KF / KT, n = 29; Judo, n = 21). All 79 subjects underwent anthropometric measures (weight, height, leg length and height set), dual energy x-ray absorptiometry (Bone Mineral Density [BMD], in g/cm(2)) at two moments, baseline and nine months later...
July 17, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28659231/exercise-and-gut-microbiota-clinical-implications-for-the-feasibility-of-tai-chi
#3
REVIEW
Hidetaka Hamasaki
Recent studies have shown exercise is associated with changes in the gut microbiota in humans as well as in experimental animals. Tai Chi is an exercise that integrates a martial art, deep breathing and mediation, and has various beneficial effects for health. This review summarizes current knowledge and recent literature on the association between exercise and gut microbiota, and explores the feasibility of Tai Chi for improving gut microbiota composition and function. PubMed/MEDLINE was used to search the English literature for the keywords exercise and gut microbiota...
July 2017: Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28658085/mixed-martial-arts-induces-significant-fatigue-and-muscle-damage-up-to-24-hours-post-combat
#4
Nihel Ghoul, Montassar Tabben, Bianca Miarka, Claire Tourny, Karim Chamari, Jeremy Coquart
This study investigates the physiological/physical responses to a simulated mixed martial arts (MMA) competition over 24 hr. Twelve fighters performed a simulated MMA competition, consisting of three 5-min MMA matches. Physiological/physical data were assessed before (Trest), directly after round 1 (Trd1), round 2 (Trd2) and round 3 (Trd3), and then 30-min (Trecovery30min) and/or 24-hr (Trecovery24h) post-competition. Heart rate (HR), rating of perceived exertion (RPE) and blood lactate concentration ([La]) were assessed at Trest, Trd1, Trd2 and Trd3...
June 22, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28650763/posttraumatic-retronychia-of-the-foot-with-clinical-and-ultrasound-correlation
#5
Mariana Pizarro, Nicolás Pieressa, Ximena Wortsman
Retronychia, the posterior embedding of the nail bed into the proximal nail fold, can be a complex clinical dermatologic diagnosis that may mimic other inflammatory ungual diseases or tumors of the nail. It has been related to a history of severe systemic conditions that secondarily affect the nail matrix and is commonly associated with onychomadesis. We present a case of retronychia of the foot with a purely traumatic origin, nonconcomitant with onychomadesis, that was diagnosed by color Doppler ultrasound in a long-time practitioner of martial arts who was otherwise healthy...
May 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28647925/psychobehavioral-effects-of-meditation
#6
Mieczyslaw Pokorski, Anna Suchorzynska
Meditation is an increasingly popular psychobehavioral therapy. Various meditation techniques in use make it hard to objectively scrutinize the psychological benefits. Therefore, in this study we set out to examine the effects of two fundamentally different meditative techniques, Zazen, 'seated meditation', in which the body and mind are calmed, and Tai Chi, 'meditation in motion', based on energetic martial art performance. The aim was to compare the effects of both techniques on personality structure, emotional intelligence, mood, and coping with stress...
June 25, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28620336/how-to-trick-your-opponent-a-review-article-on-deceptive-actions-in-interactive-sports
#7
REVIEW
Iris Güldenpenning, Wilfried Kunde, Matthias Weigelt
Performing deceptive actions is a wide-spread phenomenon in sports and it is of considerable practical relevance to know whether or not a fake or a disguised action decreases the opponents' performance. Therefore, research on deceptive actions for various sport disciplines (e.g., cricket, rugby, martial arts, soccer, and basketball) has been conducted. This research is scattered, both across time and scientific disciplines. Here, we aim to systematically review the empirical work on deceptive actions in interactive sports and want to give an overview about several issues investigated in the last decades...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28577395/investigating-the-social-behavioral-dynamics-and-differentiation-of-skill-in-a-martial-arts-technique
#8
Robert R Caron, Charles A Coey, Ashley N Dhaim, R C Schmidt
Coordinating interpersonal motor activity is crucial in martial arts, where managing spatiotemporal parameters is emphasized to produce effective techniques. Modeling arm movements in an Aikido technique as coupled oscillators, we investigated whether more-skilled participants would adapt to the perturbation of weighted arms in different and predictable ways compared to less-skilled participants. Thirty-four participants ranging from complete novice to veterans of more than twenty years were asked to perform an Aikido exercise with a repeated attack and response, resulting in a period of steady-state coordination, followed by a take down...
August 2017: Human Movement Science
https://www.readbyqxmd.com/read/28503415/kickboxing-power-hour-case-report-of-fifth-metatarsal-apophysitis-iselin-disease-and-its-magnetic-resonance-imaging-features
#9
Nishant Gupta, Komal Sharma, Itisha Bansal, Yogesh Kumar, Daichi Hayashi
Youth now-a-days are getting more involved in mixed martial arts, with increasing number of cases of lateral foot pain due to various causes. The differential diagnoses of lateral foot pain in the pediatric population include avulsion fracture of the fifth metatarsal base, Jones fracture, diaphyseal stress fracture as well as os vesalianum pedis. We present a case of a 15-year-old athletic boy who presented with left lateral foot pain for a few weeks. The patient was actively involved in Kickboxing as well as active running...
April 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28480690/cognitive-and-personality-factors-in-the-regular-practice-of-martial-arts
#10
Rosa A Fabio, Giulia E Towey
BACKGROUND: The effects of regular practice of martial arts is considered controversial and studies in this field limited their attention to singular psychological benefits. The aim of this study is to examine the relationship between the regular practice of martial arts and cognitive and personality factors, such as: attention, creativity and school performance, together with, self-esteem, self-efficacy and aggression. METHODS: The design consists in a factorial design with two independent variables (groups and age levels) and seven dependent variables (attention, creativity, intelligence, school performance, self-esteem, self-efficacy and aggression)...
May 5, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28441943/return-to-sports-after-plate-fixation-of-humeral-head-fractures-65-cases-with-minimum-24-month-follow-up
#11
Philipp Ahrens, Frank Martetschläger, Sebastian Siebenlist, Johann Attenberger, Moritz Crönlein, Peter Biberthaler, Ulrich Stöckle, Gunther H Sandmann
BACKGROUND: Humeral head fractures requiring surgical intervention are severe injuries, which might affect the return to sports and daily activities. We hypothesize that athletic patients will be constrained regarding their sporting activities after surgically treated humeral head fractures. Despite a long rehabilitation program physical activities will change and an avoidance of overhead activities will be noticed. METHODS: Case series with 65 Patients, with a minimum follow-up of 24 months participated in this study...
April 26, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28437271/surgical-management-of-traumatic-peripheral-osteoma-of-the-mandible
#12
André Bachega Gomes Geron, Vinícius Almeida Carvalho, Jessica Luana Dos Santos, Luciana Yamamoto Almeida, Jorge Esquiche León, Alexandre Elias Trivellato, Cássio Edvard Sverzut
Osteomas are benign osteogenic lesions that result from the proliferation of mature bone. Three variants are known: central, peripheral, and extraskeletal. The peripheral variant is the most common and it most frequently affects the paranasal sinuses, rarely occurring in the jaws. This article describes the case of a 33-year-old white male patient who was referred complaining of facial asymmetry. Clinical examination revealed an increase in volume at the base of the right side of the mandible, hard bony consistency and well delimited, painless to the touch, without signs of infection or intraoral alterations...
June 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28324957/evaluation-of-skills-in-swing-technique-in-classical-japanese-swordsmanship-using-sensors
#13
S Okamoto
In this study, we analyzed the swing motions of more experienced practitioner and new practitioner of iaido players by using tri-axial acceleration sensor and gyro sensor. Iaido is a modern Japanese martial art/sport. In this way, the acceleration and gyro sensor measurement enabled detailed motion information at the installation points to be displayed in a short time, thus making it possible to easily extract the objective problems. Although it was not possible to confirm by the acceleration and angular velocity measurements the detailed motion of the entire body as obtained in the 2D motion analysis with a high-speed camera, it was confirmed that the acceleration and gyro sensor is an evaluation means that can be installed easily and can provide the exercise information in a short time as an objective index...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28290499/the-evolution-of-extreme-cooperation-via-shared-dysphoric-experiences
#14
Harvey Whitehouse, Jonathan Jong, Michael D Buhrmester, Ángel Gómez, Brock Bastian, Christopher M Kavanagh, Martha Newson, Miriam Matthews, Jonathan A Lanman, Ryan McKay, Sergey Gavrilets
Willingness to lay down one's life for a group of non-kin, well documented historically and ethnographically, represents an evolutionary puzzle. Building on research in social psychology, we develop a mathematical model showing how conditioning cooperation on previous shared experience can allow individually costly pro-group behavior to evolve. The model generates a series of predictions that we then test empirically in a range of special sample populations (including military veterans, college fraternity/sorority members, football fans, martial arts practitioners, and twins)...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28242060/estimating-severity-of-sideways-fall-using-a-generic-multi-linear-regression-model-based-on-kinematic-input-variables
#15
A M van der Zijden, B E Groen, E Tanck, B Nienhuis, N Verdonschot, V Weerdesteyn
Many research groups have studied fall impact mechanics to understand how fall severity can be reduced to prevent hip fractures. Yet, direct impact force measurements with force plates are restricted to a very limited repertoire of experimental falls. The purpose of this study was to develop a generic model for estimating hip impact forces (i.e. fall severity) in in vivo sideways falls without the use of force plates. Twelve experienced judokas performed sideways Martial Arts (MA) and Block ('natural') falls on a force plate, both with and without a mat on top...
January 31, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28207671/a-silver-medal-winner-at-the-13th-world-wu-shu-championship-2015-17-months-after-selective-thoracic-fusion-for-adolescent-idiopathic-scoliosis-a-case-report
#16
Chris Yin Wei Chan, Izzuddin Aziz, Fong Wei Chai, Mun Keong Kwan
STUDY DESIGN: Case report. OBJECTIVE: To report the successful rehabilitation and the training progress of an elite high performance martial art exponent after selective thoracic fusion for Adolescent Idiopathic Scoliosis (AIS). SUMMARY OF BACKGROUND DATA: Posterior spinal fusion for AIS will result in loss of spinal flexibility. The process of rehabilitation after posterior spinal fusion for AIS remains controversial and there are few reports of return to elite sports performance after posterior spinal fusion for AIS...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28205480/extensor-tendon-instability-due-to-sagittal-band-injury-in-a-martial-arts-athlete-a-case-report
#17
Andrew Kochevar, Ghazi Rayan
A Taekwondo participant sustained a hand injury from punching an opponent that resulted in painful instability of the ring finger extensor digitorum communis tendon due to sagittal band damage. His symptoms resolved after reconstructive surgery on the sagittal band (SB) with stabilization of the extensor tendon over the metacarpophalangeal joint.
March 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28177718/the-physiological-response-to-cold-water-immersion-following-a-mixed-martial-arts-training-session
#18
Angus Lindsay, Sam Carr, Sean Cross, Carl Petersen, John G Lewis, Steven P Gieseg
Combative sport is one of the most physically intense forms of exercise, yet the effect of recovery interventions has been largely unexplored. We investigated the effect of cold-water immersion on structural, inflammatory, and physiological stress biomarkers following a mixed martial arts (MMA) contest preparation training session in comparison with passive recovery. Semiprofessional MMA competitors (n = 15) were randomly assigned to a cold-water immersion (15 min at 10 °C) or passive recovery protocol (ambient air) completed immediately following a contest preparation training session...
May 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28135226/differences-by-ending-rounds-and-other-rounds-in-time-motion-analysis-of-mixed-martial-arts-implications-for-assessment-and-training
#19
Bianca Miarka, Ciro José Brito, Danilo Gomes Moreira, John Amtmann
This study aimed to support training program development through the comparison of performance analysis of professionals mixed martial arts (MMA) athletes in the bouts that were not finished by points. Using digital recordings of each bout, we analyzed 1,564 rounds (678 bouts) which were separated by Ending and other Rounds. Our results indicated that KO/TKO is the main outcome that defines the ending round (≈60%), however, there is a higher frequency of ending by submission on the 1 and 2 round (>30%)...
January 20, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28121945/musculoskeletal-profile-of-middle-aged-ving-tsun-chinese-martial-art-practitioners-a-cross-sectional-study
#20
Shirley S M Fong, Jessie S M Chan, Young-Hyeon Bae, Timothy T T Yam, Louisa M Y Chung, Ada W W Ma, Raija Kuisma
This cross-sectional exploratory study aimed to quantify and compare the axial and appendicular bone mineral density (BMD), muscle mass, and muscle strength of middle-aged practitioners of Ving Tsun (VT; a hard-style Chinese martial art) with those of nonpractitioners.Eighteen VT practitioners (mean age ± standard deviation = 51.8 ± 17.7 years; 12 men and six women) and 36 active controls (mean age ± standard deviation = 58.7 ± 11.0 years; 18 men and 18 women) participated in the study...
January 2017: Medicine (Baltimore)
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