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https://www.readbyqxmd.com/read/28198605/the-effect-of-gymnastic-training-on-muscle-strength-and-co-activation-during-isometric-elbow-and-glenohumeral-flexion-extension
#1
Andrzej Kochanowicz, Bartłomiej Niespodziński, Jan Mieszkowski, Kazimierz Kochanowicz, Stanisław Sawczyn
BACKGROUND: The purpose of the study was to demonstrate the differences between non- athletes and gymnasts at the pre- and post-pubertal age in the development of peak torque and ensuing flexion/extension ratios at the elbow and the glenohumeral joints, as well as to assess the relevance of the above activities for the co-activation of selected muscles. METHODS: The study involved 20 gymnasts and 20 non-athletes aged 8-9 years, in addition to 12 gymnasts and 16 non-athletes aged 18-25 years...
February 14, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28198603/training-intensity-and-sagittal-curvature-of-the-spine-in-male-and-female-artistic-gymnasts
#2
Jose M Sanz-Mengibar, Pilar Sainz-DE-Baranda, Fernando Santonja-Medina
BACKGROUND: Specific adaptations of the spine in the sagittal plane have been described according to different sports disciplines. The goal of this study was to describe the integrative diagnosis of the sagittal morphotype of the spine in male and female artistic gymnasts. METHODS: 48 gymnasts were measured with an inclinometer. Thoracic and Lumbar curves were quantified in standing position, in Sit and Reach and Slump Sitting in order to assess the sagittal spine posture and analyze if adaptations were related to training intensity...
February 14, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28149408/maximal-power-of-the-lower-limbs-of-youth-gymnasts-and-biomechanical-indicators-of-the-forward-handspring-vault-versus-the-sports-result
#3
Andrzej Kochanowicz, Kazimierz Kochanowicz, Bartłomiej Niespodziúski, Jan Mieszkowski, Piotr Aschenbrenner, Grzegorz Bielec, Mirosława Szark-Eckardt
The aim of the study was to define the relationship between maximal power of lower limbs, the biomechanics of the forward handspring vault and the score received during a gymnastics competition. The research involved 42 gymnasts aged 9-11 years competing in the Poland's Junior Championships. The study consisted of three stages: first -estimating the level of indicators of maximal power of lower limbs tested on a force plate during the countermovement jump; second - estimating the level of biomechanical indicators of the front handspring vault...
December 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28149388/an-investigation-into-the-relationship-between-pre-competition-mood-states-age-gender-and-a-national-ranking-in-artistic-gymnastics
#4
Dóra Boldizsár, István Soós, Ian Whyte, Pál Hamar
This study investigated the relationship between pre-competition mood state factors in gymnastics by gender, age and a national ranking. Participant-gymnasts (total n=116, male n=49, female n=67) completed a Brunel Mood Scale (BRUMS) one day prior to their main competition of the year. Information was also gathered from gymnasts of gender, age and a national ranking. Consistent with theoretical predictions, results confirmed that a number of pre-competition mood states differed by age with both juniors and seniors having a higher level of anger than children (p<...
June 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28149377/the-relative-contribution-of-physical-fitness-to-the-technical-execution-score-in-youth-rhythmic-gymnastics
#5
Olyvia Donti, Gregory C Bogdanis, Maria Kritikou, Anastasia Donti, Kalliopi Theodorakou
This study examined the association between physical fitness and a technical execution score in rhythmic gymnasts varying in the performance level. Forty-six young rhythmic gymnasts (age: 9.9 ±1.3 years) were divided into two groups (qualifiers, n=24 and non-qualifiers, n=22) based on the results of the National Championships. Gymnasts underwent a series of physical fitness tests and technical execution was evaluated in a routine without apparatus. There were significant differences between qualifiers and non-qualifiers in the technical execution score (p=0...
June 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28141870/cellular-stress-response-gene-expression-during-upper-and-lower-body-high-intensity-exercises
#6
Andrzej Kochanowicz, Stanisław Sawczyn, Bartłomiej Niespodziński, Jan Mieszkowski, Kazimierz Kochanowicz, Małgorzata Żychowska
OBJECTIVES: The aim was to compare the effect of upper and lower body high-intensity exercise on chosen genes expression in athletes and non-athletes. METHOD: Fourteen elite male artistic gymnasts (EAG) aged 20.6 ± 3.3 years and 14 physically active men (PAM) aged 19.9 ± 1.0 years performed lower and upper body 30 s Wingate Tests. Blood samples were collected before, 5 and 30 minutes after each effort to assess gene expression via PCR. RESULTS: Significantly higher mechanical parameters after lower body exercise was observed in both groups, for relative power (8...
2017: PloS One
https://www.readbyqxmd.com/read/28139042/incidence-and-risk-factors-of-injuries-and-their-impact-on-academic-success-a-prospective-study-in-pete-students
#7
S Bliekendaal, L Goossens, J H Stubbe
Injuries can have a major impact on the physical performance and academic career of physical education teacher education (PETE) students. To investigate the injury problem, risk factors, and the impact of injuries on academic success, 252 PETE students were followed during their first semester. Risk factor analysis was conducted by means of logistic regression analysis with a differentiation for upper body, lower body, acute, overuse, and severe injuries. An incidence of 1.26 injuries/student/semester was found...
January 30, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28127637/-motor-skills-and-safety-of-patients-with-bi-or-trimalleolar-ankle-injury-comparison-with-healthy-active-age-matched-control-subjects
#8
Dana Loudovici-Krug, Monique Benkenstein, Steffen Derlien, Norman Best
OBJECTIVE: Do patients with bi- or trimalleolar ankle injury show differences in motor skills and safety in comparison with healthy, active, age-matched control subjects? STUDY DESIGN: Prospective controlled cross-sectional study. METHODS: Inclusion of 17 patients with bi- or trimalleolar ankle injury (mean 1.5 years postsurgery) and 23 healthy, active subjects of comparable age (fitness studio). Measurement instruments: motor test procedures and questionnaires...
January 26, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28118030/the-epidemiology-of-severe-injuries-sustained-by-national-collegiate-athletic-association-student-athletes-2009-2010-through-2014-2015
#9
Melissa C Kay, Johna K Register-Mihalik, Aaron D Gray, Aristarque Djoko, Thomas P Dompier, Zachary Y Kerr
CONTEXT:  Few researchers have described the incidence of the most severe injuries sustained by student-athletes at the collegiate level. OBJECTIVE:  To describe the epidemiology of severe injuries within 25 National Collegiate Athletic Association (NCAA) sports in the 2009-2010 through 2014-2015 academic years. DESIGN:  Descriptive epidemiology study. SETTING:  Aggregate injury and exposure data from 25 NCAA sports...
January 24, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28102172/dr-j%C3%A3-zef-aleksiewicz-activity-in-support-of-the-development-of-orthopedics-and-rehabilitation-in-iwonicz-zdr%C3%A3-j-1921-1957
#10
Sławomir Jandziś, Stanisław Zaborniak
Based on source materials in the possession of Józef Aleksiewicz family (typescripts, manuscripts, photographs, other documents) and articles published in professional medical journals and newspapers, the authors present the contribution of Dr. J. Aleksiewicz to the development of orthopedics and rehabilitation in Iwonicz-Zdrój. In May 1921, he was appointed Surgeon General of the Spa Commission in Iwonicz-Zdrój. After holding several scholarly trips abroad in 1925 to sanatoriums treating cases of osteo-articular tuberculosis, he commenced the construction of "Sanato", a modern sanatorium...
August 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28061756/a-novel-method-to-promote-physical-activity-among-older-adults-in-residential-care-an-exploratory-field-study-on-implicit-social-norms
#11
Margot A Koeneman, Astrid Chorus, Marijke Hopman-Rock, Mai J M Chinapaw
BACKGROUND: Physical activity (PA) levels of older adults living in a care setting are known to be very low. This is a significant health(care) problem, as regular PA has many health benefits also at advanced age. Research on automatic processes underlying PA behaviour in physically inactive older adults is yet non-existing. Since people are unconsciously influenced by people around them (i.e. by 'social norms') automatic processes could be used to promote PA. We developed an explorative intervention method to assess the effects of automatically processed (implicit) descriptive social norms ('What most people do') on behavioral intention and participation in PA offered in a local residential care setting...
January 6, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28038316/association-of-the-female-athlete-triad-risk-assessment-stratification-to-the-development-of-bone-stress-injuries-in-collegiate-athletes
#12
Adam S Tenforde, Jennifer L Carlson, Audrey Chang, Kristin L Sainani, Rebecca Shultz, Jae Hyung Kim, Phil Cutti, Neville H Golden, Michael Fredericson
BACKGROUND: The female athlete triad (referred to as the triad) contributes to adverse health outcomes, including bone stress injuries (BSIs), in female athletes. Guidelines were published in 2014 for clinical management of athletes affected by the triad. PURPOSE: This study aimed to (1) classify athletes from a collegiate population of 16 sports into low-, moderate-, and high-risk categories using the Female Athlete Triad Cumulative Risk Assessment score and (2) evaluate the predictive value of the risk categories for subsequent BSIs...
February 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27999723/measuring-sport-specific-physical-abilities-in-male-gymnasts-the-men-s-gymnastics-functional-measurement-tool
#13
Mark D Sleeper, Lisa K Kenyon, James M Elliott, M Samuel Cheng
PURPOSE/BACKGROUND: Despite the availability of various field-tests for many competitive sports, a reliable and valid test specifically developed for use in men's gymnastics has not yet been developed. The Men's Gymnastics Functional Measurement Tool (MGFMT) was designed to assess sport-specific physical abilities in male competitive gymnasts. The purpose of this study was to develop the MGFMT by establishing a scoring system for individual test items and to initiate the process of establishing test-retest reliability and construct validity...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27996092/maxillofacial-injuries-among-national-collegiate-athletic-association-ncaa-athletes-2004-to-2014
#14
Stephen R Chorney, Lindsay Sobin, Parul Goyal, Amar C Suryadevara
OBJECTIVE: Participation in National Collegiate Athletic Association (NCAA) sports increases annually, yet the risk of maxillofacial injuries among these athletes is unknown. We report the incidence and trends in maxillofacial injuries among NCAA athletes. STUDY DESIGN: Retrospective study of the NCAA Injury Surveillance System (ISS) representing athletes from seven men's and eight women's sports across Divisions 1, 2, and 3. Incidence of maxillofacial injuries by sport, gender, anatomic location, and injuries requiring surgery were measured...
December 20, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27965597/transcranial-direct-current-stimulation-effects-on-athletes-cognitive-performance-an-exploratory-proof-of-concept-trial
#15
Davimar M M Borducchi, July Silveira Gomes, Henrique Akiba, Quirino Cordeiro, José Henrique M Borducchi, Lívia Stocco Sanches Valentin, Gabrielle M Borducchi, Álvaro Machado Dias
Among the 2016 Olympic and Paralympic Games' unforgettable moments, one could not overlook performances by Phelps and Bolt, which challenge old premises about the maximum extension of individual supremacism in ultracompetitive modalities and the doping scandals. Different media channels resonated these two trends, with an unseen rise on discussions about traits and practices that may set ultrahigh performance athletes apart from the more ordinary ones. Yet, some key issues remain undebated. This paper aims to add to this debate, with a proof of concept trial, which investigates whether transcranial direct current stimulation (tDCS) may serve as an aid for professional athletes...
2016: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/27927900/questions-and-assays
#16
Nancy Kleckner
The Thomas Hunt Morgan Medal is awarded to an individual Genetics Society of America member for lifetime achievement in the field of genetics. It recognizes the full body of work of an exceptional geneticist. The 2016 recipient is Nancy Kleckner, who has made many significant contributions to our understanding of chromosomes and the mechanisms of inheritance. Kleckner has made seminal achievements in several different research areas, including bacterial transposition, chromosome organization, and meiosis. She has repeatedly combined traditional genetic approaches with molecular biology, microscopy, physics, and modeling-unprecedented applications of these methods at the time, but which have now become commonplace...
December 2016: Genetics
https://www.readbyqxmd.com/read/27900290/female-athletes-and-menstrual-disorders-a-pilot-study
#17
Laura Stefani, Giorgio Galanti, Silvia Lorini, Giada Beni, Metella Dei, Nicola Maffulli
BACKGROUND: There is a greater incidence of menstrual disorders in female athletes than in their sedentary counterparts. The menstrual disorder is reported in female athletes suffering from athletic triad syndrome, while few data in those free of this syndrome are available. The study aims to ascertain the presence of menstrual disorders and the eventual relationship with myocardial performance in female athletes practicing different sports. METHODS: A sample of 64 subjects aged 18...
April 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/27890532/what-governs-successful-performance-of-a-complex-whole-body-movement-the-kovacs-release-regrasp-on-horizontal-bar
#18
Michael J Hiley, Maurice R Yeadon
The Kovacs is a release and regrasp skill performed on the horizontal bar in men׳s artistic gymnastics. It is a popular skill in elite competitive gymnastics with over 40% of male gymnasts performing a variation of the Kovacs at the London 2012 Olympics. In the qualifying competition 84% of Kovacs were successfully regrasped, with the remaining 16% resulting in a fall. The aim of the present study was to determine why some gymnasts are more successful than others at regrasping the bar, with a secondary aim to determine how a less successful gymnast could alter his technique in order to become more successful...
December 8, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27886834/upper-extremity-injuries-in-gymnasts
#19
REVIEW
Megan R Wolf, Daniel Avery, Jennifer Moriatis Wolf
Gymnastics is a unique sport, which loads the wrist and arms as weight-bearing extremities. Because of the load demands on the wrist in particular, stress fractures, physeal injury, and overuse syndromes may be observed. This spectrum of injury has been termed "gymnast's wrist," and incorporates such disorders as wrist capsulitis, ligamentous tears, triangular fibrocartilage complex tears, chondromalacia of the carpus, stress fractures, distal radius physeal arrest, and grip lock injury.
February 2017: Hand Clinics
https://www.readbyqxmd.com/read/27872744/association-between-sports-type-and-overuse-injuries-of-extremities-in-children-and-adolescents-a-systematic-review
#20
REVIEW
Charlène Chéron, Christine Le Scanff, Charlotte Leboeuf-Yde
BACKGROUND: Sporting activities can cause injuries and overuse injuries of the extremities (OIE) in children have been shown to be more common than injuries caused by trauma. The lower extremity is more frequently affected than the upper extremity in OIE, but it is not known whether injury site and diagnosis vary in different sporting activities. PURPOSE: To identify any differences between sports in relation to diagnoses and anatomical areas most likely to be injured...
2016: Chiropractic & Manual Therapies
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