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Elisa Pelosin, Ambra Bisio, Thierry Pozzo, Giovanna Lagravinese, Oscar Crisafulli, Roberta Marchese, Giovanni Abbruzzese, Laura Avanzino
Postural reactions can be influenced by concomitant tasks or different contexts and are modulated by a higher order motor control. Recent studies investigated postural changes determined by motor contagion induced by action observation (chameleon effect) showing that observing a model in postural disequilibrium induces an increase in healthy subjects' body sway. Parkinson's disease (PD) is associated with postural instability and impairments in cognitively controlled balance tasks. However, no studies investigated if viewing postural imbalance might influence postural stability in PD and if patients are able to inhibit a visual postural perturbation...
2018: Frontiers in Neurology
Hamdi Habacha, Laure Lejeune-Poutrain, Corinne Molinaro
To investigate the effects of stimulus features on the implementation of motor expertise in body rotations during a mental body rotation task, 2 experiments were conducted. In Experiment 1, we investigated the mental rotation abilities in 27 male participants: 14 experts in real body rotations (national level gymnasts) and 13 nonexperts (national handball players). The mental rotation task used left-right judgments and involved 3 types of stimuli: images of a stick figure person, images of line drawings of the human body, and photographs of real male persons...
April 2017: American Journal of Psychology
Maria-Raquel G Silva, Hugo-Henrique Silva, Teresa Paiva
Sleep, body composition and dietary intake are crucial for athletes' health and performance but have never been investigated in acrobatic gymnasts. Thus, this study aimed to evaluate sleep, body composition, dietary intake and eating behaviours of acrobatic gymnasts. Using a cross-sectional study, 82 Portuguese acrobatic gymnasts (12.8 ± 3.1 years, 61 females and 21 males) were evaluated during the competitive period to collect training data, sleep duration, body composition, dietary intake and eating behaviours before, during and after practices...
March 3, 2018: European Journal of Pediatrics
Ingunn Ludviksdottir, Hildur Hardardottir, Thorgerdur Sigurdardottir, Gudmundur F Ulfarsson
INTRODUCTION: Exercise can stress the pelvic floor muscles. Numerous women experience urinary incontinence while exercising or competing in sports. This study investigated pelvic floor muscle strength, urinary incontinence, and knowledge in contracting pelvic floor muscles among female athletes and untrained women. MATERIALS AND METHODS: This was a prospective case-control study measuring pelvic floor muscle strength using vaginal pressure meas-urement. Participants answered questions regarding general health, urinary incontinence, and knowledge on pelvic floor muscles...
2018: Læknablađiđ
Ali Guermazi, Daichi Hayashi, Mohamed Jarraya, Michel D Crema, Roald Bahr, Frank W Roemer, João Grangeiro, Richard G Budgett, Torbjorn Soligard, Romulo Domingues, Abdalla Skaf, Lars Engebretsen
Purpose To describe the occurrence of imaging-depicted sports-related stress injuries, fractures, and muscle and tendon disorders during the 2016 Summer Olympic Games in Rio de Janeiro, Brazil. Materials and Methods Data on radiologic examinations were collected and retrospectively analyzed centrally by two board-certified musculoskeletal radiologists (with a third musculoskeletal radiologist acting as an adjudicator in case of discrepancies). Descriptive data on all imaging examinations by using radiography, ultrasonography (US), and magnetic resonance (MR) imaging were collected and analyzed according to imaging modality, country of origin of the athletes, type of sport, and type and location of injury...
February 26, 2018: Radiology
Andrzej Kochanowicz, Bartłomiej Niespodziński, Michel Marina, Jan Mieszkowski, Leon Biskup, Kazimierz Kochanowicz
The aim of this study was to evaluate the relationship between muscle activity and inter-muscle contributions patterns and postural control during a handstand. Additionally, outcomes were compared between young and adult gymnasts (mean ± SD: 13.9 ± 0.7 and 23 ± 3 years respectively). Participants performed three trials of a 10 s handstand on a force platform with simultaneous EMG signal recording at the upper and lower limbs. Adult gymnasts demonstrated significantly better postural control in each studied variable...
February 19, 2018: Human Movement Science
Julie Bonapace, Guy-Paul Gagné, Nils Chaillet, Raymonde Gagnon, Emmanuelle Hébert, Sarah Buckley
OBJECTIVE: To review the evidence relating to nonpharmacological approaches in the management of pain during labour and delivery. To formulate recommendations for the usage of nonpharmacological approaches to pain management. OPTIONS: Nonpharmacological methods available for pain management during labour and delivery exist. These should be included in the counselling and care of women. EVIDENCE: PubMed and Medline were searched for articles in French and English on subjects related to "breastfeeding," "pain," "epidural," "anaesthesia," "analgesia," "labour," "labor," and combined with "gate control theory," "alternative therapies," "massage," "position," "mobility," "TENS," "bathing," "DNIC," "acupuncture," "acupressure," "sterile water injection," "higher center," "control mind," "cognitive structuring," "holistic health," "complementary therapy(ies)," "breathing," "relaxation," "mental imagery," "visualization," "mind focusing," "hypnosis," "auto-hypnosis," "sophrology," "mind and body interventions," "music," "odors," "biofeedback," "Lamaze," "Bonapace," "prenatal training," "gymnastic," "chanting," "haptonomy," "environment," "transcutaneous electrical stimulus-stimulation," "antenatal education," "support," "continuous support," "psychosocial support," "psychosomatic medicine," "supportive care," "companion," "intrapartum care," "nurse," "midwife(ves)," "father," "doula," "caregiver," " hormones," "oxytocin," "endorphin," "prolactin," "catecholamine," "adrenaline," and "noradrenaline" from 1990 to December 2015...
February 2018: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
Steffen Ringhof, Thorsten Stein
Dynamic balance is vitally important for most sports and activities of daily living, so the assessment of dynamic stability has become an important issue. In consequence, a large number of balance tests have been developed. However, it is not yet known whether these tests (i) measure the same construct and (ii) can differentiate between athletes with different balance expertise. We therefore studied three common dynamic balance tests: one-leg jump landings, Posturomed perturbations and simulated forward falls...
February 10, 2018: Human Movement Science
Tathyane Krahenbühl, Roseane de Fátima Guimarães, Antonio de Azevedo Barros Filho, Ezequiel Moreira Gonçalves
OBJECTIVE: To perform a systematic review on the practice of physical activity and/or sports in health and its influence on bone geometry of healthy children and adolescents. DATA SOURCE: The method used as reference was the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). Databases searched for articles published from 2006 to 2016, with "Bone geometry" AND (Sport* OR Exercise* OR "Physical Activity") as descriptors, were PubMed, BIREME/LILACS and SciELO...
January 15, 2018: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
William L Dillen, Benjamin K Hendricks, Jonathan P Mannas, Greg R Wheeler
This article describes a novel setting for a rare nontraumatic spinal cord injury referred to as Surfer's myelopathy. The patient is a 16 year-old female cheerleader who presented following a gymnastics practice where she was repeatedly performing back handsprings. She demonstrated progressively worsening midthoracic back pain and evolving paraplegia and hypesthesia of the lower extremities. Magnetic resonance imaging findings were consistent with T5-T7 spinal cord ischemia at 8 h and 16 h after symptom onset...
January 26, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
Owen Dyer
No abstract text is available yet for this article.
January 29, 2018: BMJ: British Medical Journal
Avi D Goodman, Nicholas Lemme, Steven F DeFroda, Joseph A Gil, Brett D Owens
Background: Examination of the incidence of elbow dislocation and subluxation injuries in the collegiate athlete population is limited. Purpose: To determine the incidence of elbow dislocation and subluxation injuries in the National Collegiate Athletic Association (NCAA) and investigate the risk factors involved. Study Design: Descriptive epidemiology study. Methods: All elbow subluxation and dislocation injuries from the 2009-2010 through 2013-2014 academic years in the NCAA Injury Surveillance Program database were extracted...
January 2018: Orthopaedic Journal of Sports Medicine
A Colclough, A G Munro, L C Herrington, J J McMahon, P Comfort
OBJECTIVES: To investigate the effects of a four week jump training program on frontal plane projection angle (FPPA) in young female gymnasts. DESIGN: Intervention study, consisting of a four week jump training program performed for 15 min as part of a warm-up, three days per week for four weeks. SETTING: Gymnastics training center. PARTICIPANTS: Fourteen youth female gymnasts (age: 13.5 ± 2.14 years, height: 1.54 ± 0...
November 7, 2017: Physical Therapy in Sport
Alexandra Pizzera, Carsten Möller, Henning Plessner
Gymnastics judges and former gymnasts have been shown to be quite accurate in detecting errors and accurately judging performance. PURPOSE: The purpose of the current study was to examine if this superior judging performance is reflected in judges' gaze behavior. METHOD: Thirty-five judges were asked to judge 21 gymnasts who performed a skill on the vault in a video-based test. Classifying 1 sample on 2 different criteria, judging performance and gaze behavior were compared between judges with a higher license level and judges with a lower license level and between judges who were able to perform the skill (specific motor experience [SME]) and those who were not...
January 19, 2018: Research Quarterly for Exercise and Sport
John J Winslow, Mark Jackson, Andrew Getzin, Michael Costello
OBJECTIVE:   To describe the conservative management of a young athlete with extension-based (EB) low back pain (LBP). BACKGROUND:   We present the case of a 15-year-old female high school gymnast with a 4-year history of EB LBP. Magnetic resonance imaging revealed a healed spondylolysis and significant lumbar multifidi muscle (LMM) atrophy with fatty infiltrate. She had several courses of outpatient orthopaedic rehabilitation that focused on core muscle strengthening (improving activation and strength of the LMM and transversus abdominus muscle in a neutral pelvic position) without long-lasting improvement...
January 19, 2018: Journal of Athletic Training
Si-Kai Liu, Yan-Li Song, Wen-Yuan Ding, Da-Long Yang, Lei Ma, Si-Dong Yang
Objectives: The purpose of this study was to explore the effect of systematic lower-limb rehabilitation training in elderly patients undergoing lumbar fusion surgery due to serious degenerative intervertebral disc diseases. Results: At the 1st week after surgery, clinical rehabilitation effect in intervention group was better regarding lower-limb muscle strength, lower-limb DVT, VAS score, and ODI, as compared with control group (all p < 0.05). During the first two weeks after surgery, satisfaction rate in intervention group was higher than that in control group...
December 22, 2017: Oncotarget
Roman Farana, Timothy Exell, Gerda Strutzenberger, Gareth Irwin
Biophysical loading of the elbow and wrist is a potential reason for chronic lesions in gymnastics and present a real concern for coaches, scientist and clinicians. Previous research has identified injury risk factors during round-off (RO) skills in elite female gymnasts. The aim of this study was to investigate key elbow and wrist joint injury risk factors during different techniques of fundamental cartwheel (CW) and RO skills performed by young female artistic gymnasts. Seventeen active young female gymnasts performed 30 successful trials of both CW and RO from a hurdle step with three different hand positions (parallel (10), T-shape (10) and reverse (10))...
January 17, 2018: European Journal of Sport Science
Catarina Leandro, Lurdes Ávila-Carvalho, Elena Sierra-Palmeiro, Marta Bobo-Arce
This study aimed to analyse the quality of difficulty judging in rhythmic gymnastics, at different levels of performance. The sample consisted of 1152 difficulty scores concerning 288 individual routines, performed in the World Championships in 2013. The data were analysed using the mean absolute judge deviation from the final difficulty score, a Cronbach's alpha coefficient and intra-class correlations, for consistency and reliability assessment. For validity assessment, mean deviations of judges' difficulty scores, the Kendall's coefficient of concordance W and ANOVA eta-squared values were calculated...
December 2017: Journal of Human Kinetics
Lucas Ithamar, Alberto Galvão de Moura Filho, Marco Aurélio Benedetti Rodrigues, Kelly Cristina Duque Cortez, Vinícius Gomes Machado, Claudia Regina Oliveira de Paiva Lima, Eduarda Moretti, Andrea Lemos
INTRODUCTION: Abdominal hypopressive gymnastics appeared as an alternative to traditional abdominal exercises to promote abdominal muscles strength without overloading the pelvic floor muscles (PFM). To determine the activation level of abdominal muscles and PFM and the posture influence in the level of activation in these muscles during abdominal hypopressive gymnastics, we used surface electromyography in young and healthy multipara women. METHODS: This is an observational study with eutrophic nulliparous women aged between 18 and 35 years, with abdominal skinfold less than or equal to 3 cm and active or irregularly active physical activity...
January 2018: Journal of Bodywork and Movement Therapies
Aaron W Johnson, Caisa N Warcup, Matthew K Seeley, Dennis Eggett, Jeffery B Feland
BACKGROUND: While stretching with vibration has been shown to improve static flexibility; the effect of stretching with vibration on dynamic flexibility is not well known. The purpose of this study was to examine the effectiveness of stretching with vibration on acute dynamic flexibility and jump height in novice and advanced competitive female gymnasts during a split jump. METHODS: Female gymnast (n=27, age: 11.5 ± 1.7 years, Junior Olympic levels 5-10) participated in this cross-over study...
January 10, 2018: Journal of Sports Medicine and Physical Fitness
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