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https://www.readbyqxmd.com/read/29192540/thoracoabdominal-breathing-motion-pattern-and-coordination-of-professional-ballet-dancers
#1
Isabella Martins Rodrigues, Gustavo Ramos Dalla Bernardina, Karine Jacon Sarro, Guido Baroni, Pietro Cerveri, Amanda Piaia Silvatti
Ballet training includes exercises of high and moderate intensities, which require breathing control for a good performance. This study describes the thoracoabdominal motion of professional dancers and compares the breathing patterns between professional dancers and non-dancers. Participants of this study were four male and four female (30.33 ± 4.64 years) professional dancers and four male and four female (22.75 ± 1.49 years) non-dancers. The participants executed two breathing manoeuvres while sitting motionless: quiet breathing (QB) and vital capacity (VC)...
December 1, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/29174420/panton-valentine-leucocidin-pvl-staphylococcus-aureus-a-position-statement-from-the-international-society-of-chemotherapy
#2
EDITORIAL
Kordo Saeed, Ian Gould, Silvano Espositio, Nusreen Ahmad-Saeed, Salman Shaheer Ahmed, Emine Alp, Abhijit M Bal, Matteo Bassetti, Eric Bonnet, Monica Chan, Geoffrey Coombs, Stephanie Dancer, Michael Z David, Giuseppe De Simone, Matthew Dryden, Luca Guardabassi, Leif G Hanitsch, Karolin Hijazi, Renate Krüger, Andie Lee, Rasmus Leistner, Pasquale Pagliano, Elda Righi, Sylke Schneider-Burrus, Robert Leo Skov, Pierre Tattevin, Willem Van Wamel, Margreet C Vos, Andreas Voss
No abstract text is available yet for this article.
November 21, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29166986/a-retrospective-assessment-of-return-to-function-in-dance-after-physical-therapy-for-common-dance-injuries
#3
Emily Junck, Megan Richardson, Faye Dilgen, Marijeanne Liederbach
An injury that causes a dancer to take time away from training or performance can be career ending, and thus it is important for dancers to have accurate expectations when considering treatment options. Thus far, few studies have reported functional outcomes after injury in dancers, which may be different than for the general athletic population. Therefore, our study sought to determine functional outcomes in dancers after operative and non-operative treatment for common dance injuries. Our outcome measures included a subjective assessment of the degree to which a dancer had returned to his or her previous level of dance, the SF-12 survey, and the WHO functional outcome scale modified for dance...
December 15, 2017: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/29166985/postural-control-during-different-unipodal-positions-in-professional-ballet-dancers
#4
Michelle Costa de Mello, Arthur de Sá Ferreira, Lilian Ramiro Felicio
Classical ballet involves the performance of complex movements that require high-level motor skills and good postural control. This study explored postural sway in passé en demi-pointe position in dancers and compared single-leg standing sway (with and without visual restriction) between dancers and non-dancers. Fourteen professional dancers and 14 sex- and age-matched volunteers who were not ballet dancers participated in the study. Participants stood on a force plate on the dominant leg in the following positions: 1...
December 15, 2017: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/29166984/a-comparison-of-musculo-articular-stiffness-and-maximal-isometric-plantar-flexion-and-knee-extension-force-in-dancers-and-untrained-individuals
#5
Paige E Rice, Herman van Werkhoven, Denzel J Dejournette, Reed D Gurchiek, John W Mackall, Jeffrey M McBride
Dance involves a high volume of aesthetic, stretch-shortening cycle (SSC) actions, which may cause unique adaptations to performance. The strength dancers possess to withstand such frequency of SSCs remains elusive. The extensive training that dancers experience from a young age, however, yields anatomical and strength development that may contrast with that of untrained individuals. Therefore, the purpose of this study was to investigate differences in musculo-articular stiffness and maximal isometric plantar flexion and knee extension force between dancers and untrained individuals...
December 15, 2017: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/29166983/comparison-study-of-body-image-satisfaction-between-beginning-and-advanced-level-female-ballet-students
#6
Sally A Radell, Margaret L Keneman, Mara P Mandradjieff, Daniel D Adame, Steven P Cole
This mixed methods study compares the level of satisfaction with one's body image between beginning- and advanced-level female collegiate ballet students. Thirty-six beginning-level students were enrolled in two ballet classes, and a second group of 16 advanced-level students was enrolled in a third class. A mirror was used in the teaching of both groups. During the first and thirteenth week of a 14-week semester, students completed the Cash 69-item Body Self-Relations Questionnaire. In addition, five students from each group were randomly selected to participate in semi-structured interviews during the second and last week of the semester...
December 15, 2017: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/29163414/control-of-antimicrobial-resistance-requires-an-ethical-approach
#7
REVIEW
Ben Parsonage, Philip K Hagglund, Lloyd Keogh, Nick Wheelhouse, Richard E Brown, Stephanie J Dancer
Ethical behavior encompasses actions that benefit both self and society. This means that tackling antimicrobial resistance (AMR) becomes an ethical obligation, because the prospect of declining anti-infectives affects everyone. Without preventive action, loss of drugs that have saved lives over the past century, will condemn ourselves, people we know, and people we don't know, to unacceptable risk of untreatable infection. Policies aimed at extending antimicrobial life should be considered within an ethical framework, in order to balance the choice, range, and quality of drugs against stewardship activities...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29147730/on-the-skilled-plantar-flexor-motor-action-and-unique-electromyographic-activity-of-ballet-dancers
#8
Sakiko Saito, Hiroki Obata, Mayumi Kuno-Mizumura, Kimitaka Nakazawa
The study aimed to compare the ability of dance and non-dance subjects to perform fine control of a simple heel-raising/lowering movement, and to determine if there are any differences in motor unit activity in the primary plantar flexor muscles during the movement. Subjects were instructed to accurately track a sinusoidal trace with a heel-raising and lowering movement at four controlled frequencies (1, 0.5, 0.25, and 0.125 Hz). The ankle joint angle was used to characterize movement errors from the target...
November 16, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29140777/computer-graphics-animation-for-objective-self-evaluation
#9
Yoko Usui, Katsumi Sato, Shinichi Watabe
The increased number of students enrolling in dance classes in Japan has resulted in a shortage of qualified instructors, leaving classes to be taught by instructors who are not trained in dance. The authors developed a system specifically designed to help nonqualified dance instructors teach dance using motion capture and animation. The goal is to allow dancers to easily self-evaluate their own performances by comparing it to a standard example.
November 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/29120225/descriptive-values-for-dancers-on-baseline-concussion-tools
#10
Lauren McIntyre, Marc Campo
CONTEXT:   Capturing baseline data before a concussion can be a valuable tool in individualized care. However, not all athletes, including dancers, have access to baseline testing. When baseline examinations were not performed, clinicians consult normative values. Dancers are unique athletes; therefore, describing values specific to dancers may assist those working with these athletes in making more informed decisions. OBJECTIVE:   To describe values for key concussion measures of dancers...
November 9, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/29113569/physical-therapy-rehabilitation-of-an-adolescent-pre-professional-dancer-following-os-trigonum-excision-a-case-report
#11
Alyson Filipa, Kelli Barton
Study Design Case report. Background An os trigonum can be a source of pain for dancers due to impingement during repetitive ankle plantarflexion movements. Following excision of an os trigonum, it is important to have a gradual, progressive return-to-dance program for optimal recovery. The purpose of this case report is to describe the post-operative management and return-to-dance progression of an adolescent dancer status post os trigonum excision. Case Description An adolescent pre-professional female dancer had an extensive history of left posterior heel pain beginning at age eight that led to surgical removal of an os trigonum at age fifteen...
November 7, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29112056/effects-of-a-resistance-training-intervention-on-strength-power-and-performance-in-adolescent-dancers
#12
Rebecca A Dowse, Mike R McGuigan, Craig Harrison
Dowse, RA, McGuigan, MR, and Harrison, C. Effects of a resistance training intervention on strength, power, and performance in adolescent dancers. J Strength Cond Res XX(X): 000-000, 2017-The aim of this study was to determine whether a 9-week resistance training program could have a significant effect on maximum lower-body strength and power, dynamic balance, and dance performance in adolescent dancers. Twelve competitive adolescent female dancers trained in jazz, ballet, and contemporary were recruited from local dance schools and assigned to a resistance training group (dance experience 9...
November 1, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29111878/may-i-have-the-next-dance-chinese-gay-men-exploring-selves-and-practices-through-the-tradition-of-dance-in-public-spaces
#13
Pierre Miège
This study explores the way in which some Chinese gay men negotiate dance performances in parks and other public spaces in an attempt to invent and experiment with 'possible selves'. In most circumstances, these same men conceal their sexual orientation for fear of stigma and discrimination, experiencing in the process something of a 'divided self'. Little attention has been given to understanding the way such individuals negotiate and construct same-sex experiences, especially through the negotiation of specific and restricted social interactions and performances...
November 7, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/29106341/the-long-term-impact-of-an-eating-disorder-prevention-program-for-professional-ballet-school-students-a-15-year-follow-up-study
#14
Rachel J Bar, Stephanie E Cassin, Michelle M Dionne
Eating disorder prevention programs have been assessed up to 3 years post-implementation; however, their impact on long-term resilience is unclear. The current study assessed disordered eating and body dissatisfaction in 116 dancers from a professional ballet school 15 or more years following their participation in an effective selective prevention program. Dancers who attended the ballet school during and following the program endorsed fewer thoughts and behaviours associated with bulimia, had lower lifetime prevalence of laxative use, and showed a trend toward lower lifetime rates of vomiting to control weight than those who attended the ballet school prior to the intervention...
October 2017: Eating Disorders
https://www.readbyqxmd.com/read/29104832/belly-dancer-s-dyskinesia-a-glimpse-of-a-rare-phenomenon
#15
Ashutosh Gupta, Suman Kushwaha
Belly dancer's dyskinesia (BDD) is an extremely rare manifestation consisting of involuntary and repetitive rhythmic movements of the abdominal wall. These movements cannot be voluntarily suppressed but may be influenced by respiratory maneuvers. Investigations such as spinal cord and abdominal imaging usually fail to reveal any local abnormalities to explain the movement disorder. A 23-year-old male presented with sudden onset of undulating movements of the abdominal wall for the last two months after he took domperidone...
July 11, 2017: Curēus
https://www.readbyqxmd.com/read/29104291/a-unifying-motor-control-framework-for-task-specific-dystonia
#16
REVIEW
Anna Sadnicka, Katja Kornysheva, John C Rothwell, Mark J Edwards
Task-specific dystonia is a movement disorder characterized by a painless loss of dexterity specific to a particular motor skill. This disorder is prevalent among writers, musicians, dancers and athletes. No current treatment is predictably effective, and the disorder generally ends the careers of affected individuals. Traditional disease models of dystonia have a number of limitations with regard to task-specific dystonia. We therefore discuss emerging evidence that the disorder has its origins within normal compensatory mechanisms of a healthy motor system in which the representation and reproduction of motor skill are disrupted...
November 6, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/29083412/resolvind1-stimulates-epithelial-wound-repair-and-inhibits-tgf-%C3%AE-induced-emt-whilst-reducing-fibroproliferation-and-collagen-production
#17
Shengxing Zheng, Qian Wang, Vijay D'Souza, Dom Bartis, Rachel Dancer, Dhruv Parekh, Fang Gao, Qingquan Lian, Shengwei Jin, David R Thickett
Acute and chronic inflammatory lung diseases are often associated with epithelial cell injury/loss and fibroproliferative responses. ResolvinD1 (RvD1) is biosynthesized during the resolution phase of inflammatory response and exerts potent anti-inflammatory and promotes resolution of inflammatory lung diseases. The aim of this study was to investigate whether RvD1 exerts protective effects on alveolar epithelial cell function/differentiation and protects against fibroproliferative stimuli. Primary human alveolar type II cells were used to model the effects of RvD1 in vitro upon wound repair, proliferation, apoptosis, transdifferentiation, and epithelial-mesenchymal transition (EMT)...
October 30, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29072027/effect-of-stretching-based-rehabilitation-on-pain-flexibility-and-muscle-strength-in-dancers-with-hamstring-injury-a-single-blind-prospective-randomized-clinical-trial
#18
Giwon Kim, Hyangsun Kim, Woo K Kim, Junesun Kim
BACKGROUND: Hamstring injuries commonly occur in mainstream sports and occupations that involve physical activity. We evaluated the effect of a stretching-based rehabilitation program on pain, flexibility, and strength in dancers with hamstring injuries. METHODS: Sixteen Korean traditional dancers with unilateral hamstring injuries were included and randomly assigned to a rehabilitation or control group. The rehabilitation group received stretching-based rehabilitation for 8 weeks, which comprised simple static stretches and basic range of motion (ROM) exercises, such as static and active stretching, concentric and eccentric ROM training, and trunk stabilization exercises...
October 24, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29064868/association-between-previous-injury-and-risk-factors-for-future-injury-in-preprofessional-ballet-and-contemporary-dancers
#19
Sarah J Kenny, Luz Palacios-Derflingher, Qian Shi, Jackie L Whittaker, Carolyn A Emery
OBJECTIVES: To determine the prevalence of self-reported 1-year injury history and examine its association with preparticipation evaluation components aimed at predicting future injury risk (PPE-IP) among preprofessional ballet and contemporary dancers. DESIGN: Cross-sectional study. SETTING: Preprofessional ballet school, university contemporary dance program. PARTICIPANTS: Full-time preprofessional ballet and contemporary dancers...
October 20, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29058725/rational-design-of-proteins-that-exchange-on-functional-timescales
#20
James A Davey, Adam M Damry, Natalie K Goto, Roberto A Chica
Proteins are intrinsically dynamic molecules that can exchange between multiple conformational states, enabling them to carry out complex molecular processes with extreme precision and efficiency. Attempts to design novel proteins with tailored functions have mostly failed to yield efficiencies matching those found in nature because standard methods do not allow the design of exchange between necessary conformational states on a functionally relevant timescale. Here we developed a broadly applicable computational method to engineer protein dynamics that we term meta-multistate design...
December 2017: Nature Chemical Biology
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