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Ballet dance

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https://www.readbyqxmd.com/read/27895518/single-leg-squats-can-predict-leg-alignment-in-dancers-performing-ballet-movements-in-turnout
#1
Luke S Hopper, Nahoko Sato, Andries L Weidemann
The physical assessments used in dance injury surveillance programs are often adapted from the sports and exercise domain. Bespoke physical assessments may be required for dance, particularly when ballet movements involve "turning out" or external rotation of the legs beyond that typically used in sports. This study evaluated the ability of the traditional single-leg squat to predict the leg alignment of dancers performing ballet movements with turnout. Three-dimensional kinematic data of dancers performing the single-leg squat and five ballet movements were recorded and analyzed...
2016: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/27721977/pilot-study-of-a-targeted-dance-class-for-physical-rehabilitation-in-children-with-cerebral-palsy
#2
Citlali López-Ortiz, Tara Egan, Deborah J Gaebler-Spira
INTRODUCTION: This pilot study evaluates the effects of a targeted dance class utilizing classical ballet principles for rehabilitation of children with cerebral palsy on balance and upper extremity control. METHODS: Twelve children with cerebral palsy (ages 7-15 years) with Gross Motor Function Classification scores II-IV participated in this study and were assigned to either a control group or targeted dance class group. Targeted dance class group participated in 1-h classes three times per week in a 4-week period...
2016: SAGE Open Medicine
https://www.readbyqxmd.com/read/27680217/frequency-of-pain-and-eating-disorders-among-professional-and-amateur-dancers
#3
Maria Angélica Kurpel Diogo, Gabriel Gomes de Oliveira Ribas, Thelma Larocca Skare
CONTEXT AND OBJECTIVE: The pursuit of perfection can cause anxiety and lead dancers to exceed their physical limits. The aim here was to evaluate the prevalence of pain symptoms and eating disorders among professional and amateur dancers. DESIGN AND SETTING: Observational cross-sectional study; Curitiba, PR, Brazil. METHODS: Data on 150 professional and non-professional practitioners of ballet, jazz and street dance were collected through specific questionnaires: Brief Pain Inventory-Short Form (BPI-SF), Eating Attitudes Test-26 (EAT-26), Bulimic Investigatory Test Edinburgh (BITE) and State-Trait Anxiety Inventory-T-6 (STAI-T-6)...
September 26, 2016: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/27661623/examining-standing-turnout-with-two-measurement-methods-during-dance-wellness-screening
#4
Lindsay E Harmon-Matthews, J Hope Davis-Coen, Mariah Nierman, Nienke W Willigenburg, Timothy E Hewett
This study describes trends in mean standing functional turnout angles measured on a floor protractor (FP) and the Functional Footprint(®) rotational instrument (RI) during routine clinical screens. Twenty-three professional ballet dancers, 26 collegiate modern students, and 46 ballet academy dancers participated in the study. All dancers demonstrated greater total turnout on the FP compared to the RI (p < 0.001), and the collegiate dancers had significantly smaller total turnout angles compared to both of the other groups (p < 0...
2016: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/27622498/fatigue-induced-changes-in-movement-pattern-and-muscle-activity-during-ballet-releve-on-demi-pointe
#5
Cheng-Feng Lin, Wan-Chin Lee, Yi-An Chen, Bih-Jen Hsue
Fatigue in ballet dancers may lead to injury, particularly in the lower extremities. However, few studies have investigated the effects of fatigue on ballet dancers' performance and movement patterns. Thus, the current study examines the effect of fatigue on the balance, movement pattern, and muscle activities of the lower extremities in ballet dancers. Twenty healthy, female ballet dancers performed releve on demi-pointe before and after fatigue. The trajectory of the whole body movement and the muscle activities of the major lower extremity muscles were recorded continuously during task performance...
August 2016: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/27575293/trust-satisfaction-and-confidence-in-health-care-providers-among-student-and-professional-dancers-in-france
#6
Stephanie Alimena, Mary E Air
BACKGROUND: Patients who trust their physicians are more likely to communicate about medical problems, adhere to medical advice, and be satisfied with care. Dancers have demonstrated low utilization of physician services for both preventive care and dance injuries. The purpose of this cross-sectional study was to examine trust in physicians as a variable influencing dancers' health care-seeking behavior. METHODS: The validated Trust in Physician Scale was administered to 45 professional and 34 student ballet/contemporary dancers in France (36...
September 2016: Medical Problems of Performing Artists
https://www.readbyqxmd.com/read/27567627/professional-ballet-dancers-have-a-similar-prevalence-of-articular-cartilage-defects-compared-to-age-and-sex-matched-non-dancing-athletes
#7
Susan Mayes, April-Rose Ferris, Peter Smith, Andrew Garnham, Jill Cook
Ballet exposes the hip joint to repetitive loading in extreme ranges of movement and may predispose a dancer to pain and osteoarthritis (OA). The aims of this study were to compare the prevalence of cartilage defects in professional ballet dancers and athletes and to determine the relationship of clinical signs and symptoms. Forty-nine male and female, current and retired professional ballet dancers and 49 age- and sex-matched non-dancing athletes completed hip pain questionnaires, including the Copenhagen Hip and Groin Outcome Score (HAGOS), and underwent hip range of movement (ROM) testing and 3-Tesla magnetic resonance imaging to score cartilage defects (no defect, grade 1: focal partial defect and grade 2: diffuse or full thickness defect)...
August 27, 2016: Clinical Rheumatology
https://www.readbyqxmd.com/read/27550928/os-trigonum-excision-in-dancers-via-an-open-posteromedial-approach
#8
Jessica H Heyer, Donald J Rose
BACKGROUND: An os trigonum is a potential source of posterior ankle pain in dancers, often associated with flexor hallucis longus (FHL) pathology. Options for operative excision include open excision, subtalar arthroscopy, and posterior endoscopy. The purpose of this paper was to present a series of dancers who underwent excision of a symptomatic os trigonum via an open posteromedial approach. METHODS: This study is a retrospective case series of 40 ankles in 38 dancers who underwent os trigonum excision via an open posteromedial approach with FHL tenolysis between 2000 and 2013...
August 22, 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27496368/premature-growth-plate-closure-in-a-ballet-dancer-en-pointe
#9
Selina Shah
A 13-year-old ballet dancer who had been dancing en pointe (on the tips of the toes) since 10 years presented to the clinic with a shortened right second toe. She had no previous history of pain or trauma. She was diagnosed with premature growth arrest of the second metatarsal head physes resulting in a shortened metatarsal. This is the first reported case of premature growth arrest in a ballet dancer as a result of dancing en pointe.
August 5, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/27427138/effects-of-ballet-training-of-children-in-turkey-on-foot-anthropometric-measurements-and-medial-longitudinal-arc-development
#10
Sevgi Anar Ozdinc, Fatma Nesrin Turan
OBJECTIVE: To investigate the effects of ballet training on foot structure and the formation of the medial longitudinal arc in childhood, and the association of body mass index with structural change secondary to ballet training. METHODS: This study was conducted at Öykü Ballet and Dance School and Trakya University, Edirne, Turkey, from September 2007 to November 2008, and comprised girl students who were taking ballet classes, and a group of those who were not taking such who acted as the controls...
July 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27289219/posterior-endoscopic-excision-of-os-trigonum-in-professional-national-ballet-dancers
#11
Moez S Ballal, Andy Roche, Anna Brodrick, R Lloyd Williams, James D F Calder
Previous studies have compared the outcomes after open and endoscopic excision of an os trigonum in patients of mixed professions. No studies have compared the differences in outcomes between the 2 procedures in elite ballet dancers. From October 2005 to February 2010, 35 professional ballet dancers underwent excision of a symptomatic os trigonum of the ankle after a failed period of nonoperative treatment. Of the 35 patients, 13 (37.1%) underwent endoscopic excision and 22 (62.9%) open excision. We compared the outcomes, complications, and time to return to dancing...
September 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27284509/arthroscopic-release-of-flexor-hallucis-longus-tendon-sheath-in-female-ballet-dancers-dynamic-pathology-surgical-technique-and-return-to-dancing-performance
#12
Hiroki Funasaki, Hiroteru Hayashi, Kanako Sakamoto, Rei Tsuruga, Keishi Marumo
Stenosing tenosynovitis of the flexor hallucis longus (FHL) tendon is known as a major overuse lesion in female dancers. We describe arthroscopic surgical techniques in relation to the dynamic pathology of the disease. Crepitus and pain on moving the great toe with the ankle in plantar flexion on preoperative examination confirm the diagnosis of FHL stenosing tenosynovitis even if the os trigonum is not evident. The ankle is approached through standard posterolateral and posteromedial portals. A 4.0-mm-diameter 30° arthroscope is used...
December 2015: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27058819/sex-and-growth-effect-on-pediatric-hip-injuries-presenting-to-sports-medicine-clinic
#13
Andrea Stracciolini, Yi-Meng Yen, Pierre A d'Hemecourt, Cara L Lewis, Dai Sugimoto
UNLABELLED: To compare sports-related hip injuries on the basis of sex and age in a cohort of young athletes. A 5% random probability sample of all new patients' charts over a 10-year time period was selected for investigation. The most common hip injury diagnoses, sport at time of injury, mechanism (acute/traumatic vs. overuse), and types (bony vs. soft tissue) were compared by sex and age (preadolescent vs. adolescent). Descriptive and χ-analyses were carried out. The interaction of sex and age with respect to hip injury over time was examined by two-way (sex, age) analysis of variance...
July 2016: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/27056599/atraumatic-tears-of-the-ligamentum-teres-are-more-frequent-in-professional-ballet-dancers-than-a-sporting-population
#14
Susan Mayes, April-Rose Ferris, Peter Smith, Andrew Garnham, Jill Cook
OBJECTIVES: To compare the frequency of atraumatic ligamentum teres (LT) tear in professional ballet dancers with that of athletes, and to determine the relationship with clinical and imaging findings. METHODS: Forty-nine male and female professional ballet dancers (98 hips) and 49 age and sex-matched non-dancing athletes (98 hips) completed questionnaires on hip symptoms and physical activity levels, underwent hip rotation range of movement (ROM) and hypermobility testing, and 3...
July 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27047437/recontextualizing-dance-skills-overcoming-impediments-to-motor-learning-and-expressivity-in-ballet-dancers
#15
Janet Karin
The process of transmitting ballet's complex technique to young dancers can interfere with the innate processes that give rise to efficient, expressive and harmonious movement. With the intention of identifying possible solutions, this article draws on research across the fields of neurology, psychology, motor learning, and education, and considers their relevance to ballet as an art form, a technique, and a training methodology. The integration of dancers' technique and expressivity is a core theme throughout the paper...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27044716/disordered-eating-amenorrhea-and-substance-use-and-misuse-among-professional-ballet-dancers-preliminary-analysis
#16
Mia Peric, Natasa Zenic, Damir Sekulic, Miran Kondric, Petra Zaletel
BACKGROUND: Substance use and misuse (SUM), eating disorders (ED) and consequent amenorrhea (AM) occur frequently in professional ballet dancing. The objective of this study has been to explore the prevalence and association between ED, AM and SUM in ballet. MATERIAL AND METHODS: The sample comprised 21 ballet dancers, 23.1±4.5 years old, members of the professional National Ballet Ensemble from Croatia. Variables were collected by questionnaires examining SUM, occurrence of amenorrhea, and corresponding ballet-specific and socio-demographic factors (Questionnaire on Substance Use - QSU) and the level of ED (Brief Eating Disorder in Athletes Questionnaire - BEDA-Q)...
2016: Medycyna Pracy
https://www.readbyqxmd.com/read/27031318/amenorrhea-in-the-female-athlete-what-to-do-and-when-to-worry
#17
Kate Berz, Teri McCambridge
Functional hypothalamic amenorrhea is a diagnosis of exclusion that is common in female athletes, particularly those participating in aesthetic sports (ballet, other dance genres, figure skating, and gymnastics) and endurance sports (cross-country running). Although common, it should be considered abnormal even in the high-level elite athlete. Amenorrhea in combination with low energy availability and low bone density is labeled "the Female Athlete Triad." Studies have demonstrated numerous long-term consequences of athletes suffering from all or a portion of this triad, including increased rate of musculoskeletal injuries, stress fractures, abnormal lipid profiles, endothelial dysfunction, potential irreversible bone loss, depression, anxiety, low self- esteem, and increased mortality...
March 2016: Pediatric Annals
https://www.readbyqxmd.com/read/27025450/injuries-in-a-professional-ballet-dance-company-a-10-year-retrospective-study
#18
Prem N Ramkumar, Joseph Farber, Johnny Arnouk, Kevin E Varner, Patrick C Mcculloch
Ballet dancers are high-performance athletes who are particularly susceptible to a wide variety of musculoskeletal injuries. However, they are relatively understudied, and data on their injury rates are lacking. This retrospective study features the largest aggregate data on professional ballet dancers to date and aims to identify the most common diagnoses and areas of injury in this unique population to better direct preventative and clinical practices. The study encompassed a 10-year period from January 2000 to December 2010 of dancers from a single company...
March 2016: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/27025447/femoral-shaft-torsion-in-injured-and-uninjured-ballet-dancers-and-its-association-with-other-hip-measures-a-cross-sectional-study
#19
Eliza Hafiz, Claire E Hiller, Leslie L Nicholson, Elizabeth J Nightingale, Alison Grimaldi, Kathryn M Refshauge
Low range femoral torsion, termed "lateral shaft torsion," has been associated with greater range of hip external rotation and turnout in dancers. It is also hypothesized that achieving greater turnout at the hip minimizes torsion at the knee, shank, ankle, and foot, and consequently reduces incidence of lower limb injuries. The primary aims of this study were to investigate: 1. differences in range of femoral shaft torsion between dancers with and without lower limb injuries; and 2. the relationship between femoral shaft torsion, hip external rotation range, and turnout...
March 2016: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/26960739/lateral-occipitotemporal-cortex-lotc-activity-is-greatest-while-viewing-dance-compared-to-visualization-and-movement-learning-and-expertise-effects
#20
Paula M Di Nota, Gabriella Levkov, Rachel Bar, Joseph F X DeSouza
The lateral occipitotemporal cortex (LOTC) is comprised of subregions selectively activated by images of human bodies (extrastriate body area, EBA), objects (lateral occipital complex, LO), and motion (MT+). However, their role in motor imagery and movement processing is unclear, as are the influences of learning and expertise on its recruitment. The purpose of our study was to examine putative changes in LOTC activation during action processing following motor learning of novel choreography in professional ballet dancers...
July 2016: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
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