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Journal of Dance Medicine & Science

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https://read.qxmd.com/read/30477615/book-reviews
#1
Gigi Berardi
No abstract text is available yet for this article.
December 1, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30477614/abstracts-from-the-current-literature
#2
Ruth Solomon, John Solomon
No abstract text is available yet for this article.
December 1, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30477613/ischial-tuberosity-avulsion-fracture-in-a-young-female-ballet-dancer
#3
Jessica Biernacki, Dai Sugimoto, Pierre D'Hemecourt, Andrea Stracciolini
A 14-year-old female ballet dancer sustained an injury during a routine ballet movement that was diagnosed as an ischial tuberosity avulsion fracture. This diagnosis was complicated by extensive soft tissue injury to the hamstrings, adductors, and external rotator musculature. Although uncommon, the potential for this injury should be uniformly considered in adolescent dancers due to the unique stresses in ballet training and the added risk of growth spurts during this stage of development. Prevention targeting individual deficiencies in flexibility and strength is essential to avoid similar devastating injuries...
December 1, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30477612/can-elite-dancers-return-to-dance-after-ultrasound-guided-platelet-rich-plasma-prp-injections
#4
Nidhi Jain, Phillip A Bauman, William G Hamilton, Alexander Merkle, Ronald S Adler
Dancers exert tremendous stresses on the lower extremities rendering them prone to injuries that can curtail training and performance. The goal of this study was to evaluate clinical improvement in a population of elite dancers following treatment with ultrasound-guided platelet-rich plasma (PRP) injections of various lower extremity sites by assessing when they were able to return to dance. Nineteen dancers (13 female, 6 male; ages 15 to 42) were treated between 2009 and 2016 at sites that included: hamstring tendon (1), proximal iliotibial band (1), patellar tendon (3), posterior tibial tendon (5), peroneus brevis tendon (3), plantar fascia (3), and the first metatarsophalangeal (MTP) joint capsule (3)...
December 1, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30477611/saut%C3%A3-external-rotation-in-beginner-and-advanced-ballet-dancers-trained-in-different-backgrounds-the-turnout-paradigm
#5
Andreja P Picon, Carolina Hart Rodes, Adriano Bittar, Débora Cantergi, Jefferson Loss, Isabel C N Sacco
This study compared lower limb external rotation kinematic patterns during sautés in first position in beginners and experienced ballet dancers with various training backgrounds. The ability to attain a perfect turnout is traditionally thought to be a fundamental aspect of classical ballet, and turnout is identified in the literature as one of the leading causes of dance-related injuries and technical limitations among dancers. Twenty-eight ballet dancers of different technical levels and methods (three groups) were assessed...
December 1, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30477610/quantitative-measures-utilized-in-determining-pointe-readiness-in-young-ballet-dancers
#6
Andrew DeWolf, Alyssa McPherson, Kathryn Besong, Claire Hiller, Carrie Docherty
While an important step in a young dancer's ballet career is the transition to pointe work, there is much controversy as to when her body is physically prepared to meet the increased demands of this development. Pointe screening protocols are being used by many in both the dance studio and dance science communities, but these protocols have not yet been standardized. The purpose of this study was to evaluate objectively the attributes of ballet dancers who are pre-pointe compared to those who have recently begun pointe training, and secondarily to correlate these quantitative findings with qualitative evaluations by the dancers' teachers...
December 1, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30477609/functional-movement-screening-as-a-predictor-of-mechanical-loading-and-performance-in-dancers
#7
Ross Armstrong, Christopher Michael Brogden, Debbie Milner, Debbie Norris, Matt Greig
Dance requires effective functional movement for the prevention of injury, with implications for the biomechanical response to performance. This study investigated the efficacy of the Functional Movement Screening (FMS) in predicting mechanical loading during the Dance Aerobic Fitness Test (DAFT). Twenty-five university dancers (19 females; age: 20.3 ± 0.94 years; height: 162.55 ± 0.05 cm; mass: 58.73 ± 6.3 kg; and 6 males; age: 21.08 ± 2.01 years; height: 175 ± 6.54 cm; mass: 68.16 ± 4.97 kg) were screened using the FMS...
December 1, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30477608/some-effects-of-supplemental-pilates-training-on-the-posture-strength-and-flexibility-of-dancers-17-to-22-years-of-age
#8
Elizabeth Lowe Ahearn, Amanda Greene, Andrea Lasner
Proper alignment in dancers is a pre-requisite for achieving aesthetic line and form and for efficient execution of movement. Pelvic alignment is a common deficit in dancers that results in faulty technique and impaired performance. Dancers must be able to obtain their personal neutral alignment to avoid injury and achieve ease of execution. This study was designed to examine the effects, qualitatively and quantitatively, of Pilates training on pelvic alignment, strength, and flexibility in dancers. Twenty female dancers, 17 to 22 years of age, participated in a screening that consisted of an AlignaBod posture screen, upper abdominal manual muscle test, double leg lower test, straight leg raise test, and modified Thomas test...
December 1, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30477607/influence-of-mirror-feedback-and-ankle-joint-laxity-on-dynamic-balance-in-trained-ballet-dancers
#9
Hannah N Miller, Paige E Rice, Zachary J Felpel, Alyssa M Stirling, Eric N Bengtson, Alan R Needle
Enhanced understanding of dynamic postural stability (DPS) has the potential to curtail lower extremity injuries with important implications for athletic and scientific populations. The ability to stabilize following dynamic tasks such as jumping is dependent on several intrinsic factors, including ligamentous laxity, proprioception, and neuromuscular control. Ballet dancers are a unique group of aesthetic performers who frequently must perform unipedal balance during dynamic tasks. The purpose of this study was to evaluate the effects of mirror feedback and ankle laxity on dynamic balance and muscle activation in 15 trained ballet dancers during a hop-to-stabilization task with and without mirror feedback...
December 1, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30477606/patellar-tendon-stiffness-in-elite-breakdancers-assessed-by-myotonometric-measurement
#10
Fiorella Celsi Young, Iver Cristi-Sánchez, Claudia Danes-Daetz, Juan E Monckeberg, Rony Silvestre Aguirre
Studies that have investigated the epidemiology of injuries in breakdancing have concluded that the second most common injury site is the knee and that the majority of breakdancers have experienced overuse syndrome. Tendon stiffness, the relationship between force applied to a tendon and the resulting displacement, has been identified as a primary mechanical factor in such injuries. However, patellar tendon stiffness has not yet been evaluated in elite breakdancers. Hence, the purpose of this study was to determine mean patellar tendon stiffness in this population by using myotonometric measurements and to compare those results with healthy control subjects...
December 1, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30139423/hoffa-s-disease-in-a-modern-dancer-case-report-and-literature-review
#11
Tina J Wang, Corneliu Vlad Costin
We present the case of a modern dancer at the university level with left knee pain as a result of Hoffa's disease. A comprehensive literature review of Hoffa's disease indicates that it may be an under-recognized condition. Predisposing factors in dance training include torsion and hyperextension at the knee, particularly in conjunction with pelvic instability and weakness. Clinicians should be cognizant of this differential diagnosis when evaluating dancers with knee pain. We present a detailed progressive rehabilitation protocol including transitional interventions for Hoffa's disease in the dancer...
September 15, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30139422/effects-of-static-versus-ballistic-stretching-on-hamstring-quadriceps-strength-ratio-and-jump-performance-in-ballet-dancers-and-resistance-trained-women
#12
Camila D Lima, Lee E Brown, Cassio V Ruas, David G Behm
Stretching, while enhancing joint flexibility, may also decrease the hamstring:quadriceps (H:Q) strength ratio, which is used to identify knee strength imbalances and lower extremity muscle and ligament injury risk in the practice of sports and other physical activities. Stretching may also decrease muscle force and jump performance. However, these effects may depend on the population in question and mode of stretching. The purpose of this study was to compare the effects of static stretching (SS) and ballistic stretching (BS) on concentric H:Q ratio, squat jump (SJ) and countermovement jump (CMJ) height, and SJ:CMJ ratio between ballet dancers and resistance trained women...
September 15, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30139421/effect-of-skilled-dancers-focus-of-attention-on-pirouette-performance
#13
Twinkle Xinling Chua, John Sproule, Wendy Timmons
Extant attentional focus research has largely examined movement tasks that are outcome-focused (e.g., height of jumps, force production, and number of successful turns) with fewer studies of the movement quality or form of an aesthetic discipline (e.g., dance, gymnastics, and ice-skating). In this study, both movement form and outcomebased measures were used to assess the performance of a pirouette. Thirteen skilled dancers performed pirouettes on a force plate under three trial conditions: control (no focus instruction), external focus instruction, and internal focus instruction...
September 15, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30139420/the-influence-of-fatigue-on-star-excursion-balance-test-performance-in-dancers
#14
Ross Armstrong, Christopher Michael Brogden, Debbie Milner, Debbie Norris, Matt Greig
Dance is associated with a high risk of injury and fatigue is often a contributing factor. The Star Excursion Balance Test (SEBT) has been used to identify alterations in normal movement that may contribute to injury risk; however, there has been limited investigation of the potential effects of fatigue. The aim of this study was to explore the influence of dance-specific fatigue on SEBT performance, with implications for injury and performance in dance. Thirty-five university dancers completed the modified SEBT in anterior, posterolateral, and posteromedial directions prior to and immediately following the Dance Aerobic Fitness Test (DAFT)...
September 15, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30139419/acute-caffeine-supplementation-does-not-change-sweat-rate-and-blood-pressure-in-ballet-dancers-a-double-blind-and-placebo-controlled-study
#15
RANDOMIZED CONTROLLED TRIAL
Fabio S Lira, Fabírcio E Rossi, Erick P de Oliveira, Ana C B Marini, João F Mota, Gustavo D Pimentel
This study sought to investigate the effect of oral caffeine supplementation on sweat rate and blood pressure in ballet dancers. A double-blind study with placebo control was conducted with nine professional ballet dancers (average age: 28.5 ± 8.8 years). Oral caffeine supplementation (400 mg per dancer, 6.3 mg/kg, range: 4.9 to 8.6 mg/kg) was ingested one hour before a ballet session that was 5 hours in length. After 3 days a second 5-hour session was performed prior to which a placebo was given to the participants...
September 15, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30139418/self-reported-hip-problems-in-professional-ballet-dancers-the-impact-on-quality-of-life
#16
Claire Gross, Monica Rho, Daniel Aguilar, Maria Reese
Hip problems are common in ballet dancers, and it is likely that dancers' perceived quality of life is impaired by their presence. There are no instruments to detect functional impairments related to hip injuries in young, athletic populations. The aim of this study was to evaluate the impact of hip related problems on the quality of life in professional ballet dancers. Thirty-seven professional ballet dancers, ages 18 to 33, completed a post-hire health screening prior to the start of their company's season...
September 15, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30139417/a-new-version-of-the-madaami-method-for-assessing-lower-limb-alignment-during-demi-pli%C3%A3-grand-pli%C3%A3-and-fondu
#17
Kaanda Nabilla Souza Gontijo, Claudia Tarragô Candotti, Maiane Almeida do Amaral, Gabriela Cristina Dos Santos, Valerie Williams, Jefferson Fagundes Loss
The MADAAMI (Método de Avaliação Dinâmica do Alinhamento Articular dos Membros Inferiores-Dynamic Evaluation Method of Lower Limb Joint Alignment) is an instrument that has been developed and validated with the aim of providing direct, simple, and practical support for the identification of compensations and misalignments of joints. The first version of the instrument had some limitations. The goals of the present study are to update the instrument (MADAAMI-II), evaluate its content validity, and verify inter-rater and intra-rater reproducibility during the execution of demi-plié, grand plié, and fondu in two turnout positions of classical ballet (120° and self-reported) and in parallel foot position...
September 15, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/30139416/use-of-triaxial-accelerometry-during-the-dance-aerobic-fitness-test-considerations-for-unit-positioning-and-implications-for-injury-risk-and-performance
#18
Chris Michael Brogden, Ross Armstrong, Richard Page, Debbie Milner, Debbie Norris, Matt Greig
Injury incidence in dance is high, in large part due to the frequency of repetitive and complex movements that require the lower limb to absorb and utilize extreme forces. The aim of this study was to quantify the biomechanical demands of the Dance Aerobic Fitness Test (DAFT) via triaxial accelerometry and utilize it to compare loading at the cervical spine and distal aspect of the lower limb. University dancers (N = 26; age: 20.0 ± 1.5 years; height: 1.61 ± 0.08 m; body mass: 58.40 ± 6.20 kg) completed two trials (one familiarization and one experimental) of the DAFT, consisting of five incremental levels of dance performance...
September 15, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/29843888/shame-and-anxiety-the-mediating-role-of-childhood-adversity-in-dancers
#19
Paula Thomson, S Victoria Jaque
The combination of shame, anxiety, and a history of childhood maltreatment can have devastating effects on self-esteem and on the morbidity and mortality of an individual. Shame is a natural emotion evoked in social evaluative settings. Without some degree of shame, goal attainment is less likely. However, high levels of shame may increase pathology and decrease performance. In this crosssectional study, pre-professional and professional dancers were divided into two shame groupings: low (N = 193) and high (N = 25)...
June 15, 2018: Journal of Dance Medicine & Science
https://read.qxmd.com/read/29843887/pain-and-injury-in-elite-adolescent-irish-dancers-a-cross-sectional-study
#20
Roisin Cahalan, Norma Bargary, Kieran O'Sullivan
Dance is an extremely popular activity among adolescents and has a range of associated physical and psychological health benefits. However, pain and injury in young elite dancers is pervasive, and the underlying risk factors are poorly understood. This study investigated the incidence of pain and injury in elite adolescent Irish dancers and examined a range of potentially associated biopsychosocial risk factors. Thirty-seven championship level Irish dancers completed baseline questionnaires recording any episode of pain or injury over the previous 12 months...
June 15, 2018: Journal of Dance Medicine & Science
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