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https://www.readbyqxmd.com/read/28287028/technique-analysis-in-elite-athletes-using-principal-component-analysis
#1
Øyvind Gløersen, Håvard Myklebust, Jostein Hallén, Peter Federolf
The aim of this study was to advance current movement analysis methodology to enable a technique analysis in sports facilitating (1) concurrent comparison of the techniques between several athletes; (2) identification of potentially beneficial technique modifications and (3) a visual representation of the findings for feedback to the athletes. Six elite cross-country skiers, three world cup winners and three national elite, roller ski skated using the V2 technique on a treadmill while their movement patterns were recorded using 41 reflective markers...
March 13, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28080120/a-goal-bias-in-action-the-boundaries-adults-perceive-in-events-align-with-sites-of-actor-intent
#2
Dani Levine, Kathy Hirsh-Pasek, Amy Pace, Roberta Michnick Golinkoff
We live in a dynamic world comprised of continuous events. Remembering our past and predicting future events, however, requires that we segment these ongoing streams of information in a consistent manner. How is this segmentation achieved? This research examines whether the boundaries adults perceive in events, such as the Olympic figure skating routine used in these studies, align with the beginnings (sources) and endings (goals) of human goal-directed actions. Study 1 showed that a group of experts, given an explicit task with unlimited time to rewatch the event, identified the same subevents as one another, but with greater agreement as to the timing of goals than sources...
June 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/27473113/a-quasi-experimental-examination-of-how-school-based-physical-activity-changes-impact-secondary-school-student-moderate-to-vigorous-intensity-physical-activity-over-time-in-the-compass-study
#3
Stephen Hunter, Scott T Leatherdale, Kate Storey, Valerie Carson
BACKGROUND: Adolescence is characterized by low moderate- to vigorous- intensity physical activity (MVPA) levels. Targeting the school setting can increase MVPA among a large proportion of adolescents. However, school-based physical activity interventions for adolescents remain largely ineffective. Therefore, the purpose of this study was to examine how naturally-occurring changes to school physical activity policy, recreational programming, public health resources, and the physical environment, impact adolescent MVPA over a 1-year period...
July 29, 2016: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/27458406/-it-s-always-the-judge-s-fault-attention-emotion-recognition-and-expertise-in-rhythmic-gymnastics-assessment
#4
Lindsey G van Bokhorst, Lenka Knapová, Kim Majoranc, Zea K Szebeni, Adam Táborský, Dragana Tomić, Elena Cañadas
In many sports, such as figure skating or gymnastics, the outcome of a performance does not rely exclusively on objective measurements, but on more subjective cues. Judges need high attentional capacities to process visual information and overcome fatigue. Also their emotion recognition abilities might have an effect in detecting errors and making a more accurate assessment. Moreover, the scoring given by judges could be also influenced by their level of expertise. This study aims to assess how rhythmic gymnastics judges' emotion recognition and attentional abilities influence accuracy of performance assessment...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27361951/bmd-in-figure-skating-retrospective-analysis-with-event-gender-leg-dominance-and-vitamin-d-status-3585-board-24-june-4-8-00-am-9-30-am
#5
Kristina Comer, Margaret Harris, Peter Zapalo, Jen Burke, Nanna Meyer
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27360134/cross-validation-of-a-figure-skating-blade-instrumented-to-measure-figure-skating-impact-forces-991-board-307-june-1-3-30-pm-5-00-pm
#6
Cody Stahl, Deborah King, Noelle Tuttle, Steven Charles, Chris Adair, Blake Harper, Sarah Ridge
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27116350/anthropometry-physical-fitness-and-coordination-of-young-figure-skaters-of-different-levels
#7
M Mostaert, F Deconinck, J Pion, M Lenoir
The aim of the present study was to identify anthropometric, physical, coordinative and ice-skating specific characteristics that discriminate young elite ice skaters from non-elite skaters and their non-skating peers. 32 skaters aged 9-12 years old (11 elites and 21 non-elites) voluntarily participated in the study. They were submitted to 5 anthropometric, 7 physical, 3 coordination and 5 ice-skating specific tests. Reference values of a representative healthy non-skating sample were taken from the Flemish Sports Compass dataset...
June 2016: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/27100316/difference-in-agility-strength-and-flexibility-in-competitive-figure-skaters-based-on-level-of-expertise-and-skating-discipline
#8
Lindsay V Slater, Melissa Vriner, Peter Zapalo, Kat Arbour, Joseph M Hart
Slater, LV, Vriner, M, Zapalo, P, Arbour, K, and Hart, JM. Difference in agility, strength, and flexibility in competitive figure skaters based on level of expertise and skating discipline. J Strength Cond Res 30(12): 3321-3328, 2016-Figure skating is an extremely difficult sport that requires a combination of grace, artistry, flexibility, speed, and power. Although many skaters are involved with strength and conditioning programs, there is no current information about differences in off-ice performance measures based on skating discipline and level...
December 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27031318/amenorrhea-in-the-female-athlete-what-to-do-and-when-to-worry
#9
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/26884224/sports-injuries-and-illnesses-during-the-2015-winter-european-youth-olympic-festival
#10
G Ruedl, M Schnitzer, W Kirschner, R Spiegel, H Platzgummer, M Kopp, M Burtscher, E Pocecco
BACKGROUND: The prevention of injury and illness remains an important issue among young elite athletes. Systematic surveillance of injuries and illnesses during multi-sport events might provide a valuable basis to develop preventive measures, focusing especially on adequate information for youth athletes. AIM: To analyse the frequencies and characteristics of injuries and illnesses during the 2015 Winter European Youth Olympic Festival (W-EYOF). METHODS: All National Olympic Committees were asked to report daily the occurrence or non-occurrence of newly sustained injuries and illnesses on a standardised reporting form...
May 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/26860638/annotated-checklist-of-the-living-sharks-batoids-and-chimaeras-chondrichthyes-of-the-world-with-a-focus-on-biogeographical-diversity
#11
S Weigmann
An annotated checklist of the chondrichthyan fishes (sharks, batoids and chimaeras) of the world is presented. As of 7 November 2015, the number of species totals 1188, comprising 16 orders, 61 families and 199 genera. The checklist includes nine orders, 34 families, 105 genera and 509 species of sharks; six orders, 24 families, 88 genera and 630 species of batoids (skates and rays); one order, three families, six genera and 49 species of holocephalans (chimaeras). The most speciose shark orders are the Carcharhiniformes with 284 species, followed by the Squaliformes with 119...
March 2016: Journal of Fish Biology
https://www.readbyqxmd.com/read/26730687/microinstability-of-the-hip-and-the-splits-radiograph
#12
Joshua D Harris, Brayden J Gerrie, David M Lintner, Kevin E Varner, Patrick C McCulloch
A normal hip has a natural tendency toward stability because of both osseous and soft tissue structures. Hip motion is primarily rotational around a center of rotation. When the femoral head and its center of rotation translate, with or without rotation, the inherent stability of the femoroacetabular articulation may be lost. The spectrum of hip instability ranges from subtle microinstability to traumatic dislocation. Microinstability may be the cause or the effect of several other hip pathologies. Soft tissue contributions to stability include the static capsule, dynamic musculotendinous units, and underlying generalized connective tissue (eg, Ehlers-Danlos)...
January 2016: Orthopedics
https://www.readbyqxmd.com/read/26674524/lower-extremity-overuse-conditions-affecting-figure-skaters-during-daily-training
#13
Valentina Campanelli, Francesco Piscitelli, Luciano Verardi, Pauline Maillard, Andrea Sbarbati
BACKGROUND: Most ice figure skaters train and compete with ongoing issues in the lower extremities, which are often overlooked by the skaters and considered injuries only when they prevent the athletes from skating. Although not severe, these conditions impair the quality of daily training and compromise the skaters' state of mind and performances. PURPOSE: (1) To determine the point prevalence of the ongoing lower extremity overuse conditions in a population of ice figure skaters of all ages and levels and (2) to identify the risk factors contributing to the development of the most common ongoing conditions...
July 2015: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/26618059/rolling-revisited-using-rolling-to-assess-and-treat-neuromuscular-control-and-coordination-of-the-core-and-extremities-of-athletes
#14
Barbara J Hoogenboom, Michael L Voight
UNLABELLED: Rolling is a movement pattern seldom used by physical therapists for assessment and intervention with adult clientele with normal neurologic function. Rolling, as an adult motor skill, combines the use of the upper extremities, core, and lower extremities in a coordinated manner to move from one posture to another. Rolling is accomplished from prone to supine and supine to prone, although the method by which it is performed varies among adults. Assessment of rolling for both the ability to complete the task and bilateral symmetry may be beneficial for use with athletes who perform rotationally-biased sports such as golf, throwing, tennis, and twisting sports such as dance, gymnastics, and figure skating...
November 2015: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/26614979/conditioning-methodologies-for-dancesport-lessons-from-gymnastics-figure-skating-and-concert-dance-research
#15
David Outevsky, Blake Cw Martin
OBJECTIVES: Dancesport, the competitive branch of ballroom dancing, places high physiological and psychological demands on its practitioners, but pedagogical resources in these areas for this dance form are limited. Dancesport competitors could benefit from strategies used in other aesthetic sports. In this review, we identify conditioning methodologies from gymnastics, figure skating, and contemporary, modern, and ballet dance forms that could have relevance and suitability for dancesport training, and propose several strategies for inclusion in the current dancesport curriculum...
December 2015: Medical Problems of Performing Artists
https://www.readbyqxmd.com/read/26360965/anthropometric-and-somatotype-characteristics-of-world-class-male-roller-skaters-by-discipline
#16
H Vila, J A Abraldes, N Rodríguez, C Ferragut
AIM: The aim of this study was twofold: 1) to describe the anthropometric profile and somatotype of the elite male roller skaters; and: 2) to assess if there are any differences in these items by roller skating discipline (figures, freestyle, pair and dance). METHODS: Eighty-eight male skater participants in the 51st Figure Roller Skating World Championship were selected for the study. The International Society for the Advancement of Kinanthropometry (ISAK) protocol was used to determine the anthropometric profile of the figure skaters...
July 2015: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/26244218/the-biomechanics-of-cranial-forces-during-figure-skating-spinning-elements
#17
David H Wang, Regina O Kostyun, Matthew J Solomito
Several facets of figure skating, such as the forces associated with jumping and landing, have been evaluated, but a comprehensive biomechanical understanding of the cranial forces associated with spinning has yet to be explored. The purpose of this case study was to quantify the cranial rotational acceleration forces generated during spinning elements. This case report was an observational, biomechanical analysis of a healthy, senior-level, female figure skating athlete who is part of an on-going study. A triaxial accelerometer recorded the gravitational forces (G) during seven different spinning elements...
March 2015: Connecticut Medicine
https://www.readbyqxmd.com/read/26137181/the-hyperflexible-hip-managing-hip-pain-in-the-dancer-and-gymnast
#18
Alexander E Weber, Asheesh Bedi, Lisa M Tibor, Ira Zaltz, Christopher M Larson
CONTEXT: Dance, gymnastics, figure skating, and competitive cheerleading require a high degree of hip range of motion. Athletes who participate in these sports use their hips in a mechanically complex manner. EVIDENCE ACQUISITION: A search of the entire PubMed database (through December 2013) and additional searches of the reference lists of pertinent articles. STUDY DESIGN: Systematic review. LEVEL OF EVIDENCE: Level 3...
July 2015: Sports Health
https://www.readbyqxmd.com/read/25710078/effect-of-custom-foot-insoles-on-postural-stability-in-figure-skaters-while-on-ice
#19
Gurtej S Grewal, Rachel Baisch, Jacqueline Lee-Eng, Stephaine Wu, Beth Jarrett, Neil Humble, Bijan Najafi
CONTEXT: Improvements in postural stability in figure skaters can play a significant role in performance, as well as reducing fall risk. OBJECTIVE: To explore the effect of custom foot insoles on postural stability in advanced figure skaters. DESIGN: Exploratory study. SETTING: Out of laboratory. PARTICIPANTS: Nine advanced figure skaters were recruited and 7 completed the study (age 38 ± 18.5 y, body-mass index 25 ± 3...
August 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/25693799/large-scale-interlaboratory-study-to-develop-analytically-validate-and-apply-highly-multiplexed-quantitative-peptide-assays-to-measure-cancer-relevant-proteins-in-plasma
#20
Susan E Abbatiello, Birgit Schilling, D R Mani, Lisa J Zimmerman, Steven C Hall, Brendan MacLean, Matthew Albertolle, Simon Allen, Michael Burgess, Michael P Cusack, Mousumi Gosh, Victoria Hedrick, Jason M Held, H Dorota Inerowicz, Angela Jackson, Hasmik Keshishian, Christopher R Kinsinger, John Lyssand, Lee Makowski, Mehdi Mesri, Henry Rodriguez, Paul Rudnick, Pawel Sadowski, Nell Sedransk, Kent Shaddox, Stephen J Skates, Eric Kuhn, Derek Smith, Jeffery R Whiteaker, Corbin Whitwell, Shucha Zhang, Christoph H Borchers, Susan J Fisher, Bradford W Gibson, Daniel C Liebler, Michael J MacCoss, Thomas A Neubert, Amanda G Paulovich, Fred E Regnier, Paul Tempst, Steven A Carr
There is an increasing need in biology and clinical medicine to robustly and reliably measure tens to hundreds of peptides and proteins in clinical and biological samples with high sensitivity, specificity, reproducibility, and repeatability. Previously, we demonstrated that LC-MRM-MS with isotope dilution has suitable performance for quantitative measurements of small numbers of relatively abundant proteins in human plasma and that the resulting assays can be transferred across laboratories while maintaining high reproducibility and quantitative precision...
September 2015: Molecular & Cellular Proteomics: MCP
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