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Open Access Journal of Sports Medicine

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https://www.readbyqxmd.com/read/29970969/are-adolescent-elite-athletes-less-psychologically-distressed-than-controls-a-cross-sectional-study-of-966-norwegian-adolescents
#1
Jan H Rosenvinge, Jorunn Sundgot-Borgen, Gunn Pettersen, Marianne Martinsen, Annett Victoria Stornæs, Anne Marte Pensgaard
Introduction: Psychological distress is increasing among adolescents and clusters with other mental health problems such as eating problems. The aim of this study was to investigate the prevalence of psychological distress among young elite athletes and age-matched controls and whether prevalence figures may be attributed to perfectionism and eating problems. Methods: First-year athletes from all Norwegian elite sport high schools (n=711) and 500 students from randomly selected ordinary high schools were eligible for this cross-sectional study...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29942166/influence-of-different-soccer-specific-maximal-actions-on-physiological-perceptual-and-accelerometer-measurement-loads
#2
Terje Dalen, Ørjan Øverås, Roland van den Tillaar, Boye Welde, Erna Dianne von Heimburg
Background: The aim of this study was to compare the effect of different soccer-specific maximal actions (Continuous run, Sprint, Sprint with change of direction [Sprint COD], Jump and Shot) upon physiological (oxygen uptake and heart rate) and perceptual (rating of perceived exertion [RPE]) responses and accelerometer load. Materials and methods: Ten moderately to well-trained male soccer players volunteered to serve as subjects in this study. A repeated within-subject design was used in which each subject was tested on five occasions on different days, one test each day, during a period of 2 weeks...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29872355/potential-factors-associated-with-knee-pain-in-cyclists-a-systematic-review
#3
REVIEW
Rodrigo Rico Bini, Alice Flores Bini
The potential factors associated with overuse injuries and pain in cyclists that are supported by evidence remain unclear. Our study aimed at assessing, using a systematic search of the most updated evidence, the main factors related to overuse knee-related pain and/or injuries in cyclists. The search assessed any potential mechanism related to knee pain or injury that could be used in the clinical practice. Databases were searched (i.e., PubMed, Scopus, Web of Science, and EBSCO). Studies were included if they presented results from original studies...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29760574/seasonal-variations-in-body-composition-maximal-oxygen-uptake-and-gas-exchange-threshold-in-cross-country-skiers
#4
Metin Polat, Selcen Korkmaz Eryılmaz, Sami Aydoğan
Introduction: In order to ensure that athletes achieve their highest performance levels during competitive seasons, monitoring their long-term performance data is crucial for understanding the impact of ongoing training programs and evaluating training strategies. The present study was thus designed to investigate the variations in body composition, maximal oxygen uptake (VO2max ), and gas exchange threshold values of cross-country skiers across training phases throughout a season. Materials and methods: In total, 15 athletes who participate in international cross-country ski competitions voluntarily took part in this study...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29750058/australian-cardiac-rehabilitation-exercise-parameter-characteristics-and-perceptions-of-high-intensity-interval-training-a-cross-sectional-survey
#5
Amanda L Hannan, Wayne Hing, Mike Climstein, Jeff S Coombes, James Furness, Rohan Jayasinghe, Joshua Byrnes
Purpose: This study explored current demographics, characteristics, costs, evaluation methods, and outcome measures used in Australian cardiac rehabilitation (CR) programs. It also determined the actual usage and perceptions of high-intensity interval training (HIIT). Methods: A cross-sectional observational web-based survey was distributed to 328 Australian CR programs nationally. Results: A total of 261 programs completed the survey (79...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29593438/glenohumeral-internal-rotation-deficit-in-throwing-athletes-current-perspectives
#6
REVIEW
Michael B Rose, Thomas Noonan
Glenohumeral internal rotation deficit (GIRD) is an adaptive process in which the throwing shoulder experiences a loss of internal rotation (IR). GIRD has most commonly been defined by a loss of >20° of IR compared to the contralateral shoulder. Total rotational motion of the shoulder is the sum of internal and external rotation and may be more important than the absolute value of IR loss. Pathologic GIRD has been defined as a loss of IR combined with a loss of total rotational motion. The leading pathologic process in GIRD is posterior capsular and rotator-cuff tightness, due to the repetitive cocking that occurs with the overhead throwing motion...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29588622/physical-activity-after-total-joint-arthroplasty-a-narrative-review
#7
REVIEW
Gustavo J Almeida, Samannaaz S Khoja, Sara R Piva
Background: Total joint arthroplasty (TJA) is a common procedure to treat individuals with hip and knee osteoarthritis. While TJAs are successful in decreasing pain and improving quality of life, it is unclear whether individuals who undergo TJA become more physically active after surgery. It is possible that TJA, by itself, is not sufficient to affect the behavior of patients toward physical activity (PA) participation. To increase PA participation, individuals with TJA may need to be exposed to exercise/behavioral interventions specifically aimed to promote PA (ie, in addition to the surgery)...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29563845/using-a-site-specific-technical-error-to-establish-training-responsiveness-a-preliminary-explorative-study
#8
Ryan M Weatherwax, Nigel K Harris, Andrew E Kilding, Lance C Dalleck
Background: Even though cardiorespiratory fitness (CRF) training elicits numerous health benefits, not all individuals have positive training responses following a structured CRF intervention. It has been suggested that the technical error (TE), a combination of biological variability and measurement error, should be used to establish specific training responsiveness criteria to gain further insight on the effectiveness of the training program. To date, most training interventions use an absolute change or a TE from previous findings, which do not take into consideration the training site and equipment used to establish training outcomes or the specific cohort being evaluated...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29535560/age-of-peak-performance-in-50-km-ultramarathoners-is-it-older-than-in-marathoners
#9
Pantelis Theodoros Nikolaidis, Beat Knechtle
Purpose: Despite the increasing popularity of 50-km ultramarathons during the last few years, only limited information is available regarding the trends in its performance and participation. The aim of the present study was to examine the age of peak running performance in female and male 50-km ultramarathoners using second-order nonlinear regression analyses. Methods: Data from 494,414 runners (124,045 women and 370,369 men) who finished a 50-km ultramarathon between 1975 to 2016 were analyzed...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29503588/the-relationship-of-wearing-a-wetsuit-in-long-distance-open-water-swimming-with-sex-age-calendar-year-performance-and-nationality-crossing-the-strait-of-gibraltar
#10
Pantelis Theodoros Nikolaidis, Caio Victor Sousa, Beat Knechtle
Aim: The aim of the present study was to investigate the relationship of wearing a wetsuit with sex, age group, nationality, calendar year, and performance in crossing the "Strait of Gibraltar"(14.3 km). Materials and methods: A sample of 1,130 open-water (females, n=180, age 35.9±11.9 years; males, n=950, age 40.0±10.2 years) ultra-distance swimmers crossing the "Strait of Gibraltar" since 1950 was analyzed. Results: Male, older, and Spanish swimmers used wetsuits more often than female, younger, and athletes of other nationalities, respectively, and the use of the wetsuit has increased during the past three decades...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29440939/pacing-in-a-94-year-old-runner-during-a-6-hour-run
#11
Beat Knechtle, Pantelis T Nikolaidis
It is well known that elderly people up to 90 years of age are able to finish a marathon. We have no knowledge, however, how runners at the age of 90 years or older pace during a long run. In this case report, we describe the pacing of a 94-year-old man competing in a 6-hour run in order to prepare for a marathon at the age of 95 years in category M95. In the "6-Stunden-Lauf " held in Brugg, Switzerland, participants have to run as many laps of 0.934 km as possible on a completely flat circuit within 6 hours to achieve as many kilometers as possible...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29416382/high-intensity-interval-training-versus-moderate-intensity-continuous-training-within-cardiac-rehabilitation-a-systematic-review-and-meta-analysis
#12
REVIEW
Amanda L Hannan, Wayne Hing, Vini Simas, Mike Climstein, Jeff S Coombes, Rohan Jayasinghe, Joshua Byrnes, James Furness
Background: Aerobic capacity has been shown to be inversely proportionate to cardiovascular mortality and morbidity and there is growing evidence that high-intensity interval training (HIIT) appears to be more effective than moderate-intensity continuous training (MICT) in improving cardiorespiratory fitness within the cardiac population. Previously published systematic reviews in cardiovascular disease have neither investigated the effect that the number of weeks of intervention has on cardiorespiratory fitness changes, nor have adverse events been collated...
2018: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29276416/impact-of-lowering-ski-binding-settings-on-the-outcome-of-the-self-release-test-of-ski-bindings-among-female-recreational-skiers
#13
Markus Posch, Martin Burtscher, Alois Schranz, Katja Tecklenburg, Kenneth Helle, Gerhard Ruedl
Background and purpose: The ability to successfully self-release the ski binding can prevent skiing-related injuries of the lower extremities. Failure of binding release associated with a knee injury is significantly higher among females compared to males. The International Standards Organization ISO 11088 standard for binding setting values allows a lowering by 15% upon request of the skier. Thus, the aim of this study was to evaluate the impact of lowered ski binding settings by 15% on the outcome of the self-release test among female recreational skiers...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29270034/occult-atrial-fibrillation-in-endurance-athletes
#14
Ashim Aggarwal, Jeffrey J Heslop, Rebecca R Wigant, Suneetha Venkatapuram, Stephanie J Hillis, Alan R Parr, Hakan Oral, Timir S Baman
No abstract text is available yet for this article.
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29225481/perspectives-on-high-intensity-interval-exercise-for-health-promotion-in-children-and-adolescents
#15
REVIEW
Bert Bond, Kathryn L Weston, Craig A Williams, Alan R Barker
Physical activity lowers future cardiovascular disease (CVD) risk; however, few children and adolescents achieve the recommended minimum amount of daily activity. Accordingly, there is virtue in identifying the efficacy of small volumes of high-intensity exercise for health benefits in children and adolescents for the primary prevention of CVD risk. The purpose of this narrative review is to provide a novel overview of the available literature concerning high-intensity interval-exercise (HIIE) interventions in children and adolescents...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29200895/physiological-and-training-characteristics-of-recreational-marathon-runners
#16
Dan Gordon, Sarah Wightman, Itay Basevitch, James Johnstone, Carolina Espejo-Sanchez, Chelsea Beckford, Mariette Boal, Adrian Scruton, Mike Ferrandino, Viviane Merzbach
Purpose: The aim of this study was to examine the physical and training characteristics of recreational marathon runners within finish time bandings (2.5-3 h, 3-3.5 h, 3.5-4 h, 4-4.5 h and >4.5 h). Materials and methods: A total of 97 recreational marathon runners (age 42.4 ± 9.9 years; mass 69.2 ± 11.3 kg; stature 172.8 ± 9.1 cm), with a marathon finish time of 229.1 ± 48.7 min, of whom n = 34 were female and n = 63 were male, completed an incremental treadmill test for the determination of lactate threshold (LT1), lactate turn point (LT2) and running economy (RE)...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29138605/effect-of-creatine-supplementation-during-resistance-training-on-lean-tissue-mass-and-muscular-strength-in-older-adults-a-meta-analysis
#17
REVIEW
Philip D Chilibeck, Mojtaba Kaviani, Darren G Candow, Gordon A Zello
The loss of muscle mass and strength with aging results in significant functional impairment. Creatine supplementation has been used in combination with resistance training as a strategy for increasing lean tissue mass and muscle strength in older adults, but results across studies are equivocal. We conducted a systematic review and meta-analysis of randomized controlled trials of creatine supplementation during resistance training in older adults with lean tissue mass, chest press strength, and leg press strength as outcomes by searching PubMed and SPORTDiscus databases...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29138604/sport-related-anxiety-current-insights
#18
REVIEW
Jessica L Ford, Kenneth Ildefonso, Megan L Jones, Monna Arvinen-Barrow
To date, much research has been devoted to understanding how anxiety can affect sport performance, both in practice and in competitive settings. It is well known that sport has the potential for high levels of stress and anxiety, and that practicing and employing a range of psychological strategies can be beneficial in anxiety management. Equally, growing evidence also suggests that anxiety can play a role in sport injury prevention, occurrence, rehabilitation, and the return to sport process. The purpose of this paper is to provide current insights into sport-related anxiety...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29070955/patellofemoral-pain-in-athletes-clinical-perspectives
#19
REVIEW
Farzin Halabchi, Maryam Abolhasani, Maryam Mirshahi, Zahra Alizadeh
Patellofemoral pain (PFP) is a very common problem in athletes who participate in jumping, cutting and pivoting sports. Several risk factors may play a part in the pathogenesis of PFP. Overuse, trauma and intrinsic risk factors are particularly important among athletes. Physical examination has a key role in PFP diagnosis. Furthermore, common risk factors should be investigated, such as hip muscle dysfunction, poor core muscle endurance, muscular tightness, excessive foot pronation and patellar malalignment...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/29070954/race-predictors-and-hemodynamic-alteration-after-an-ultra-trail-marathon-race
#20
Noppon Taksaudom, Natee Tongsiri, Amarit Potikul, Chawakorn Leampriboon, Apichat Tantraworasin, Anong Chaiyasri
OBJECTIVE: Unique rough-terrain ultra-trail running races have increased in popularity. Concerns regarding the suitability of the candidates make it difficult for organizers to manage safety regulations. The purpose of this study was to identify possible race predictors and assess hemodynamic change after long endurance races. METHODS: We studied 228 runners who competed in a 66 km-trail running race. A questionnaire and noninvasive hemodynamic flow assessment including blood pressure, heart rate, stroke volume, stroke volume variation, systemic vascular resistance, cardiac index, and oxygen saturation were used to determine physiologic alterations and to identify finish predictors...
2017: Open Access Journal of Sports Medicine
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