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https://www.readbyqxmd.com/read/29630075/correction-cracking-the-code-for-maintaining-quality-training-in-olympic-distance-triathlon-lessons-learnt-from-a-squad-of-elite-scandinavian-athletes
#1
(no author information available yet)
[This corrects the article DOI: 10.1136/bmjsem-2017-000274.][This corrects the article DOI: 10.1136/bmjsem-2017-000274.].
2018: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29559317/the-associations-between-training-load-and-baseline-characteristics-on-musculoskeletal-injury-and-pain-in-endurance-sport-populations-a-systematic-review
#2
REVIEW
R Johnston, R Cahalan, M O'Keeffe, K O'Sullivan, T Comyns
OBJECTIVES: To determine the associations between training load, baseline characteristics (e.g. age or previous injury) and rate of musculoskeletal injury and/or pain specifically within an Endurance Sporting Population (ESP). DESIGN: Prospectively registered systematic review. METHODS: Eight electronic databases were searched by two independent reviewers. Studies were required to prospectively monitor both (i) training loads and (ii) musculoskeletal injury and/or pain for >3 months...
March 14, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29504836/changes-in-physiological-and-performance-variables-in-non-professional-triathletes-after-taking-part-in-an-olympic-distance-triathlon
#3
Guillermo Olcina, Rafael Timón, Javier Brazo-Sayavera, Ismael Martínez-Guardado, Marta Marcos-Serrano, Carmen Crespo
Given increasing popularity of triathlon, the objective of this study was to evaluate the acute effects upon the health of triathletes. To do so, with a sample of 23 male athletes (34.4 ± 7.9 years old), an assessment was carried out both before and after an Olympic distance triathlon, of the bodily composition, the jumping ability and the BORG and VAS scales, as well as a blood analysis of the following: Lactate (mmol/L), Hematrocrit (%), Glucose (mg/dL), Total proteins (mg/dL), Triglycerides (mg/dL), Bilirubin (mg/dL), GOT (IU/L), GPT (IU/L), LDH (IU/L), CPK (IU/L)...
March 5, 2018: Research in Sports Medicine
https://www.readbyqxmd.com/read/29406454/what-is-the-long-term-survivorship-of-cruciate-retaining-tka-in-the-finnish-registry
#4
Emmi Montonen, Inari Laaksonen, Markus Matilainen, Antti Eskelinen, Jaason Haapakoski, Ari-Pekka Puhto, Jarkko Leskinen, Jukka Kettunen, Mikko Manninen, Keijo T Mäkelä
BACKGROUND: Survival of cruciate-retaining (CR) TKA is generally good, but there may be important differences in survivorship among devices, and different designs may not all be equally patellar-friendly. Large registry databases are needed to identify small but important differences between devices. QUESTIONS/PURPOSES: The purposes of this study were (1) to assess the long-term survivorship of the most common CR TKA devices with revision for any reason as the endpoint and compare the revision risk of these devices after controlling for the potentially confounding variables of age, sex, hospital volume, and primary diagnosis; and (2) to analyze these same devices with revision for secondary resurfacing of the patella as a separate endpoint...
February 2, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29369834/oral-hypertonic-saline-is-effective-in-reversing-acute-mild-to-moderate-symptomatic-exercise-associated-hyponatremia
#5
Eileen Bridges, Tawfeeq Altherwi, José A Correa, Tamara Hew-Butler
OBJECTIVES: To determine whether oral administration of 3% hypertonic saline (HTS) is as efficacious as intravenous (IV) 3% saline in reversing symptoms of mild-to-moderate symptomatic exercise-associated hyponatremia (EAH) in athletes during and after a long-distance triathlon. DESIGN: Noninferiority, open-label, parallel-group, randomized control trial to IV or oral HTS. We used permuted block randomization with sealed envelopes, containing the word either "oral" or "IV...
January 23, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29369014/the-categorization-of-amateur-cyclists-as-research-participants-findings-from-an-observational-study
#6
Jose Ignacio Priego Quesada, Zachary Y Kerr, William M Bertucci, Felipe P Carpes
Sampling bias is an issue for research involving cyclists. The heterogeneity of cyclist populations, on the basis of skill level and riding purpose, can generate incorrect inferences about one specific segment of the population of interest. In addition, a more accurate categorization would be helpful when physiological parameters are not available. This study proposes using self-reported data to categorize amateur cyclist types by varying skill levels and riding purposes, therefore improving sample selection in experimental studies...
January 25, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29359299/comparing-the-efficacy-of-the-total-stabilizing-and-posterior-stabilizing-knee-prostheses-in-obese-and-preobese-females-a-retrospective-cohort-study
#7
Kellen Worhacz, Marc C Jacofsky, David J Jacofsky, Sarim Ahmed
Obesity is associated with increased surgical complications that may lead to suboptimal total knee arthroplasty (TKA) outcomes. Additionally, females exhibit increased rates of severe, clinical osteoarthritis OA, along with increased ligamentous laxity. Therefore, obese females present a particularly challenging case for TKA with increased joint loads coupled with a propensity for instability. This study retrospectively analyzed knee range of motion and stability of one TKA designs with two different degrees of polyethylene conformity in the obese female population...
January 22, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29345161/caffeine-improves-triathlon-performance-a-field-study-in-males-and-females
#8
Sunita Potgieter, Hattie H Wright, Carine Smith
The ergogenic effect of caffeine on endurance exercise is commonly accepted. We aimed to elucidate realistically the effect of caffeine on triathlon event performance using a field study design, while allowing investigation into potential mechanisms at play. A double-blind, randomized, crossover, field trial was conducted. Twenty-six triathletes (14 males, 12 females) participated (age: 37.8±10.6 years, habitual caffeine intake: 413±505 mg/day, percentage body fat: 14.5±7.2%, training/week: 12.8±4.5 hours)...
January 18, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29275115/results-of-cemented-vs-cementless-primary-total-knee-arthroplasty-using-the-same-implant-design
#9
Adam J Miller, Jeffrey D Stimac, Langan S Smith, Anthony W Feher, Madhusudhan R Yakkanti, Arthur L Malkani
BACKGROUND: Although cemented total knee arthroplasty (TKA) continues to be the gold standard, there are patient populations with higher failure rates with cemented TKAs such as the obese, morbidly obese, and younger active males. Cementless TKA usage continues to increase because of the potential benefits of long-term biologic fixation similar to the rise in cementless total hip arthroplasty. The purpose of this study was to evaluate the clinical and radiographic results of cementless TKA using a novel highly porous cementless tibial baseplate...
April 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29231216/aronia-citrus-juice-polyphenol-rich-juice-intake-and-elite-triathlon-training-a-lipidomic-approach-using-representative-oxylipins-in-urine
#10
Libia Alejandra García-Flores, Sonia Medina, Cristina Gómez, Craig E Wheelock, Roberto Cejuela, José Miguel Martínez-Sanz, Camille Oger, Jean-Marie Galano, Thierry Durand, Álvaro Hernández-Sáez, Federico Ferreres, Ángel Gil-Izquierdo
In the present study, we examined whether particular urinary oxylipins (isoprostanes (IsoPs), leukotrienes (LTs), prostaglandins (PGs), and thromboxanes (TXs)) in 16 elite triathletes could alter during 145 days of training. Within this time span, 45 days were dedicated to examining the effects of the intake of a beverage rich in polyphenols (one serving: 200 mL per day) supplemented in their diet. The beverage was a mixture of citrus juice (95%) and Aronia melanocarpa juice (5%) (ACJ). Fifty-two oxylipins were analyzed in the urine...
January 24, 2018: Food & Function
https://www.readbyqxmd.com/read/29172300/clinical-and-radiographic-short-mid-term-outcomes-of-primary-total-stabilizer-knee-arthroplasty
#11
E Bonicoli, N Piolanti, M Giuntoli, S Polloni, G Ciapini, P D Parchi, M Scaglione
A successful Total Knee Arthroplasty (TKA) requires stability, but rarely in primary TKA, a prosthesis with more constraint than a posterior-stabilizer (PS) is necessary. In patients with severe varus/valgus deformities with incompetent collateral ligaments or in knees that cannot be adequately balanced after ligaments release, a total-stabilizer (TS) prosthesis may be required. The purpose of our retrospective study is to evaluate clinical and radiographic outcomes at short mid-term follow-up in patients treated with a TS TKA...
October 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29164497/identifying-motives-of-midlife-black-triathlete-women-using-survey-transformation-to-guide-qualitative-inquiry
#12
Candace S Brown, Kevin S Masters, Amy G Huebschmann
Demonstrating health disparities related to race, age, and gender, older Black women (BW) are the most sedentary demographic group in the United States. Increasing PA in mid-life is important, as it improves health as BW age into their later years. Advancing our understanding of the exercise motives of BW triathletes presents a "reverse engineering" opportunity to identify motives that could influence sedentary mid-life BW to increase their activity. The purposes of this study were to: (a) utilize an innovative survey transformation method to adapt a measure developed primarily in Caucasian males, i...
March 2018: Journal of Cross-cultural Gerontology
https://www.readbyqxmd.com/read/29141506/triathlon-transition-study-quantifying-differences-in-running-movement-pattern-and-precision-after-bike-run-transition
#13
Christian Weich, Randall L Jensen, Manfred Vieten
Various publications discuss the discrepancies of running in triathlons and stand-alone runs. However, those methods, such as analysing step-characteristics or ground-contact time, lack the ability to quantitatively discriminate between subtle running differences. The attractor method can be applied to overcome those shortcomings. The purpose was to detect differences in athletes' running patterns (δM) and movement precision (δD) by comparing a 5,000 m run after a prior cycling session (TRun) with an isolated run over the same distance (IRun)...
November 15, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/29135637/triathlon-injuries-transitioning-from-prevalence-to-prediction-and-prevention
#14
REVIEW
Carolyn M Kienstra, Tristen R Asken, Jennifer D Garcia, Vanessa Lara, Thomas M Best
The Ironman triathlon began in Hawaii in 1978 with 50 participants. Since then, the race has continued to grow in popularity. Injuries are very common among triathletes. Studies have looked at the relationship between injuries and many different factors. Sex, age, and morphological characteristics, such as height, weight, and body mass index, have not been shown to correlate with injury. The association between training volume and injury has shown inconsistent results. This could be due to multiple factors in study design including definitions and evaluation of training volume...
November 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29071114/cracking-the-code-for-maintaining-quality-training-in-olympic-distance-triathlon-lessons-learnt-from-a-squad-of-elite-scandinavian-athletes
#15
Corrie Myburgh, Tobias Hansen, Anders Holm Beck, Eleanor Boyle
OBJECTIVE: High-quality training is a key determinant of performance in the Olympic distance triathlon and is potentially influenced by a unique array of context-specific biopsychosocial factors. Our objective was to explore and describe these factors among squad members of a university-based, elite Olympic distance triathlete developmental programme. METHOD: A qualitative investigation using a visual communication tool-assisted focus group and longitudinal semistructured individual interviews was conducted...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29050040/maximal-fat-oxidation-is-related-to-performance-in-an-ironman-triathlon
#16
Jacob Frandsen, Stine Dahl Vest, Steen Larsen, Flemming Dela, Jørn W Helge
The aim of the present study was to investigate the relationship between maximal fat oxidation rate (MFO) measured during a progressive exercise test on a cycle ergometer and ultra-endurance performance. 61 male ironman athletes (age: 35±1 yrs. [23-47 yrs.], with a BMI of 23.6±0.3 kg/m2 [20.0-30.1 kg/m2 ], a body fat percentage of 16.7±0.7% [8.4-30.7%] and a VO2 peak of 58.7±0.7 ml/min/kg [43.9-72.5 ml/min/kg] SEM [Range]) were tested in the laboratory between 25 and 4 days prior to the ultra-endurance event, 2016 Ironman Copenhagen...
November 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29026523/medical-support-during-an-ironman-70-3-triathlon-race
#17
Hae-Rang Yang, Jinwoo Jeong, Injoo Kim, Ji Eun Kim
BACKGROUND: The Ironman 70.3 race is also called a half Ironman, and consists of 1.9 km of swimming, 90.1 km of cycling, and 21.1 km of running. The authors provide practical insights that may be useful for medical support in future events by summarizing the process and results of on-scene medical care. METHODS: The medical post was established at the transition area between the cycling and running courses, which was close to the finish line, and staffed with the headquarters team comprised of an emergency physician, an EMT, two nurses, and an ambulance with a driver...
2017: F1000Research
https://www.readbyqxmd.com/read/28975231/death-and-cardiac-arrest-in-u-s-triathlon-participants-1985-to-2016-a-case-series
#18
Kevin M Harris, Lawrence L Creswell, Tammy S Haas, Taylor Thomas, Monica Tung, Erin Isaacson, Ross F Garberich, Barry J Maron
Background: Reports of race-related triathlon fatalities have raised questions regarding athlete safety. Objective: To describe death and cardiac arrest among triathlon participants. Design: Case series. Setting: United States. Participants: Participants in U.S. triathlon races from 1985 to 2016. Measurements: Data on deaths and cardiac arrests were assembled from such sources as the U...
October 17, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28975214/sudden-death-during-triathlons-the-heart-of-the-swim
#19
COMMENT
Reginald T Ho, Karen Glanz
No abstract text is available yet for this article.
October 17, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28928273/men-over-40-are-most-at-risk-of-sudden-death-during-triathlons
#20
Jacqui Wise
No abstract text is available yet for this article.
September 19, 2017: BMJ: British Medical Journal
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