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https://www.readbyqxmd.com/read/27918666/quantification-of-training-and-competition-loads-in-endurance-sports-methods-and-applications
#1
Iñigo Mujika
Training quantification is basic to evaluate an endurance athlete's responses to the training loads, ensure adequate stress/recovery balance and determine the relationship between training and performance. Quantifying both external and internal workload is important, because the external workload does not measure the biological stress imposed by the exercise sessions. Generally used quantification methods include retrospective questionnaires, diaries, direct observation and physiological monitoring, often based on the measurement of oxygen uptake, heart rate and blood lactate concentration...
December 5, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27900191/deaths-in-triathletes-immersion-pulmonary-oedema-as-a-possible-cause
#2
Richard E Moon, Stefanie D Martina, Dionne F Peacher, William E Kraus
BACKGROUND/AIM: To address the question as to whether immersion pulmonary oedema (IPO) may be a common cause of death in triathlons, markers of swimming-induced pulmonary oedema (SIPO) susceptibility were sought in triathletes' postmortem examinations. METHODS: Deaths while training for or during triathlon events in the USA and Canada from October 2008 to November 2015 were identified, and postmortem reports requested. We assessed obvious causes of death; the prevalence of left ventricular hypertrophy (LVH); comparison with healthy triathletes...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27869661/an-exploratory-investigation-of-endotoxin-levels-in-novice-long-distance-triathletes-and-the-effects-of-a-multi-strain-probiotic-prebiotic-antioxidant-intervention
#3
Justin D Roberts, Craig A Suckling, Georgia Y Peedle, Joseph A Murphy, Tony G Dawkins, Michael G Roberts
Gastrointestinal (GI) ischemia during exercise is associated with luminal permeability and increased systemic lipopolysaccharides (LPS). This study aimed to assess the impact of a multistrain pro/prebiotic/antioxidant intervention on endotoxin unit levels and GI permeability in recreational athletes. Thirty healthy participants (25 males, 5 females) were randomly assigned either a multistrain pro/prebiotic/antioxidant (LAB⁴ANTI; 30 billion CFU·day(-1) containing 10 billion CFU·day(-1)Lactobacillus acidophilus CUL-60 (NCIMB 30157), 10 billion CFU·day(-1)Lactobacillus acidophillus CUL-21 (NCIMB 30156), 9...
November 17, 2016: Nutrients
https://www.readbyqxmd.com/read/27817192/positive-pacing-in-elite-ironman-triathletes
#4
Nicole Angehrn, Christoph A. Rüst, Pantelis T. Nikolaidis, Thomas Rosemann, Beat Knechtle
Pacing is known to influence athletic performance. For the Ironman triathlon program, a positive pacing strategy, i.e., the continuous decrease of speed over time was recommended. By analyzing split times, we assessed the pacing strategies of the top 100 finishers of the cycling part of 13 Ironman races and of the running part of 11 Ironman races taking place in 2014. Furthermore, sex-associated differences in performance and pacing strategies were calculated. We analyzed 7,687 cycling and 11,894 running split times of 1,392 triathletes (1,263 men, 129 women)...
December 31, 2016: Chinese Journal of Physiology
https://www.readbyqxmd.com/read/27781667/peripheral-snap-fit-locking-mechanisms-and-smooth-surface-finish-of-tibial-trays-reduce-backside-wear-in-fixed-bearing-total-knee-arthroplasty
#5
Łukasz Łapaj, Adrian Mróz, Paweł Kokoszka, Jacek Markuszewski, Justyna Wendland, Celina Helak-Łapaj, Jacek Kruczyński
Background and purpose - Severe backside wear, observed in older generations of total knee replacements (TKRs), led to redesign of locking mechanisms to reduce micromotions between tibial tray and inlay. Since little is known about whether this effectively reduces backside wear in modern designs, we examined backside damage in retrievals of various contemporary fixed-bearing TKRs. Patients and methods - A consecutive series of 102 inlays with a peripheral (Stryker Triathlon, Stryker Scorpio, DePuy PFC Sigma, Aesculap Search Evolution) or dovetail locking mechanism (Zimmer NexGen, Smith and Nephew Genesis II) was examined...
October 26, 2016: Acta Orthopaedica
https://www.readbyqxmd.com/read/27713956/lipidomic-approach-in-young-adult-triathletes-effect-of-supplementation-with-a-polyphenols-rich-juice-on-neuroprostane-and-f2-dihomo-isoprostane-markers
#6
Libia Alejandra García-Flores, Sonia Medina, Camille Oger, Jean-Marie Galano, Thierry Durand, Roberto Cejuela, José Miguel Martínez-Sanz, Federico Ferreres, Ángel Gil-Izquierdo
The aim of the this study was to determine the effect of a polyphenols-rich juice (aronia-citrus juice, ACJ) on F4-neuroprostanes and F2-dihomo-isoprostanes-markers of oxidative stress associated with the central nervous system (CNS)-in 16 elite triathletes under a controlled diet for triathlon training (145 days). In the triathletes, a decrease of the lipid peroxidation markers after ACJ intake, associated with neuronal membrane degradation (10-epi-10-F4t-neuroprostane and 10-F4t-neuroprostane), was observed when compared with placebo stage values...
October 12, 2016: Food & Function
https://www.readbyqxmd.com/read/27703854/sex-differences-in-pacing-during-ultraman-hawaii
#7
Beat Knechtle, Pantelis T Nikolaidis
BACKGROUND: To date, little is known for pacing in ultra-endurance athletes competing in a non-stop event and in a multi-stage event, and especially, about pacing in a multi-stage event with different disciplines during the stages. Therefore, the aim of the present study was to examine the effect of age, sex and calendar year on triathlon performance and variation of performance by events (i.e., swimming, cycling 1, cycling 2 and running) in 'Ultraman Hawaii' held between 1983 and 2015...
2016: PeerJ
https://www.readbyqxmd.com/read/27644578/efficacy-of-achilles-suture-bridge-technique-for-insertional-achilles-tendinosis-in-an-obese-and-athletic-patient
#8
Kazuaki Mineta, Naoto Suzue, Tetsuya Matsuura, Koichi Sairyo
Here, we report the efficacy of the suture bridge technique for treating insertional Achilles tendinosis in an obese and athletic patient. A 48-year-old man presented to our department with a 6-month history of left posterior heel pain. The patient was an athlete (triathlon) and appeared obese (height: 197 cm, body weight: 120 kg, body mass index: 30.9). A diagnosis of insertional Achilles tendinosis was made. Because 6 months of conservative treatments had failed, we performed open resection of the calcaneal exostosis and Haglund's deformity along with debridement of the degenerative tissue of the tendon...
2016: Journal of Medical Investigation: JMI
https://www.readbyqxmd.com/read/27642618/infodemiological-data-of-ironman-triathlon-in-the-study-period-2004-2013
#9
Sofiane Mnadla, Nicola Luigi Bragazzi, Mehdi Rouissi, Anis Chaalali, Anna Siri, Johnny Padulo, Luca Paolo Ardigò, Francesco Brigo, Karim Chamari, Beat Knechtle
This article reports data concerning the Internet-related activities and interest for Ironman Triathlon competition. Google Trends (GT) was used and mined from 2004 onwards. The interest for Ironman Triathlon was found to be cyclic over time. The Triathlon-related Internet activities negatively correlated with the number of finishers per year (Pearson׳s correlation r=-0.690, p-value<0.05), while an increasing participation of female athletes who were less likely to surf the Internet could be noticed (r=-0...
December 2016: Data in Brief
https://www.readbyqxmd.com/read/27624180/the-need-for-secondary-resurfacing-is-affected-by-trochlear-height-in-total-knee-arthroplasty
#10
Lucas Werth, Mo Saffarini, Felix Amsler, Ashraf Abdelkafy, Michael T Hirschmann
PURPOSE: The purpose of the study was to compare the rate of secondary resurfacing in a consecutive series of five different total knee arthroplasty (TKA) systems. It was our hypothesis that different TKA design features such as sulcus angle or trochlear height influence the rate of secondary resurfacing. METHODS: A retrospective study was performed on data from patients who underwent TKA without primary patellar resurfacing from 2004 to 2012 in an university-affiliated hospital...
September 13, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27604138/performance-and-sex-differences-in-isklar-norseman-xtreme-triathlon
#11
Beat Knechtle, Pantelis Theodoros Nikolaidis, Michael Stiefel, Thomas Rosemann, Christoph Alexander Rüst
The performance and sex differences of long-distance triathletes competing in 'Ironman Hawaii' are well investigated. However, less information is available with regards to triathlon races of the Ironman distance held under extreme environmental conditions (e.g. extreme cold) such as the 'Isklar Norseman Xtreme Triathlon' which started in 2003. In 'Isklar Norseman Xtreme Triathlon', athletes swim at a water temperature of ~13-15°C, cycle at temperatures of ~5-20°C and run at temperatures of ~12-28°C in the valley and of ~2-12°C at Mt...
October 31, 2016: Chinese Journal of Physiology
https://www.readbyqxmd.com/read/27519678/running-and-knee-osteoarthritis-a-systematic-review-and-meta-analysis
#12
Kate A Timmins, Richard D Leech, Mark E Batt, Kimberley L Edwards
BACKGROUND: Osteoarthritis (OA) is a chronic condition characterized by pain, impaired function, and reduced quality of life. A number of risk factors for knee OA have been identified, such as obesity, occupation, and injury. The association between knee OA and physical activity or particular sports such as running is less clear. Previous reviews, and the evidence that informs them, present contradictory or inconclusive findings. PURPOSE: This systematic review aimed to determine the association between running and the development of knee OA...
August 12, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27511062/the-master-female-triathlete
#13
Janice K Loudon
The world of triathlon has expanded to include all ages and both sexes. One of the largest growing age groups is the master female athlete. It is important for the physical therapist to understand the special needs of this population in order to adequately care for master female athletes so they can participate at a high level and injury-free. Biology of aging, injury prevention and a suggested training program are presented in this Masterclass article.
July 31, 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/27504176/anthropometric-profiling-of-new-zealand-junior-elite-triathletes
#14
Bhargav Dave, Asmi Dave, Nilesh Kotecha, Myrtle Oates
INTRODUCTION: The triathlon involves a combination of three separate disciplines-swimming, cycling and running. To date, very few studies have been conducted on the anthropometric characteristics of the New Zealand junior elite triathletes. The aim of this study was to determine the correlation between physical traits of calf girth or sum of eight skinfolds (anthropometry) and running or cycling performances in the triathlon event. METHODS: Eleven junior elite triathletes (6 females, 5 males; (Av...
June 2016: Electronic Physician
https://www.readbyqxmd.com/read/27497835/the-postpartum-triathlete
#15
Jill Thein-Nissenbaum
The postpartum period in a woman's life is filled with numerous changes, including physical changes, changes in sleep habits, and learning how to best care for a newborn. A common goal among postpartum women is to either begin or resume an active lifestyle, which often includes physical activity such as running, biking and swimming. The postpartum athlete may discover barriers that prevent her from returning to or beginning an exercise routine. These obstacles include muscle weakness, fatigue, depression and physical changes that require exercise modification...
September 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/27485572/a-case-of-recurrent-swimming-induced-pulmonary-edema-in-a-triathlete-the-need-for-awareness
#16
R Smith, D Brooke, C Kipps, B Skaria, V Subramaniam
This report discusses a rare case of a 55-year-old female triathlete who developed recurrent episodes of swimming-induced pulmonary edema (SIPE). She had two hospital admissions with pulmonary edema after developing breathlessness while swimming, including a near-drowning experience in an open water swim. With increasing popularity of triathlon and open water sports, this case highlights the importance of a greater awareness of SIPE among health professionals, event organizers, and athletes. This report explores the previous reported cases in triathletes and those who have suffered recurrent episodes...
August 3, 2016: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/27483401/-not-available
#17
Jörg Carlsson, Thony Ragnarsson, Tom Danielsson, Therése Johansson, Hendrik Schreyer, Antonia Breyne, Patrick Bergman
Biochemical changes after strenuous exercise - data from the Kalmar Ironman Strenuous and prolonged exercise like marathon, ultra running and triathlon can lead to changes in biomarkers of cardiac, muscle and kidney functional damage. We present the data of 30 (15 men, 15 women) participants of the Kalmar Ironman 2015. Pre-race electrocardiograms and echocardiograms showed a high frequency of abnormalities. Post race elevations of troponin T, creatine kinase, myoglobin, N-terminal prohormone of brain natriuretic peptide, and creatinine returned to normal in almost all cases within 5-8 days...
2016: Läkartidningen
https://www.readbyqxmd.com/read/27361180/triathlon-cycling-with-shorter-crank-lengths-at-same-vo2-leads-to-increased-power-output-2544-board-67-june-3-9-30-am-11-00-am
#18
Brian Moscicki, Boe Burrus, Tracey Matthews, Vincent Paolone
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27359816/shortness-of-breath-triathlon-673-june-1-1-00-pm-1-20-pm
#19
Ben J Tseng, Philip F Skiba
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27347244/clinical-and-biomechanical-evaluations-of-staged-bilateral-total-knee-arthroplasty-patients-with-two-different-implant-designs
#20
Alexandre Renaud, Alexandre Fuentes, Nicola Hagemeister, Martin Lavigne, Pascal-André Vendittoli
BACKGROUND: Various implants of total knee arthroplasty (TKA) are used in clinical practice and each presents specific design characteristics. No implant managed this day to reproduce perfectly the biomechanics of the natural knee during gait. OBJECTIVES: We therefore asked whether (1) differences in tridimensional (3D) kinematic data during gait could be observed in two different designs of TKA on the same patients, (2) if those gait kinematic data are comparable with those of asymptomatic knees and (3) if difference in clinical subjective scores can be observed between the two TKA designs on the same patient...
2016: Open Orthopaedics Journal
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