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https://www.readbyqxmd.com/read/28513880/unstable-rocker-shoes-promote-recovery-from-marathon-induced-muscle-damage-in-novice-runners
#1
Kento Nakagawa, Takayuki Inami, Takahisa Yonezu, Yuta Kenmotsu, Takaya Narita, Yasuo Kawakami, Kazuyuki Kanosue
We recently reported that wearing unstable rocker shoes (Masai Barefoot Technology: MBT) may enhance recovery from marathon race induced fatigue. However, this earlier study only utilized a questionnaire. In the present study, we evaluated MBT utilizing objective physiological measures of recovery from marathon induced muscle damages. Twenty-five university student novice runners were divided into two groups. After running a full marathon, one group wore MBT shoes (MBT group), and the control group (CON) wore ordinary shoes daily for one week following the race...
May 17, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28505411/quantification-of-endogenous-cholesterol-in-human-serum-on-paper-using-direct-analysis-in-real-time-mass-spectrometry
#2
Hua-Yi Hsieh, Li-Hua Li, Ren-Yu Hsu, Wei-Fong Kao, Ying-Chen Huang, Cheng-Chih Hsu
Blood testing for endogenous small metabolites to determine physiological and biochemical states is routine for laboratory analysis. Here we demonstrate that by combining the commercial direct analysis in real time (DART) ion source with an ion trap mass spectrometer, native cholesterol in its free alcohol form is readily detected from a few hundred nanoliters of human serum loaded onto chromatography paper. Deuterium-labeled cholesterol was used as the internal standard to obtain the absolute quantity of the endogenous cholesterol...
May 23, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28503322/changes-in-oxidized-ldl-during-a-half-marathon-in-athletes-with-spinal-cord-injuries
#3
Toshihito Mitsui, Tomoyuki Ito, Yusuke Sasaki, Takashi Kawasaki, Takeshi Nakamura, Yukihide Nishimura, Tatsuru Ibusuki, Yukiharu Higuchi, Sayoko Hosoe, Fumiaki Ito, Fumihiro Tajima
INTRODUCTION: We reported previously that exercise significantly increases plasma adrenaline and oxidized low-density lipoprotein (oxLDL) in healthy subjects but not in persons with spinal cord injury (SCI). Since oxLDL and adrenaline levels are associated with oxidant/antioxidant balance, and exercise training elicits production of reactive oxygen species, we elucidated the effects of exercise on adrenaline, oxidant/antioxidant balance and oxLDL in individuals with SCI. CASE PRESENTATION: Eight subjects with cervical spinal cord injury (CSCI) and nine subjects with lower lesion of SCI (lower SCI (LSCI)) participated in a wheelchair half marathon race, and blood samples were collected before (pre), immediately after (post) and 1 h after the race (post 1 h)...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28498221/optimizing-marathon-race-safety-using-an-incident-command-post-strategy
#4
Katherine V Yao, Christopher Troyanos, Pierre D'Hemecourt, William O Roberts
No abstract text is available yet for this article.
May 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28498219/premarathon-evaluations-is-there-a-role-for-runner-prerace-medical-screening-and-education-to-reduce-the-risk-of-medical-complications
#5
Martin Peter Schwellnus
There is irrefutable evidence that regular participation in physical activity has substantial health benefits, and as such participation in mass community-based sports events should be supported. However, with the promotion of physical activity comes the potential risk of medical complications during an acute exercise session, with this risk varying according to the risk factor profile of an individual and the nature of the event. The demographics of marathon race entrants changed over the past two to three decades, and currently about 50% of runners are older than 40 yr...
May 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28491317/marathoning-with-myotonic-dystrophy-type-2-proximal-myotonic-myopathy-and-leukopenia
#6
Josef Finsterer, Georg Safoschnik, Martina Witsch-Baumgartner
OBJECTIVES: A mild, slowly progressive course of proximal myotonic myopathy, also known as myotonic dystrophy type 2, over years allowing the patient to continue with extreme sport activity, has been only rarely reported. METHODS: Case report. RESULTS: The patient is a 54-year-old female sport teacher who developed myotonia of the distal upper limbs at the age of 32 years. Over the following 22 years, myotonia spreaded to the entire musculature...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28488940/elite-african-marathoners-specialize-earlier-than-elite-non-african-marathoners
#7
Tyler J Noble, Robert F Chapman
PURPOSE: To assess differences in event specific specialization between elite African and Non-African male marathon runners on the basis of age, performance, and career length. METHODS: The top 90 African marathoners from 2001-2015 were compared to the top 90 Non-African marathoners from the same time period across various markers related to specialization age, performance, and career length. Independent t-tests were used to identify significant differences (P<0...
May 10, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28481126/increased-levels-of-alveolar-and-airway-exhaled-nitric-oxide-in-runners
#8
Alexandra Thornadtsson, Nikola Drca, Fabio Ricciardolo, Marieann Högman
AIM: The objective of this study was to apply extended NO analysis for measurements of NO dynamics in the lung, divided into alveolar and airway contribution, in amateur runners and marathoners. METHODS: The athletes participated in either a marathon or a half marathon. The athletes self-reported their age, weight, height, training distance per week, competing distance, cardio-pulmonary health, atopic status, and use of tobacco. Measurements of exhaled NO (FENO) with estimation of alveolar NO (CANO) and airway flux (JawNO), ventilation, pulse oximetry, and peak flow were performed before, immediately after, and 1 hour after completing the race...
May 8, 2017: Upsala Journal of Medical Sciences
https://www.readbyqxmd.com/read/28475643/a-combination-of-routine-blood-analytes-predicts-fitness-decrement-in-elderly-endurance-athletes
#9
Helmuth Haslacher, Franz Ratzinger, Thomas Perkmann, Delgerdalai Batmyagmar, Sonja Nistler, Thomas M Scherzer, Elisabeth Ponocny-Seliger, Alexander Pilger, Marlene Gerner, Vanessa Scheichenberger, Michael Kundi, Georg Endler, Oswald F Wagner, Robert Winker
Endurance sports are enjoying greater popularity, particularly among new target groups such as the elderly. Predictors of future physical capacities providing a basis for training adaptations are in high demand. We therefore aimed to estimate the future physical performance of elderly marathoners (runners/bicyclists) using a set of easily accessible standard laboratory parameters. To this end, 47 elderly marathon athletes underwent physical examinations including bicycle ergometry and a blood draw at baseline and after a three-year follow-up period...
2017: PloS One
https://www.readbyqxmd.com/read/28473366/compensating-for-loss-running-on-one-tibialis-anterior
#10
Richard A C Dimock, Edward John Christopher Dawe, Olusegun Aiyenuro
Rupture of the tibialis anterior (TA) tendon is rare and may be either traumatic or spontaneous. TA is the main ankle dorsiflexor, providing 80% of the power, as well as contributing to inversion of the foot. We describe a case of an 84-year-old male who was incidentally diagnosed with absence of his left TA at age 46 while preparing for his first-ever marathon. There was no history of specific injury to this tendon. He subsequently went on to lead an active sporting life, completing over 20 marathons with a best time of 3 hours 12 min...
May 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28466713/westminster-support
#11
(no author information available yet)
A trauma nurse coordinator who cared for people injured in the Westminster terror attack is running a marathon to support her colleagues.
May 3, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28465287/prevalence-of-subclinical-coronary-artery-disease-in-masters-endurance-athletes-with-a-low-atherosclerotic-risk-profile
#12
Ahmed Merghani, Viviana Maestrini, Stefania Rosmini, Andrew T Cox, Harshil Dhutia, Rachel Bastiaenen, Sarojini David, Tee Joo Yeo, Rajay Narain, Aneil Malhotra, Michael Papadakis, Mathew G Wilson, Maite Tome, Khaled AlFakih, James C Moon, Sanjay Sharma
Background -Studies in middle aged and older (masters) athletes with atherosclerotic risk factors for coronary artery disease (CAD) report higher coronary artery calcium (CAC) scores compared with sedentary individuals. Few studies have assessed the prevalence of CAD in masters athletes with a low atherosclerotic risk profile. Methods -We assessed 152 masters athletes aged 54.4±8.5 years (70% male) and 92 controls of similar age, sex and low Framingham 10 year CAD risk scores with an echocardiogram, exercise stress test, CT coronary angiogram, and cardiovascular magnetic resonance imaging (CMRI) with late gadolinium enhancement (LGE) and a 24-hour Holter...
May 2, 2017: Circulation
https://www.readbyqxmd.com/read/28464246/running-the-marathon-of-chronic-myeloid-leukemia-with-no-shoes-or-without-the-right-shoes
#13
EDITORIAL
Michael J Mauro
No abstract text is available yet for this article.
May 2, 2017: Cancer
https://www.readbyqxmd.com/read/28460195/chronic-probiotic-supplementation-with-or-without-glutamine-does-not-influence-the-ehsp72-response-to-a-multi-day-ultra-endurance-exercise-event
#14
Hannah Marshall, Bryna Cr Chrismas, Craig A Suckling, Justin D Roberts, Josh Foster, Lee Taylor
Probiotic and glutamine supplementation increases tissue Hsp72, but their influence on extracellular Hsp72 (eHsp72) has not been investigated. The aim of this study was to investigate the effect of chronic probiotic supplementation, with or without glutamine, on eHsp72 concentration before and after an ultramarathon. Thirty-two participants were split into three independent groups, where they ingested probiotic capsules (PRO, n = 11), probiotic + glutamine powder (PGLn, n = 10) or no supplementation (CON, n = 11), over a 12-week period prior to commencement of the Marathon des Sables (MDS)...
May 1, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28451910/hypertension-across-the-atlantic-a-sprint-or-a-marathon
#15
EDITORIAL
Massimo Volpe, Barbara Citoni, Roberta Coluccia, Allegra Battistoni, Giuliano Tocci
No abstract text is available yet for this article.
April 27, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28443964/effects-of-chronic-exercise-on-endothelial-progenitor-cells-and-microparticles-in-professional-runners
#16
Célia Regina de Oliveira Bittencourt, Maria Cristina de Oliveira Izar, Carolina Nunes França, Valdir Lauro Schwerz, Rui Manuel Dos Santos Póvoa, Francisco Antonio Helfenstein Fonseca
BACKGROUND: The effects of chronic exposure to exercise training on vascular biomarkers have been poorly explored. OBJECTIVE: Our study aimed to compare the amounts of endothelial progenitor cells (EPCs), and endothelial (EMP) and platelet (PMP) microparticles between professional runners and healthy controls. METHODS: Twenty-five half-marathon runners and 24 age- and gender-matched healthy controls were included in the study. EPCs (CD34+/KDR+, CD133+/KDR+, and CD34+/CD133+), EMP (CD51+) and PMP (CD42+/CD31+) were quantified by flow-cytometry...
March 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28438454/10-year-follow-up-wear-analysis-of-marathon-highly-cross-linked-polyethylene-in-primary-total-hip-arthroplasty
#17
Jared S Bookman, Ian D Kaye, Kevin K Chen, Fredrick F Jaffe, Ran Schwarzkopf
BACKGROUND: Short-term and intermediate-term wear rates for highly cross-linked polyethylene (HCLPE) liners in total hip arthroplasty (THA) are significantly lower than published rates for traditional polyethylene liners. The aim of this study was to report the longest-to-date follow-up of a specific HCLPE liner. METHODS: A series of 35 THAs using a specific HCLPE liner were reviewed. Anteroposterior radiographs were reviewed for femoral head penetration, the presence of femoral and/or acetabular osteolysis, long-term survival, total wear, and wear rates in all patients...
March 23, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28424267/using-a-novel-data-resource-to-explore-heart-rate-during-mountain-and-road-running
#18
Andrew Best, Barry Braun
Online, accessible performance and heart rate data from running competitions are posted publicly or semi-publicly to social media. We tested the efficacy of one such data resource- Strava- as a tool in exercise physiology investigations by exploring heart rate differences in mountain racing and road racing running events. Heart rate and GPS pace data were gathered from Strava activities posted by 111 males aged 21-49, from two mountain races (Mt. Washington Road Race and Pike's Peak Ascent) and two road race distances (half marathon and marathon)...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28416169/pathologic-fracture-of-the-thoracic-spine-in-a-male-master-ultra-marathoner-due-to-the-combination-of-a-vertebral-hemangioma-and-osteopenia
#19
Beat Knechtle, Pantelis T Nikolaidis, Bruno Lutz, Thomas Rosemann, Christian B Baerlocher
Vertebral hemangiomas are the most common benign vertebral neoplasms and are generally asymptomatic. In the present study, we report the case of a 52-year-old male master ultra-marathoner suffering from a pathologic fracture of the thoracic spine due to a vertebral hemangioma. A further examination in the athlete revealed an accompanying osteopenia, which was most likely due to a deficiency in both vitamin D and testosterone. The treatment of the fracture consisted of percutaneous vertebroplasty. Shortly after the operation the athlete was able to continue running...
March 27, 2017: Medicina
https://www.readbyqxmd.com/read/28415084/p260right-cardiac-chambers-remodeling-in-marathon-and-ultra-trail-athletes-detected-by-speckle-tracking-echocardiography
#20
K Ujka, R M Bruno, B Catuzzo, L Bastiani, A Tonacci, G D'angelo, S Mrakic-Sposta, A Vezzoli, G Giardini, L Pratali
Background: Strenuous and chronic exercise training can have detrimental effects on cardiac morphology and function. Our aim was to evaluate the cardiac adaptation between 2 different specialties' endurance athletes: marathon runners (M) and ultra-trailers (UT). Methods: 47 M (age 45±7, men 32; training: 18 (9-53) years*days/week), 41 UT (age 42±9, men 38, training: 30 (15-66) years*days/week) were submitted in rest condition to conventional 2D echocardiography and Speckle-Tracking echo (STE) (Beyond Diogenes 2...
December 1, 2016: European Heart Journal Cardiovascular Imaging
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