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https://www.readbyqxmd.com/read/29144392/design-and-development-of-a-novel-upper-limb-cycling-prosthesis
#1
Akira Tiele, Shivam Soni-Sadar, Jack Rowbottom, Shilen Patel, Edward Mathewson, Samuel Pearson, David Hutchins, John Head, Stephen Hutchins
The rise in popularity of the Paralympics in recent years has created a need for effective, low-cost sports-prosthetic devices for upper-limb amputees. There are various opportunities for lower-limb amputees to participate in cycling; however, there are only few options for those with upper-limb amputations. If the individual previously participated in cycling, a cycling-specific prosthesis could allow these activities to be integrated into rehabilitation methods. This article describes the processes involved with designing, developing and manufacturing such a prosthesis...
November 16, 2017: Bioengineering
https://www.readbyqxmd.com/read/29135785/comparison-of-polar-m600-optical-heart-rate-and-ecg-heart-rate-during-exercise
#2
John F Horton, Pro Stergiou, Tak S Fung, Larry Katz
PURPOSE: The purpose of this study was to evaluate the accuracy of the Polar M600 optical heart rate (OHR) sensor compared with ECG heart rate (HR) measurement during various physical activities. METHODS: Thirty-six subjects participated in a continuous 76-min testing session, which included rest, cycling warm-up, cycling intervals, circuit weight training, treadmill intervals, and recovery. HR was measured using a three-lead ECG configuration and a Polar M600 Sport Watch on the left wrist...
December 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29135638/mountain-biking-injuries
#3
Majid Ansari, Ruhollah Nourian, Morteza Khodaee
With the increasing popularity of mountain biking, also known as off-road cycling, and the riders pushing the sport into extremes, there has been a corresponding increase in injury. Almost two thirds of acute injuries involve the upper extremities, and a similar proportion of overuse injuries affect the lower extremities. Mountain biking appears to be a high-risk sport for severe spine injuries. New trends of injury patterns are observed with popularity of mountain bike trail parks and freeride cycling. Using protective gear, improving technical proficiency, and physical fitness may somewhat decrease the risk of injuries...
November 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29120398/bamboo-polylactic-acid-pla-composite-material-for-structural-applications
#4
Angel Pozo Morales, Alfredo Güemes, Antonio Fernandez-Lopez, Veronica Carcelen Valero, Sonia De La Rosa Llano
Developing an eco-friendly industry based on green materials, sustainable technologies, and optimum processes with low environmental impact is a general societal goal, but this remains a considerable challenge to achieve. Despite the large number of research on green structural composites, limited investigation into the most appropriate manufacturing methodology to develop a structural material at industrial level has taken place. Laboratory panels have been manufactured with different natural fibers but the methodologies and values obtained could not be extrapolated at industrial level...
November 9, 2017: Materials
https://www.readbyqxmd.com/read/29119418/low-level-laser-therapy-improves-the-vo2-kinetics-in-competitive-cyclists
#5
Fábio J Lanferdini, Renata L Krüger, Bruno M Baroni, Caetano Lazzari, Pedro Figueiredo, Alvaro Reischak-Oliveira, Marco A Vaz
Some evidence supports that low-level laser therapy (LLLT) reduces neuromuscular fatigue, so incrementing sports performance. A previous randomized controlled trial of our group showed increased exercise tolerance in male competitive cyclists treated with three different LLLT doses (3, 6, and 9 J/diode; or 135, 270, and 405 J/thigh) before time-to-exhaustion cycling tests. Now, the present study was designed to evaluate the effects of these LLLT doses on the VO2 kinetics of athletes during cycling tests. Twenty male competitive cyclists (29 years) participated in a crossover, randomized, double-blind, and placebo-controlled trial...
November 9, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29113535/effects-of-erythropoietin-abuse-on-exercise-performance
#6
Paolo Sgrò, Massimiliano Sansone, Andrea Sansone, Francesco Romanelli, Luigi Di Luigi
The present review provides a comprehensive overview on the erythropoietic and non-erythropoietic effects of rHuEpo on human sport performance, paying attention to quantifying numerically how rHuEpo affects exercise performance and describing physiological changes regarding the most important exercise variables. Much attention has been paid to treatment schedules, in particular, to assess the effects of microdoses of rHuEpo and the prolonged effects on sport performance following withdrawal. Moreover, the review takes into account non-erythropoietic ergogenic effects of rHuEpo, including cognitive benefits of rHuEpo...
November 8, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29105516/does-a-cycling-program-combined-with-education-and-followed-by-coaching-promote-physical-activity-in-subacute-stroke-patients-a-randomized-controlled-trial
#7
Christel Vanroy, Yves Vanlandewijck, Patrick Cras, Steven Truijen, Dirk Vissers, Anke Swinnen, Matthieu Bosmans, Kristien Wouters, Hilde Feys
BACKGROUND: To investigate the effects of a three month active cycling program followed by coaching on physical activity in subacute stroke patients. METHODS: Patients (n = 59; mean age =65.4 ± 10.3) aged ≤80 years with first stroke and able to cycle at 50 revolutions/minute enrolled 3-10 weeks post stroke. Patients were randomly allocated to three month active cycling group (n = 33) or to a control group (n = 26), 3 x 30 minutes training/week...
November 5, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29095535/low-fitness-is-associated-with-metabolic-risk-independently-of-central-adiposity-in-a-cohort-of-18-year-olds
#8
Evelin Lätt, Jaak Jürimäe, Jaanus Harro, Helle-Mai Loit, Jarek Mäestu
It is unclear whether cardiorespiratory fitness (CRF) remains associated with metabolic risk if controlled for central adiposity and other confounders, thus the aim of this study was to investigate the independent effect of CRF on metabolic syndrome risk factors in relatively homogeneous age group of young adults. In this cross-sectional study 828 participants performed CRF test on a cycle ergometer (Wmax kg ) and were categorized into sex-specific tertiles. Continuous metabolic syndrome risk score (MetS-score) was calculated as the sum of standardized scores of five metabolic syndrome risk factors, glucose, mean arterial pressure, low-density lipoprotein cholesterol, triglycerides and total cholesterol/high-density lipoprotein cholesterol ratio...
November 2, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29072032/training-induced-annual-changes-in-red-blood-cell-profile-in-highly-trained-endurance-and-speed-power-athletes
#9
Monika Ciekot-Sołtysiak, Krzysztof Kusy, Tomasz Podgórski, Jacek Zieliński
BACKGROUND: An extensive body of literature exists on the effects of training on haematological parameters, but the previous studies have not reported how hematological parameters respond to changes in training loads within consecutive phases of the training cycle in highly-trained athletes in extremely different sport disciplines. The aim of this study was to identify changes in red blood cell (RBC) profile in response to training loads in consecutive phases of the annual training cycle in highly-trained sprinters (8 men, aged 24 ± 3 years) and triathletes (6 men, aged 24 ± 4 years) who competed at the national and international level...
October 24, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29062533/the-consultation-of-rugby-players-in-co-developing-a-player-health-study-feasibility-and-consequences-of-sports-participants-as-research-partners
#10
Madeleine A M Davies, Edward Balai, Jo Adams, John-Henry Carter, Andrew Judge, Julia L Newton, Nigel K Arden
PLAIN ENGLISH SUMMARY: Many funding bodies within the United Kingdom and globally have encouraged public involvement in research. The Department of Health has also called public involvement a sign of good research. Despite the wide acceptance of public involvement improving many aspects of research, from its design to its communication, involvement has varied levels of implementation across different fields of research. Sports people have rarely been involved in research, partly as this research tends not to be funded by mainstream funding bodies...
2017: Res Involv Engagem
https://www.readbyqxmd.com/read/29047063/life-cycle-impacts-of-shower-water-waste-heat-recovery-case-study-of-an-installation-at-a-university-sport-facility-in-the-uk
#11
Kenneth Ip, Kaiming She, Kemi Adeyeye
Recovering heat from waste water discharged from showers to preheat the incoming cold water has been promoted as a cost-effective, energy-efficient, and low-carbon design option which has been included in the UK's Standard Assessment Procedure (SAP) for demonstrating compliance with the Building Regulation for dwellings. Incentivized by its carbon cost-effectiveness, waste water heat exchangers (WWHX) have been selected and incorporated in a newly constructed Sports Pavilion at the University of Brighton in the UK...
October 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29045995/ingesting-a-sports-drink-enhances-simulated-ice-hockey-performance-while-reducing-perceived-effort
#12
Matthew Stephen Palmer, George Heigenhauser, MyLinh Duong, Lawrence L Spriet
This study determined whether ingesting a carbohydrate-electrolyte solution (CES) vs. progressive dehydration affected skeletal muscle glycogen use and performance in ice hockey players during simulated ice hockey exercise comprised of 3 active "periods". Seven males (21.3±0.3 years, 184.7±1.2 cm, 84.2±3.9 kg, and 49.6±1.8 mL·kg(-1)·min(-1)) performed a hockey-specific protocol on two occasions and either dehydrated progressively (NF), or stayed well-hydrated by ingesting a CES. Muscle biopsies were taken at rest, before the 3(rd) period (P3), and after the final sprint in the protocol...
October 18, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29043512/comparisons-of-perceived-training-doses-in-champion-collegiate-level-male-and-female-cross-country-runners-and-coaches-over-the-course-of-a-competitive-season
#13
Kyle R Barnes
BACKGROUND: Session rating of perceived exertion (sRPE) is a practical tool for coaches to assess internal training load of their athletes. In a sport like cross-country running, that is individual in nature, but has a team training and competition component, information about the association between external and internal load is lacking. Furthermore, there is a need for studies that examine perception of training doses across multiple training cycles including the competitive season as well as between male and female athletes...
October 17, 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/29032611/fast-irms-screening-of-pseudoendogenous-steroids-in-doping-analyses
#14
Xavier de la Torre, Cristiana Colamonici, Davide Curcio, Francesco Botrè
The detection of the abuse of pseudoendogenous steroids (testosterone and/or its precursors) is currently based, when possible, on the application of the steroid module of the World Antidoping Agency (WADA), Athletes' Biological Passport (ABP), implemented through ADAMS. When a suspicious sample is detected, the confirmation by isotope ratio mass spectrometry (IRMS) is required. It is well known that this confirmation procedure is time consuming, expensive and can be only applied on a reduced number of samples...
October 15, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29031767/cycling-and-male-sexual-and-urinary-function-results-from-a-large-multinational-cross-sectional-study
#15
Mohannad A Awad, Thomas W Gaither, Gregory P Murphy, Thanabhudee Chumnarnsongkhroh, Ian Metzler, Thomas Sanford, Siobhan Sutcliffe, Michael L Eisenberg, Peter R Carroll, E Charles Osterberg, Benjamin N Breyer
PURPOSE: To explore the relation between cycling and urinary and sexual function in a large, multinational sample of men. MATERIALS AND METHODS: Cyclists were recruited to complete a survey through Facebook advertisements and outreach to sporting clubs. Swimmers and runners were recruited as a comparison group. Cyclists were categorized into low and high intensity cyclists. Participants were queried using validated questionnaires, including the Sexual Health Inventory for Men (SHIM), International Prostate Symptom Score (I-PSS), and National Institute of Health Chronic Prostatitis Symptom Index (NIH-CPSI), in addition to questions about urinary tract infections (UTIs), urethral strictures, genital numbness, and saddle sores...
October 12, 2017: Journal of Urology
https://www.readbyqxmd.com/read/29031036/-the-role-of-chemotherapy-in-the-treatment-of-low-grade-gliomas
#16
R Lakomý, T Kazda, A Poprach, P Pospíšil, R Jančálek, P Šlampa
BACKGROUND: The standard postsurgical options for low-grade gliomas include watchful waiting or radiotherapy depending on the risk factors for recurrence. The use of chemotherapy for the treatment of this disease is generally controversial, although the recently published results of the first of two large randomized phase III clinical trials (RTOG 9802 a EORTC 22033-26033), focusing on the evaluation of chemotherapy for the upfront treatment of newly diagnosed low-grade gliomas, are reassuring in this respect...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/29027973/smart-annotation-of-cyclic-data-using-hierarchical-hidden-markov-models
#17
Christine F Martindale, Florian Hoenig, Christina Strohrmann, Bjoern M Eskofier
Cyclic signals are an intrinsic part of daily life, such as human motion and heart activity. The detailed analysis of them is important for clinical applications such as pathological gait analysis and for sports applications such as performance analysis. Labeled training data for algorithms that analyze these cyclic data come at a high annotation cost due to only limited annotations available under laboratory conditions or requiring manual segmentation of the data under less restricted conditions. This paper presents a smart annotation method that reduces this cost of labeling for sensor-based data, which is applicable to data collected outside of strict laboratory conditions...
October 13, 2017: Sensors
https://www.readbyqxmd.com/read/29019579/epidemiological-study-of-facial-fractures-at-the-oral-and-maxillofacial-surgery-service-santa-casa-de-misericordia-hospital-complex-porto-alegre-rs-brazil
#18
Rodrigo Andrighetti Zamboni, João Carlos Birnfeld Wagner, Maurício Roth Volkweis, Eduardo Luis Gerhardt, Elissa Muller Buchmann, Caren Serra Bavaresco
OBJECTIVES: to investigate the incidence and etiology of face trauma with diagnosis of facial fracture treated at the Buccomaxillofacial Surgery and Traumatology Service of the Santa Casa de Misericórdia Hospital Complex in Porto Alegre. METHODS: we conducted a cross-sectional, retrospective epidemiological study of 134 trauma victims with 153 facial fractures. RESULTS: the male gender was the most affected (86.6%) and the incidence was higher in the age group from 21 to 30 years...
September 2017: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/28977318/lifestyle-indicators-and-cardiorespiratory-fitness-in-adolescents
#19
Eduardo Rossato de Victo, Gerson Luis de Moraes Ferrari, João Pedro da Silva, Timóteo Leandro Araújo, Victor Keihan Rodrigues Matsudo
OBJECTIVE: To evaluate the lifestyle indicators associated with cardiorespiratory fitness in adolescents from Ilhabela, São Paulo, Brazil. METHODS: The sample consisted of 181 adolescents (53% male) from the Mixed Longitudinal Project on Growth, Development, and Physical Fitness of Ilhabela. Body composition (weight, height, and body mass index, or BMI), school transportation, time spent sitting, physical activity, sports, television time (TV), having a TV in the bedroom, sleep, health perception, diet, and economic status (ES) were analyzed...
January 2017: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
https://www.readbyqxmd.com/read/28972854/the-effect-of-milk-on-recovery-from-repeat-sprint-cycling-in-female-team-sport-athletes
#20
Paula Rankin, Michael J Lawlor, Frank A Hills, Phillip G Bell, Emma J Stevenson, Emma Cockburn
The consumption of milk post-eccentric exercise attenuates the effects of muscle damage in team-sport athletes. However, participation in team sport involves both concentric-eccentric loading and metabolic stress. Therefore, the aim of this study was to investigate the effects of post-exercise milk consumption on recovery from a cycling protocol designed to simulate the metabolic demands of team sport. Ten female team-sport athletes participated in a randomised cross-over investigation. Upon completion of the protocol participants consumed 500ml of milk (MILK) or 500ml of an energy-matched carbohydrate (CHO) drink...
October 3, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
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