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https://www.readbyqxmd.com/read/29756632/effects-of-push-off-ability-and-handcycle-type-on-handcycling-performance-in-able-bodied-participants
#1
Ingrid Kouwijzer, Carla F J Nooijen, Kees van Breukelen, Thomas W J Janssen, Sonja de Groot
OBJECTIVE: To assess the effects on handcycling performance and physiological responses, of: (i) making a closed chain by comparing handcycling in a recumbent bike with 2-feet footrest (closed chain) with handcycling with 1 footrest (partial closed chain) and without a footrest (no closed chain); (ii) equipment by comparing handcycling in a recumbent bike with a kneeling bike. METHODS: Ten able-bodied participants performed submaximal exercise and sprint tests, once in a knee-ling bike and 3 times on a recumbent: 2-feet support, 1-foot support and without foot support...
May 14, 2018: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29726452/healthebikes-smart-e-bike-prototype-for-controlled-exercise-in-telerehabilitation-programs
#2
Patrick Mayr, Markus Falgenhauer, Robert Modre-Osprian, Peter Hofmann, Heimo Traninger, Michael Rath, Günter Schreier
E-Bikes in telerehabilitation programs could be a new intervention for more sustainable rehabilitation results. The aim is to design and build a prototype of an E-Bike usable for rehabilitation - a HEALTHeBIKE. It should avoid over-exercising, work independently of the environment and it should enable cycling in a group despite different reference exercise intensities. To achieve these goals, requirements for this system architecture have been identified. A system architecture including an Arduino microcontroller, an Android smartphone and a telemonitoring platform was presented...
2018: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/29724412/a-novel-helmet-mounted-device-for-reducing-the-potential-of-catastrophic-cervical-spine-fractures-and-spinal-cord-injuries-in-head-first-impacts
#3
REVIEW
Daniel M Dressler, Christopher R Dennison, Tom Whyte, Peter A Cripton
BACKGROUND: Head-first impacts with an aligned cervical spine cause some of the most severe types of injuries due to the risk of fractures and associated spinal cord injury. Sports, such as football, mountain biking and horseback riding, contribute to the incidence of spinal cord injury but there is potential to reduce the risk of these injuries through a helmet-mounted device. METHODS: A novel device, the Pro-Neck-Tor mechanism, was incorporated into a commercial football helmet and tested in head-first impact experiments...
April 26, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29720479/scientific-rationale-for-changing-lower-water-temperature-limits-for-triathlon-racing-to-12%C3%A2-c-with-wetsuits-and-16%C3%A2-c-without-wetsuits
#4
Jane Saycell, Mitch Lomax, Heather Massey, Mike Tipton
OBJECTIVES: To provide a scientific rationale for lower water temperature and wetsuit rules for elite and subelite triathletes. METHODS: 11 lean, competitive triathletes completed a 20 min flume swim, technical transition including bike control and psychomotor testing and a cycle across five different wetsuit and water temperature conditions: with wetsuit: 10°C, 12°C and 14°C; without wetsuit (skins): 14°C and 16°C. Deep body (rectal) temperature (Tre ), psychomotor performance and the ability to complete a technical bike course after the swim were measured, as well as swimming and cycling performance...
May 2, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29698982/a-fast-track-to-hypoalgesia-the-anaerobic-exercise-effect-on-pain-sensitivity
#5
Gil Samuelly-Leichtag, Einat Kodesh, Yoav Meckel, Irit Weissman-Fogel
Maximal anaerobic exercise, is a short high intensity effort, involves activation of the hypothalamus-pituitary-adrenal axis, and may suggest hypoalgesic effects. In addition, this exercise-induced muscle pain may contribute to hypoalgesia via the pain inhibits pain phenomenon, which is related to the diffuse noxious inhibitory control (DNIC) mechanism. We aimed to investigate whether: 1) a single bout of 30 s maximal anaerobic exercise has an analgesic effect on experimental pain sensitivity; 2) DNIC is the underlying mechanism of anaerobic exercise-induced hypoalgesia (EIH)...
April 26, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29698495/the-impact-of-high-and-low-intensity-exercise-in-adolescents-with-movement-impairment
#6
Francesca Liu, Martyn Morris, Lisa Hicklen, Hooshang Izadi, Helen Dawes
Five to six percent of young people have movement impairment (MI) associated with reduced exercise tolerance and physical activity levels which persist into adulthood. To better understand the exercise experience in MI, we determined the physiological and perceptual responses during and following a bout of exercise performed at different intensities typically experienced during sport in youth with MI. Thirty-eight adolescents (11-18 years) categorised on the Bruininks-Oseretsky Test of Motor Proficiency-2 Short-Form performed a peak oxygen uptake bike test ([Formula: see text]) test at visit 1 (V1)...
2018: PloS One
https://www.readbyqxmd.com/read/29688109/power-output-and-pacing-during-international-cross-country-mountain-bike-cycling
#7
Cyril Granier, Chris R Abbiss, Anaël Aubry, Yvon Vauchez, Sylvain Dorel, Christophe Hausswirth, Yann Le Meur
PURPOSE: To characterize the physiological profiles of elite cross-country mountain bike (XCO-MTB) cyclists, and to examine their pacing and power output (PO) distribution during international races. METHODS: Over two competitive seasons, eight elite male XCO-MTB cyclists (VO2 max: 79.9 ± 5.2 ml.min-1 .kg-1 , MAP: 411 ± 18 W and 6.3 ± 0.4 W.kg-1 ) regularly undertook incremental tests to assess their PO and heart rate (HR) at first and second ventilatory thresholds (VT1 and VT2) and at VO2max ...
April 24, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29614770/development-and-on-field-testing-of-low-cost-portable-system-for-monitoring-pm2-5-concentrations
#8
Konstantinos N Genikomsakis, Nikolaos-Fivos Galatoulas, Panagiotis I Dallas, Luis Miguel Candanedo Ibarra, Dimitris Margaritis, Christos S Ioakimidis
Recent developments in the field of low-cost sensors enable the design and implementation of compact, inexpensive and portable sensing units for air pollution monitoring with fine-detailed spatial and temporal resolution, in order to support applications of wider interest in the area of intelligent transportation systems (ITS). In this context, the present work advances the concept of developing a low-cost portable air pollution monitoring system (APMS) for measuring the concentrations of particulate matter (PM), in particular fine particles with a diameter of 2...
April 1, 2018: Sensors
https://www.readbyqxmd.com/read/29599861/the-effects-of-aerobic-exercise-and-gaming-on-cognitive-performance
#9
Peter C Douris, John P Handrakis, Demitra Apergis, Robert B Mangus, Rima Patel, Jessica Limtao, Svetlana Platonova, Aladino Gregorio, Elliot Luty
The purpose of our study was to investigate the effects of video gaming, aerobic exercise (biking), and the combination of these two activities on the domains of cognitive performance: selective attention, processing speed, and executive functioning. The study was a randomized clinical trial with 40 subjects (mean age 23.7 ± 1.8 years) randomized to one of four thirty-minute conditions: video gaming, biking, simultaneous gaming and biking, and a control condition. Cognitive performance was measured pre and post condition using the Stroop test and Trails B test...
March 2018: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29594847/the-combination-of-cardiorespiratory-fitness-and-muscle-strength-and-mortality-risk
#10
Youngwon Kim, Tom White, Katrien Wijndaele, Kate Westgate, Stephen J Sharp, Jørn W Helge, Nick J Wareham, Soren Brage
Little is known about the combined associations of cardiorespiratory fitness (CRF) and hand grip strength (GS) with mortality in general adult populations. The purpose of this study was to compare the relative risk of mortality for CRF, GS, and their combination. In UK Biobank, a prospective cohort of > 0.5 million adults aged 40-69 years, CRF was measured through submaximal bike tests; GS was measured using a hand-dynamometer. This analysis is based on data from 70,913 men and women (832 all-cause, 177 cardiovascular and 503 cancer deaths over 5...
March 28, 2018: European Journal of Epidemiology
https://www.readbyqxmd.com/read/29544075/oxygen-uptake-during-mini-trampoline-exercise-in-normal-weight-endurance-trained-adults-and-in-overweight-obese-inactive-adults-a-proof-of-concept-study
#11
Christoph Höchsmann, Anja Rossmeissl, Sandra Baumann, Denis Infanger, Arno Schmidt-Trucksäss
OBJECTIVES: To examine cardiorespiratory exertion during mini trampoline exercises of different intensities in both endurance-trained athletes and overweight-obese adults. METHODS: Physically healthy participants (Group A: normal-weight, endurance-trained athletes; Group B: inactive, overweight-obese adults) participated in two measurement appointments and three training sessions in between appointments, in which participants familiarized themselves with the use of the mini trampoline and the execution of the exercises...
March 15, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29517365/a-reference-equation-for-maximal-aerobic-power-for-treadmill-and-cycle-ergometer-exercise-testing-analysis-from-the-friend-registry
#12
Christina G de Souza E Silva, Leonard A Kaminsky, Ross Arena, Jeffrey W Christle, Claudio Gil S Araújo, Ricardo M Lima, Euan A Ashley, Jonathan Myers
Background Maximal oxygen uptake (VO2 max) is a powerful predictor of health outcomes. Valid and portable reference values are integral to interpreting measured VO2 max; however, available reference standards lack validation and are specific to exercise mode. This study was undertaken to develop and validate a single equation for normal standards for VO2 max for the treadmill or cycle ergometer in men and women. Methods Healthy individuals ( N = 10,881; 67.8% men, 20-85 years) who performed a maximal cardiopulmonary exercise test on either a treadmill or a cycle ergometer were studied...
May 2018: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/29498252/effects-of-a-one-week-vacation-with-various-activity-programs-on-cardiovascular-parameters
#13
Günther Neumayr, Peter Lechleitner
OBJECTIVE: A vacation is considered essential to achieve recovery from the stress of work. Knowledge about the potential health effects of holidays is scarce. The East Tyrolean Health Tourism Study is an open comparative study to investigate the cardiovascular effects of a one- week vacation with different activities on healthy vacationers. METHODS: Fifty-two healthy vacationers spending one week in East Tyrol participated in two types of vacation activities (golf vs...
March 1, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29468132/does-low-volume-high-intensity-interval-training-elicit-superior-benefits-to-continuous-low-to-moderate-intensity-training-in-cancer-survivors
#14
Kellie Toohey, Kate Pumpa, Andrew McKune, Julie Cooke, Katrina D DuBose, Desmond Yip, Paul Craft, Stuart Semple
AIM: To determine the impact of low volume high-intensity interval training (LVHIIT) and continuous low to moderate-intensity exercise training (CLMIT) on cardiovascular disease (CVD) risk and health outcomes in cancer survivors. METHODS: Sedentary cancer survivors ( n = 75, aged 51 ± 12 year) within 24 months of diagnosis, were randomised into three groups for 12 wk of LVHIIT ( n = 25), CLMIT ( n = 25) or control group ( n = 25). The exercise intervention involved 36 sessions (three sessions per week)...
February 10, 2018: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29437815/successful-management-of-benign-paroxysmal-positional-vertigo-bppv-in-a-patient-who-was-ventilated-with-a-c3-complete-spinal-injury-on-a-regional-spinal-unit-intensive-care
#15
Lisa Burrows
Benign paroxysmal positional vertigo (BPPV) occurs in 14.5% of patients with spinal cord injury (SCI) and may require intervention on intensive care unit (ICU). A 61-year-old man was admitted to a spinal injury ICU with a traumatic C3 complete SCI following a mountain bike accident. Ventilated but stable he complained of severe dizziness on rolling, during personal cares, which lasted for 40 s. Clinical examination was limited due to the injury and ventilation. Subjective questioning, visio-ocular control and a modified Dix-Hallpike and roll tests confirmed a right posterior canalithiasis BPPV...
February 8, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29433091/the-influence-of-lower-limb-impairments-on-racerunning-performance-in-athletes-with-hypertonia-ataxia-or-athetosis
#16
Marietta L van der Linden, Sadaf Jahed, Nicola Tennant, Martine H G Verheul
OBJECTIVES: RaceRunning enables athletes with limited or no walking ability to propel themselves independently using a three-wheeled running bike that has a saddle and a chest plate for support but no pedals. For RaceRunning to be included as a Para athletics event, an evidence-based classification system is required. Therefore, the aim of this study was to assess the association between a range of impairment measures and RaceRunning performance. METHODS: The following impairment measures were recorded: lower limb muscle strength assessed using Manual Muscle Testing (MMT), selective voluntary motor control assessed using the Selective Control Assessment of the Lower Extremity (SCALE), spasticity recorded using both the Australian Spasticity Assessment Score (ASAS) and Modified Ashworth Scale (MAS), passive range of motion (ROM) of the lower extremities and the maximum static step length achieved on a stationary bike (MSSL)...
March 2018: Gait & Posture
https://www.readbyqxmd.com/read/29415750/acute-malnutrition-among-children-aged-6-59-months-of-the-nomadic-population-in-hadaleala-district-afar-region-northeast-ethiopia
#17
Zemichael Gizaw, Wondwoson Woldu, Bikes Destaw Bitew
BACKGROUND: Acute malnutrition to be a major health burden in the world, particularly in the developing world. Acute malnutrition is associated with more than one third of the global disease burden for children. Malnourished children are physically, emotionally and intellectually less productive and suffer more from chronic illnesses and disabilities. The nature, magnitude and determinants of acute malnutrition are determined among the general populations; however, there is a lack of evidence in the nomadic communities...
February 7, 2018: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/29387445/predictive-ability-of-a-comprehensive-incremental-test-in-mountain-bike-marathon
#18
Marc-Daniel Ahrend, Patrick Schneeweiss, Peter Martus, Andreas M Niess, Inga Krauss
Objectives: Traditional performance tests in mountain bike marathon (XCM) primarily quantify aerobic metabolism and may not describe the relevant capacities in XCM. We aimed to validate a comprehensive test protocol quantifying its intermittent demands. Methods: Forty-nine athletes (38.8±9.1 years; 38 male; 11 female) performed a laboratory performance test, including an incremental test, to determine individual anaerobic threshold (IAT), peak power output (PPO) and three maximal efforts (10 s all-out sprint, 1 min maximal effort and 5 min maximal effort)...
2018: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29369834/oral-hypertonic-saline-is-effective-in-reversing-acute-mild-to-moderate-symptomatic-exercise-associated-hyponatremia
#19
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/29357306/intermittent-intense-exercise-protects-against-cognitive-decline-in-a-similar-manner-to-moderate-exercise-in-chronically-stressed-mice
#20
Hyunjin Lee, Kazufumi Nagata, Sanae Nakajima, Makoto Ohno, Shigeo Ohta, Toshio Mikami
It is well known that regular low or mild exercise helps to improve and maintain cognition. On the other hand, ever thought many people prefer high-intensity exercise (e.g., running, swimming, biking, soccer, basketball, etc.) to get rid of stress or improve their health, the previous studies reported that intense exercise either impairs cognition or has no effect on cognitive function. However, we previously showed that intermittent intense exercise prevents stress-induced depressive behavior in mice in a similar manner to moderate exercise...
June 1, 2018: Behavioural Brain Research
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