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https://www.readbyqxmd.com/read/27904756/ct-negative-mri-gre-positive-primary-motor-cortex-contusion-causing-isolated-foot-drop
#1
Alexander M Tucker, Tianyi Niu, Daniel T Nagasawa, Richard Everson, Shaina Sedighim, Manuel M Buitrago Blanco
BACKGROUND: Isolated acute foot drop due to traumatic brain injury is exceedingly rare and is often misdiagnosed during initial evaluation. Here, we present the case of a patient who presented with left foot drop after falling off a bicycle. CASE DESCRIPTION: The patient is a 55-year-old male who was mountain biking when he fell, hit his head, and lost consciousness. Neurologic examination of the left leg revealed foot drop, no sensory deficits, and 3+ reflexes at the knee and ankle with clonus...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27890161/primary-or-secondary-tasks-dual-task-interference-between-cyclist-hazard-perception-and-cadence-control-using-cross-modal-sensory-aids-with-rider-assistance-bike-computers
#2
Chao-Yang Yang, Cheng-Tse Wu
This research investigated the risks involved in bicycle riding while using various sensory modalities to deliver training information. To understand the risks associated with using bike computers, this study evaluated hazard perception performance through lab-based simulations of authentic riding conditions. Analysing hazard sensitivity (d') of signal detection theory, the rider's response time, and eye glances provided insights into the risks of using bike computers. In this study, 30 participants were tested with eight hazard perception tasks while they maintained a cadence of 60 ± 5 RPM and used bike computers with different sensory displays, namely visual, auditory, and tactile feedback signals...
March 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/27832925/ecological-validity-of-the-german-bruininks-oseretsky-test-of-motor-proficiency-2nd-edition
#3
Sabine Vinçon, Dido Green, Rainer Blank, Ekkehart Jenetzky
The diagnosis of Developmental Coordination Disorder (DCD) is based on poor motor coordination in the absence of other neurological disorders. In order to identify the presence of movement difficulties, a standardised motor assessment is recommended to determine the extent of movement problems which may contribute to deficits in daily task performance. A German version of the Bruininks-Oseretsky Test of Motor Proficiency, Second Edition (German BOT-2) was recently published. This study aimed to determine the ecological validity of the German BOT-2 by considering the relationship between assessment of fundamental motor skills with the BOT-2 and performance of everyday motor activities as evaluated by parents...
November 7, 2016: Human Movement Science
https://www.readbyqxmd.com/read/27806079/cycling-on-a-bike-desk-positively-influences-cognitive-performance
#4
Tine Torbeyns, Bas de Geus, Stephen Bailey, Kevin De Pauw, Lieselot Decroix, Jeroen Van Cutsem, Romain Meeusen
PURPOSE: Cycling desks as a means to reduce sedentary time in the office has gained interest as excessive sitting has been associated with several health risks. However, the question rises if people will still be as efficient in performing their desk-based office work when combining this with stationary cycling. Therefore, the effect of cycling at 30% Wmax on typing, cognitive performance and brain activity was investigated. METHODS: After two familiarisation sessions, 23 participants performed a test battery [typing test, Rey auditory verbal learning test (RAVLT), Stroop test and Rosvold continuous performance test (RCPT)] with electroencephalography recording while cycling and sitting on a conventional chair...
2016: PloS One
https://www.readbyqxmd.com/read/27781180/a-pilot-study-examining-the-effects-of-low-volume-high-intensity-interval-training-and-continuous-low-to-moderate-intensity-training-on-quality-of-life-functional-capacity-and-cardiovascular-risk-factors-in-cancer-survivors
#5
Kellie Toohey, Kate L Pumpa, Leonard Arnolda, Julie Cooke, Desmond Yip, Paul S Craft, Stuart Semple
PURPOSE: The aim of this study was to evaluate the effects of low-volume high-intensity interval training and continuous low to moderate intensity training on quality of life, functional capacity and cardiovascular disease risk factors in cancer survivors. METHODS: Cancer survivors within 24 months post-diagnosis were randomly assigned into the low-volume high-intensity interval training group (n = 8) or the continuous low to moderate intensity training group (n = 8) group for 36 sessions (12 weeks) of supervised exercise...
2016: PeerJ
https://www.readbyqxmd.com/read/27763583/altered-gas-exchange-at-peak-exercise-in-obese-adolescents-implications-for-verification-of-effort-during-cardiopulmonary-exercise-testing
#6
Nastasia Marinus, Liene Bervoets, Guy Massa, Kenneth Verboven, An Stevens, Tim Takken, Dominique Hansen
BACKGROUND: Cardiopulmonary exercise testing is advised ahead of exercise intervention in obese adolescents to assess medical safety of exercise and physical fitness. Optimal validity and reliability of test results are required to identify maximal exercise effort. As fat oxidation during exercise is disturbed in obese individuals, it remains an unresolved methodological issue whether the respiratory gas exchange ratio (RER) is a valid marker for maximal effort during exercise testing in this population...
October 20, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27747366/pilot-testing-of-a-sampling-methodology-for-assessing-seed-attachment-propensity-and-transport-rate-in-a-soil-matrix-carried-on-boot-soles-and-bike-tires
#7
Nigel Hardiman, Kristina Charlotte Dietz, Ian Bride, Louis Passfield
Land managers of natural areas are under pressure to balance demands for increased recreation access with protection of the natural resource. Unintended dispersal of seeds by visitors to natural areas has high potential for weedy plant invasions, with initial seed attachment an important step in the dispersal process. Although walking and mountain biking are popular nature-based recreation activities, there are few studies quantifying propensity for seed attachment and transport rate on boot soles and none for bike tires...
October 17, 2016: Environmental Management
https://www.readbyqxmd.com/read/27742438/variability-of-airborne-particle-metrics-in-an-urban-area
#8
V Rizza, L Stabile, G Buonanno, L Morawska
In the present study a mobile monitoring approach (i.e. bike with onboard instruments) was proposed and applied to investigate the spatial variability of all the key airborne particle metrics in an Italian urban area from a statistical point of view. Particle number, alveolar-deposited surface area, and PM10 concentrations were measured through hand-held monitors and compared to simultaneous background concentrations by means of non-parametric tests and further post-hoc tests (Kruskal-Wallis test). Streets characterized by exposure levels statistically higher than the background levels for all the particle metrics were identified for different seasons in a pilot urban area (Cassino, Italy)...
January 2017: Environmental Pollution
https://www.readbyqxmd.com/read/27697429/longer-versus-shorter-duration-of-rehabilitation-following-lung-transplantation-a-randomised-trial
#9
Louise M Fuller, Brenda Button, Ben Tarrant, Ranjana Steward, Lisa Bennett, Greg Snell, Anne E Holland
OBJECTIVE: This study aimed to investigate the effects of a supervised longer (14 week) versus shorter duration, (7 week) rehabilitation program after lung transplantation (LTX). DESIGN: Randomised controlled trial SETTING: Post lung transplantation patients were randomised to either a shorter rehabilitation program (7 weeks) or a longer program (14 weeks) in an outpatient rehabilitation gym setting. PARTICIPANTS: Post lung transplantation patients aged 18 years or older who had undergone either single (SLTX) or bilateral lung (BSLTX) transplantation...
September 30, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27679447/modeling-and-optimization-of-airbag-helmets-for-preventing-head-injuries-in-bicycling
#10
Mehmet Kurt, Kaveh Laksari, Calvin Kuo, Gerald A Grant, David B Camarillo
Bicycling is the leading cause of sports-related traumatic brain injury. Most of the current bike helmets are made of expanded polystyrene (EPS) foam and ultimately designed to prevent blunt trauma, e.g., skull fracture. However, these helmets have limited effectiveness in preventing brain injuries. With the availability of high-rate micro-electrical-mechanical systems sensors and high energy density batteries, a new class of helmets, i.e., expandable helmets, can sense an impending collision and expand to protect the head...
September 27, 2016: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/27613434/the-cost-effectiveness-of-bike-lanes-in-new-york-city
#11
Jing Gu, Babak Mohit, Peter Alexander Muennig
BACKGROUND: Our objective is to evaluate the cost-effectiveness of investments in bike lanes using New York City's (NYC) fiscal year 2015 investment as a case study. We also provide a generalizable model, so that localities can estimate their return on bike lane investments. METHODS AND FINDINGS: We evaluate the cost-effectiveness of bike lane construction using a two-stage model. Our regression analysis, to estimate the marginal addition of lane miles on the expansion in bike ridership, reveals that the 45...
September 9, 2016: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/27552233/the-validity-and-reliability-of-a-sample-of-10-wattbike-cycle-ergometers
#12
Barney Wainwright, Carlton Brian Cooke, John Paul O'Hara
The purpose of the study was to assess the validity and inter-bike reliability of 10 Wattbike cycle ergometers, and to assess the test-retest reliability of one Wattbike. Power outputs from 100 to 1000 W were applied using a motorised calibration rig (LODE) at cadences of 70, 90, 110 and 130 rev · min(-1), which created nineteen different intensities for comparison. Significant relationships (P < 0.01, r(2) = 0.99) were found between each of the Wattbikes and the LODE. Each Wattbike was found to be valid and reliable and had good inter-bike agreement...
August 23, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27548562/perception-of-safety-and-liking-associated-to-the-colour-intervention-of-bike-lanes-contribution-from-the-behavioural-sciences-to-urban-design-and-wellbeing
#13
Pablo Vera-Villarroel, Daniela Contreras, Sebastián Lillo, Christian Beyle, Ariel Segovia, Natalia Rojo, Sandra Moreno, Francisco Oyarzo
The perception of colour and its subjective effects are key issues to designing safe and enjoyable bike lanes. This paper addresses the relationship between the colours of bike lane interventions-in particular pavement painting and intersection design-and the subjective evaluation of liking, visual saliency, and perceived safety related to such an intervention. Utilising images of three real bike lane intersections modified by software to change their colour (five in total), this study recruited 538 participants to assess their perception of all fifteen colour-design combinations...
2016: PloS One
https://www.readbyqxmd.com/read/27540443/rhabdomyolysis-after-ankle-strain-and-light-cycling
#14
James Hu, David Ng
A 35-year-old female presented to the emergency room with severe upper leg and back pain, which began 3 days after low-intensity cycling and falling from a stationary bike. She developed rhabdomyolysis with a maximum serum creatine kinase level of 72,358 U/L. This case report demonstrates that rhabdomyolysis has a wide range and spectrum of causes and risk factors. Although uncommon, this condition can occur after low-intensity exercise despite absence of other significant risk factors. Thus, clinicians should maintain a high clinical suspicion when initial history, physical examination, and laboratory tests suggest this diagnosis...
September 2016: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/27504176/anthropometric-profiling-of-new-zealand-junior-elite-triathletes
#15
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/27490817/effect-of-bike-fit-in-the-perception-of-comfort-fatigue-and-pain
#16
Jose Ignacio Priego Quesada, Pedro Pérez-Soriano, Angel Gabriel Lucas-Cuevas, Rosario Salvador Palmer, Rosa M Cibrián Ortiz de Anda
The aim of this study was to assess the influence of different bike positions on the perception of fatigue, pain and comfort. Twenty cyclists underwent three tests that involved cycling for 45 min at their individual 50% peak aerobic power output while adopting different positions on the bike. Participants performed the cycling tests adopting three positions defined by two parameters (knee flexion angle [20°, 30°, 40°] and trunk flexion angle [35°, 45°, 55°]) in random order. Angles were measured using a 2D motion analysis system during cycling and applying Fonda's correction factor...
August 4, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27376054/exploring-the-cross-sectional-association-between-transit-oriented-development-zoning-and-active-travel-and-transit-usage-in-the-united-states-2010-2014
#17
Emily Thrun, Julien Leider, Jamie F Chriqui
BACKGROUND: In response to traditional zoning codes that contribute to car-dependent sprawling and disconnected neighborhoods, communities are reforming their land use laws to create pedestrian-friendly areas that promote physical activity. One such reform is the adoption of transit-oriented developments or districts (TODs). TODs are higher density, compact, and mixed use areas located around transit stops that are designed to encourage walking. PURPOSE: To identify the characteristics of communities that have adopted TODs in their land use laws and examine if communities that have included TODs in their zoning codes are more likely to have adults that commute by any form of active transportation (i...
2016: Frontiers in Public Health
https://www.readbyqxmd.com/read/27334024/complete-street-intervention-for-walking-to-transit-non-transit-walking-and-bicycling-a-quasi-experimental-demonstration-of-increased-use
#18
Barbara B Brown, Ken R Smith, Doug Tharp, Carol M Werner, Calvin P Tribby, Harvey J Miller, Wyatt Jensen
BACKGROUND: Complete streets require evaluation to determine if they encourage active transportation. METHODS: Data were collected before and after a street intervention provided new light rail, bike lanes, and better sidewalks in Salt Lake City, Utah. Residents living near (<800 m) and far (≥801-2000 m) from the street were compared, with sensitivity tests for alternative definitions of near (<600 and <1000 m). Dependent variables were accelerometer/global positioning system (GPS) measures of transit trips, non-transit walking trips, and biking trips that included the complete street corridor...
June 22, 2016: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/27332774/peripheral-brain-derived-neurotrophic-factor-is-related-to-cardiovascular-risk-factors-in-active-and-inactive-elderly-men
#19
A Zembron-Lacny, W Dziubek, M Rynkiewicz, B Morawin, M Woźniewski
Regular exercise plays an important preventive and therapeutic role in heart and vascular diseases, and beneficially affects brain function. In blood, the effects of exercise appear to be very complex and could include protection of vascular endothelial cells via neurotrophic factors and decreased oxidative stress. The purpose of this study was to identify the age-related changes in peripheral brain-derived neurotrophic factor (BDNF) and its relationship to oxidative damage and conventional cardiovascular disease (CVD) biomarkers, such as atherogenic index, C-reactive protein (hsCRP) and oxidized LDL (oxLDL), in active and inactive men...
June 20, 2016: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/27298575/design-and-development-of-a-smart-exercise-bike-for-motor-rehabilitation-in-individuals-with-parkinson-s-disease
#20
Hassan Mohammadi-Abdar, Angela L Ridgel, Fred M Discenzo, Kenneth A Loparo
Recent studies in rehabilitation of Parkinson's disease (PD) have shown that cycling on a tandem bike at a high pedaling rate can reduce the symptoms of the disease. In this research, a smart motorized bicycle has been designed and built for assisting Parkinson's patients with exercise to improve motor function. The exercise bike can accurately control the rider's experience at an accelerated pedaling rate while capturing real-time test data. Here, the design and development of the electronics and hardware as well as the software and control algorithms are presented...
June 2016: IEEE/ASME Transactions on Mechatronics
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