Read by QxMD icon Read


I Otero, M J Nieuwenhuijsen, D Rojas-Rueda
BACKGROUND: Bike-sharing systems (BSS) have been implemented in several cities around the world as policies to mitigate climate change, reduce traffic congestion, and promote physical activity. This study aims to assess the health impacts (risks and benefits) of major BSS in Europe. METHODS: We performed a health impact assessment study to quantify the health risks and benefits of car trips substitution by bikes trips (regular-bikes and/or electric-bikes) from European BSS with >2000 bikes...
April 15, 2018: Environment International
Hamza M Alrabai, Martin G Gesheff, Ahmed I Hammouda, Janet D Conway
Voluntary elbow extension is essential for optimal upper limb positioning required for daily living activities, particularly above-shoulder maneuvers. The authors present a case of traumatic brachial plexus injury in which paralysis of the musculature selectively supplied by the posterior cord was based on magnetic resonance imaging and nerve conduction studies. An attempt at a radial nerve graft at another center was not effective. Ipsilateral hand function improved after multiple local tendon transfers were performed...
April 9, 2018: Journal of Hand Surgery
Jelle Van Cauwenberg, Ilse De Bourdeaudhuij, Peter Clarys, Bas de Geus, Benedicte Deforche
PURPOSE: Electric bicycles (e-bikes) may offer an opportunity to stimulate physical activity among older adults. The current study compared Flemish (Belgian) older e-bike users against those not using an e-bike on socio-demographics, health characteristics and access to motorized transport. Additionally, it examined the association between e-bike use and levels of cycling and the moderating effects of sex, BMI and cycling limitations. METHODS: An online- or interview-version of the same questionnaire were completed by 1146 participants...
April 11, 2018: Medicine and Science in Sports and Exercise
Derek Ochiai
Partial thickness undersurface abductor tears can be effectively treated with a transtendinous gluteus medius and minimus repair, with decreased pain and improvement in abductor strength. The surgical treatment of this condition runs counter to traditional treatment for "greater trochanteric bursitis," and adoption may be more difficult as a result.
April 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
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
Laura E D'Acunto, Benjamin P Pauli, Mikko Moy, Kiara Johnson, Jasmine Abu-Omar, Patrick A Zollner
Mobile acoustic surveys are a common method of surveying bat communities. However, there is a paucity of empirical studies exploring different methods for conducting mobile road surveys of bats. During 2013, we conducted acoustic mobile surveys on three routes in north-central Indiana, U.S.A., using (1) a standard road survey, (2) a road survey where the vehicle stopped for 1 min at every half mile of the survey route (called a "start-stop method"), and (3) a road survey with an individual using a bicycle...
March 2018: Ecology and Evolution
Howard T Hurst, Stephen Atkins, Ben D Dickinson
OBJECTIVES: To determine the magnitude of translational and rotational head accelerations during downhill mountain biking. DESIGN: Observational study. METHODS: Sixteen male downhill cyclists (age 26.4±8.4years; stature 179.4±7.2cm; mass 75.3±5.9kg) were monitored during two rounds of the British Downhill Series. Riders performed two runs on each course wearing a triaxial accelerometer behind the right ear. The means of the two runs for each course were used to determine differences between courses for mean and maximum peak translational (g) and rotational accelerations (rad/s2 ) and impact duration for each course...
March 21, 2018: Journal of Science and Medicine in Sport
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
Dang-Nhac Lu, Duc-Nhan Nguyen, Thi-Hau Nguyen, Ha-Nam Nguyen
In this paper, we present a flexible combined system, namely the Vehicle mode-driving Activity Detection System (VADS), that is capable of detecting either the current vehicle mode or the current driving activity of travelers. Our proposed system is designed to be lightweight in computation and very fast in response to the changes of travelers' vehicle modes or driving events. The vehicle mode detection module is responsible for recognizing both motorized vehicles, such as cars, buses, and motorbikes, and non-motorized ones, for instance, walking, and bikes...
March 29, 2018: Sensors
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
Diana Marina Camargo, Paula Camila Ramírez, Vanesa Quiroga, Paola Ríos, Rogério César Férmino, Olga L Sarmiento
BACKGROUND: Public parks are an important resource for the promotion of physical activity (PA). This is the first study in Colombia and the fourth in Latin America to describe the characteristics of park users and their levels of PA using objective measures. METHODS: A systematic observation assessed sex, age, and the level of PA of users of 10 parks in an intermediate-size city in Colombia, classified in low (5 parks) and high (5 parks) socioeconomic status (SES)...
March 28, 2018: Journal of Physical Activity & Health
Sean M Stokes, Eric R Scaife, Austin M Stevens, Stephen J Fenton
BACKGROUND: The treatment of injured children contributes substantially to the financial burden of a health care system. The purpose of this study was to characterize these charges at a level-1 pediatric trauma center. METHODS: Financial data for children (<14 years) admitted for traumatic injury from 1/2009 to 12/2014 were analyzed. The charges of the index admission and first two years following discharge were evaluated. RESULTS: 5853 trauma patients were included with average annual charges of $11,128,730...
February 25, 2018: Journal of Pediatric Surgery
Jennifer D Roberts, Lindsey Rodkey, Rashawn Ray, Brian E Saelens
BACKGROUND: Although the active transportation (AT) indicator received an F grade on the 2016 US Report Card on Physical Activity for Children and Youth, this AT assessment excluded public transportation. An objective of the Built Environment and Active Play Study was to assess youth AT, including public transportation, among Washington, DC area children in relation to parental perceptions of neighborhood built environment (BE) variables. METHODS: Questionnaires were mailed to 2000 parents of children aged 7-12 years...
March 23, 2018: Journal of Physical Activity & Health
Alex Antonio Florindo, Ligia Vizeu Barrozo, Gavin Turrell, João Paulo Dos Anjos Souza Barbosa, William Cabral-Miranda, Chester Luiz Galvão Cesar, Moisés Goldbaum
Cities that support cycling for transportation reap many public health benefits. However, the prevalence of this mode of transportation is low in Latin American countries and the association with facilities such as bike paths and train/subway stations have not been clarified. We conducted a cross-sectional analysis of the relationship between bike paths, train/subway stations and cycling for transportation in adults from the city of Sao Paulo. We used data from the Sao Paulo Health Survey ( n = 3145). Cycling for transportation was evaluated by a questionnaire and bike paths and train/subway stations were geocoded using the geographic coordinates of the adults' residential addresses in 1500-m buffers...
March 21, 2018: International Journal of Environmental Research and Public Health
Yanyong Guo, Zhibin Li, Yao Wu, Chengcheng Xu
Bicyclists running the red light at crossing facilities increase the potential of colliding with motor vehicles. Exploring the contributing factors could improve the prediction of running red-light probability and develop countermeasures to reduce such behaviors. However, individuals could have unobserved heterogeneities in running a red light, which make the accurate prediction more challenging. Traditional models assume that factor parameters are fixed and cannot capture the varying impacts on red-light running behaviors...
March 17, 2018: Accident; Analysis and Prevention
Maria C Mirabelli, Tegan K Boehmer, Scott A Damon, Kanta D Sircar, Hilary K Wall, Fuyuen Y Yip, Hatice S Zahran, Paul L Garbe
INTRODUCTION: Poor air quality affects respiratory and cardiovascular health. Information about health risks associated with outdoor air quality is communicated to the public using air quality alerts. This study was conducted to assess associations of existing respiratory and heart disease with three aspects of air quality awareness: awareness of air quality alerts, discussing with a health professional strategies to reduce air pollution exposure, and avoiding busy roads to reduce air pollution exposure when walking, biking, or exercising outdoors...
March 15, 2018: American Journal of Preventive Medicine
Fred Feng, Shan Bao, Robert C Hampshire, Michael Delp
This paper demonstrates a unique and promising approach to study driver-bicyclist interactions from a driver's perspective by using in-vehicle sensory data from naturalistic driving studies. A total of 4789 events of drivers overtaking bicyclists were extracted from an existing naturalistic driving study in Michigan, United States. The vehicle lateral placement at the time of passing bicyclists was used as a surrogate safety measure. A number of factors were examined, including the lane marking type, the presence of a bike lane or paved shoulder, the presence of traffic, lane width, and driver distraction...
March 15, 2018: Accident; Analysis and Prevention
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
Xiangyu Chang, Jingzhou Shen, Xiaoling Lu, Shuai Huang
The emerging Bicycle Sharing System (BSS) provides a new social microscope that allows us to "photograph" the main aspects of the society and to create a comprehensive picture of human mobility behavior in this new medium. BSS has been deployed in many major cities around the world as a short-distance trip supplement for public transportations and private vehicles. A unique value of the bike flow data generated by these BSSs is to understand the human mobility in a short-distance trip. This understanding of the population on short-distance trip is lacking, limiting our capacity in management and operation of BSSs...
2018: PloS One
Alexa M Bouts, Lauren Brackman, Elizabeth Martin, Adam M Subasic, Edward S Potkanowicz
People use their smartphones for everything from web browsing to tracking fitness metrics. However, it is unclear whether smartphone-based apps that use photoplethysmography to measure heart rate are an accurate or valid measure of exercise intensity. Purpose was to determine the accuracy and validity of two iOS-based heart rate monitors, Runtastic Heart Rate Monitor and Pulse Tracker PRO by Runtastic (Runtastic) and Instant Heart Rate+: Heart Rate and Pulse Monitor by Azumio (Instant Heart Rate), when compared to the electrocardiogram (ECG) and Polar® T31 uncoded heart rate monitor from moderate to vigorous intensity exercise...
2018: International Journal of Exercise Science
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"