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https://www.readbyqxmd.com/read/28817836/sitting-physical-activity-and-serum-oestrogen-metabolism-in-postmenopausal-women-the-women-s-health-initiative-observational-study
#1
Hannah Oh, Hannah Arem, Charles E Matthews, Nicolas Wentzensen, Kerryn W Reding, Louise A Brinton, Garnet L Anderson, Sally B Coburn, Jane A Cauley, Chu Chen, Deborah Goodman, Ruth M Pfeiffer, Roni T Falk, Xia Xu, Britton Trabert
BACKGROUND: Prolonged sitting and lower levels of physical activity have been associated with increased levels of parent oestrogens (oestrone and oestradiol), the key hormones in female cancers, in postmenopausal women. However, it is unknown whether sitting and physical activity are associated with circulating oestrogen metabolite levels. METHODS: Among 1804 postmenopausal women enrolled in the Women's Health Initiative Observational Study, 15 serum oestrogens/oestrogen metabolites were quantified using liquid chromatography-tandem mass spectrometry...
August 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28816914/congenital-hypotonia-in-toddlerhood
#2
Naomi Steiner, Alcy Torres, Arathi Reddy, Marilyn Augustyn
David is a 22-month-old boy who is new to your practice. He recently moved from a rural area in the Midwest. His father is in the United States Air Force, and his mother works as a full-time homemaker. Their household includes 5 older siblings. The family moves every year because of the father's Air Force placement.David was born full-term in Virginia, with no reported pregnancy complications and no alcohol, tobacco, or drug exposure. He was delivered vaginally, with Apgar scores of 7 and 9, respectively and no respiratory issues...
August 9, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28816735/effects-of-an-intervention-to-reduce-sitting-at-work-on-arousal-fatigue-and-mood-among-sedentary-female-employees-a-parallel-group-randomized-trial
#3
Emily L Mailey, Sara K Rosenkranz, Elizabeth Ablah, Aaron Swank, Kelsey Casey
OBJECTIVE: The aim of this study was to determine whether individuals who participated in an intervention to reduce sitting at work would report changes in arousal, fatigue, and mood. METHODS: Inactive females with full-time sedentary occupations (N = 49) were randomly assigned to take short, frequent breaks (SBs) or longer, planned breaks (LBs) from sitting each workday for 8 weeks. At baseline and postintervention, participants completed measures of arousal, fatigue, and mood...
August 14, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28816590/physical-activity-and-sedentary-behaviors-among-lesbian-bisexual-and-heterosexual-women-findings-from-the-nurses-health-study-ii
#4
Nicole A VanKim, S Bryn Austin, Hee-Jin Jun, Heather L Corliss
INTRODUCTION: Lesbian and bisexual (LB) women are at greater risk of obesity than heterosexuals. However, few studies have examined sexual orientation differences in physical activity (PA) and even fewer have examined differences in sedentary behaviors. This study assessed PA more comprehensively than previous research by including aerobic PA, strengthening PA, and sitting time, to explore sexual orientation differences among adult women. METHODS: Nearly 100,000 women from Nurses' Health Study II were included in multivariable-adjusted repeated measures analyses...
August 17, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28816343/application-of-n-of-1-experiments-to-test-the-efficacy-of-inactivity-alert-features-in-fitness-trackers-to-increase-breaks-from-sitting-in-older-adults
#5
Dori E Rosenberg, Elyse Kadokura, Margaret E Morris, Anne Renz, Roger M Vilardaga
BACKGROUND: Frequent breaks from sitting could improve health. Many commercially available fitness trackers deliver vibration alerts that could be used to cue sitting breaks. As a potentially pragmatic approach to promote frequent breaks from sitting, we tested the efficacy of inactivity alerts among obese older adults, a highly sedentary population. METHODS: We conducted 10 sequential N-of-1 (single-case) experimental ABA trials. Participants (mean age = 68, mean BMI = 35) were monitored for a baseline phase ("A1") followed by an intervention phase ("B")...
August 16, 2017: Methods of Information in Medicine
https://www.readbyqxmd.com/read/28815501/immunohistochemical-procedures-for-characterizing-the-retinal-expression-patterns-of-cre-driver-mouse-lines
#6
Qi Lu, Zhuo-Hua Pan
The retina is a thin neural tissue sitting on the backside of the eye, composed of light-sensing cells, interneurons, and output ganglion neurons. The latter send electrical signals to higher visual centers in the brain. Transgenic mouse lines are becoming one of the most valuable mammalian animal models for the study of visual signal processing within the retina. Especially, the generation of Cre recombinase transgenic mouse lines provides a powerful tool for genetic manipulation. A key step for the utilization of transgenic lines is the characterization of their transgene expression patterns in the retina...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28814583/does-use-of-point-of-care-testing-improve-cost-effectiveness-of-the-nhs-health-check-programme-in-the-primary-care-setting-a-cost-minimisation-analysis
#7
Austen El-Osta, Maria Woringer, Elena Pizzo, Talitha Verhoef, Claire Dickie, Melody Z Ni, Jeremy R Huddy, Michael Soljak, George B Hanna, Azeem Majeed
OBJECTIVE: To determine if use of point of care testing (POCT) is less costly than laboratory testing to the National Health Service (NHS) in delivering the NHS Health Check (NHSHC) programme in the primary care setting. DESIGN: Observational study and theoretical mathematical model with microcosting approach. SETTING: We collected data on NHSHC delivered at nine general practices (seven using POCT; two not using POCT). PARTICIPANTS: We recruited nine general practices offering NHSHC and a pathology services laboratory in the same area...
August 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/28814055/twiice-a-lightweight-lower-limb-exoskeleton-for-complete-paraplegics
#8
Tristan Vouga, Romain Baud, Jemina Fasola, Mohamed Bouri, Hannes Bleuler
This paper introduces TWIICE, a lower-limb exoskeleton that enables people suffering from complete paraplegia to stand up and walk again. TWIICE provides complete mobilization of the lower-limbs, which is a first step toward enabling the user to regain independence in activities of the daily living. The tasks it can perform include level and inclined walking (up to 20° slope), stairs ascent and descent, sitting on a seat, and standing up. Participation in the world's first Cybathlon (Zurich, 2016) demonstrated good performance at these demanding tasks...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813992/review-of-the-actuators-of-active-knee-prostheses-and-their-target-design-outputs-for-activities-of-daily-living
#9
Dominik Simon Pieringer, Martin Grimmer, Michael Friedrich Russold, Robert Riener
Active prosthetic knees have the capability to provide net positive work, which is required in daily activities like stair and ramp negotiation or sit-to-stand transfers. Adding this capability might help to increase user mobility, safety, and independence. This article summarizes the biomechanical knee requirements for different activities of daily living and critically compares them with the actuator characteristics of state-of-the-art active prosthetic knee joints. As a result of a systematic literature research 22 active prosthetic knee joints were identified...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813940/recording-gaze-trajectory-of-wheelchair-users-by-a-spherical-camera
#10
Shigang Li, Tatsuya Fujiura, Isao Nakanishi
Wheelchairs are widely used in the facilities of rehabilitation. In this paper, we propose a method of recording the gaze trajectory of wheelchair users by using a spherical camera mounted on the wheelchairs. A spherical camera has a full field of view and can observe the entire surrounding scenes. First, the gaze point of a user sitting on a wheelchair is estimated from the corneal reflection image observed by a wearable eye camera. Then, the gaze point is mapped onto the full-view image captured by the spherical camera via feature matching...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813863/comparison-of-kinematic-and-emg-parameters-between-unassisted-fixed-and-adaptive-stiffness-robotic-assisted-ankle-movements-in-post-stroke-subjects
#11
Juan C Perez-Ibarra, Adriano A G Siqueira
In this paper, we present an assist-as-needed scheme that effectively adapted the assistance provided by an ankle rehabilitation robot according to patient's participation and performance during therapeutic movements. We performed an error-based estimation of the ankle impedance as a valid measure of the patient participation. Then, we computed the amount of robotic assistance by three steps: normalization of the combined patient-robot stiffness, optimization of patientrobot interaction, and finally, adaptation of the level of the robotic assistance according to patient's performance while playing a serious game...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813859/an-assistive-lower-limb-exoskeleton-for-people-with-neurological-gait-disorders
#12
A Ortlieb, M Bouri, R Baud, H Bleuler
Lower limb exoskeletons have already proven the capability to give back mobility to people suffering from spinal cord injury (SCI). Other important populations such as people with multiple sclerosis or muscular dystrophy, frail elderly and stroke victims, suffer from severe gait impairments and could benefit from similar technology. The work presented in the current paper describes a novel design of a 6-actuated degrees of freedom (DOFs) assistive lower limb exoskeleton for people with moderate mobility impairments...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813854/automated-stand-up-and-sit-down-detection-for-robot-assisted-body-weight-support-training-with-the-float
#13
Mathias Bannwart, Dominique Emst, Chris Easthope, Marc Bolliger, Georg Rauter
Patients with impaired walking function are often dependent on assistive devices to retrain gait and regain independence in life. To provide adequate support, gait rehabilitation devices have to be manually set to the correct support mode or have to recognize the type and starting point of a certain motion automatically. For automated motion type detection, machine learning-based classification algorithms using sensor signals from different body parts can achieve robust performance. However, until today, there is only little work available to detect motion onset...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813852/event-based-control-for-sit-to-stand-transition-using-a-wearable-exoskeleton
#14
Vijaykumar Rajasekaran, Manuel Vinagre, Joan Aranda
Sit-to-stand transition is an essential step in a lower limb rehabilitation therapy, mainly for assisting the patient to transit from wheel chair to the next level of therapy. A mixed stiffness-damping control adaptation is proposed for this task which will help in reaching the final position with a constant velocity. A combination of control model is proposed to ensure the initiation and the final stage of the transition, such as to ensure stability and to maintain the equilibrium. The combined control model helps in reaching the goal position with equal participation from the user...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813845/an-assistance-device-to-help-people-with-trunk-impairment-maintain-posture
#15
Tomoka Ogura, Taku Itami, Ken'ichi Yano, Ichidai Mori, Kazuhiro Kameda
People with trunk impairment cannot lean forward because of the dysfunction of the trunk resulting from events such as cervical cord injury (CCI). It is therefore difficult for such people to work at a table because they may easily fall from their wheelchair, and it is also hard for them to return to their original position. This limits the activities of daily living (ADLs) of people with trunk impairment. These problems can be solved to some extent with equipment such as a wheelchair belt or a spinal orthosis that can help the person to maintain his or her posture...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813622/the-effect-of-posture-on-intraocular-pressure-and-systemic-hemodynamic-parameters-in-treated-and-untreated-patients-with-primary-open-angle-glaucoma
#16
Andreas Katsanos, Anna I Dastiridou, Luciano Quaranta, Eliana Rulli, Ivano Riva, Varvara Dimasi, Evangelia E Tsironi, Robert N Weinreb
PURPOSE: To assess intraocular pressure (IOP), systolic, diastolic, and mean arterial blood pressure (SBP, DBP, MAP) changes in the sitting, supine, and 20° head-down (Trendelenburg) position in treated (tPOAG) and untreated (uPOAG) primary open-angle glaucoma patients and healthy controls. METHODS: All participants underwent IOP and systemic BP measurements in the sitting, supine, and Trendelenburg positions during office hours. IOP and BP readings in the sitting, supine, and Trendelenburg positions were analyzed...
August 16, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28813033/a-vision-based-wayfinding-system-for-visually-impaired-people-using-situation-awareness-and-activity-based-instructions
#17
Eunjeong Ko, Eun Yi Kim
A significant challenge faced by visually impaired people is 'wayfinding', which is the ability to find one's way to a destination in an unfamiliar environment. This study develops a novel wayfinding system for smartphones that can automatically recognize the situation and scene objects in real time. Through analyzing streaming images, the proposed system first classifies the current situation of a user in terms of their location. Next, based on the current situation, only the necessary context objects are found and interpreted using computer vision techniques...
August 16, 2017: Sensors
https://www.readbyqxmd.com/read/28812478/nursingstandard-com
#18
(no author information available yet)
1 Nottingham University Hospitals NHS Trust has launched the #EDFit2Sit campaign, providing seating, rather than trolleys, where appropriate. It is hoped the scheme will encourage patients to stay active and avoid deconditioning. Read more: rcni.com/fit-to-sit.
August 16, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28812453/ergonomic-evaluation-of-a-new-truck-seat-design-a-field-study
#19
Michelle Cardoso, Fred Fulton, Colin McKinnon, Jack P Callaghan, Michel J Johnson, Wayne J Albert
A postural evaluation of commercial licensed truck drivers was conducted to determine the ergonomic benefits of a truck seat prototype in comparison to an Industry standard seat. Twenty commercially licensed truck drivers were recruited to perform a 90-min driving task. Postures were assessed using accelerometers and a backrest and seat pan pressure mapping system. Subjective discomfort measurements were monitored using two questionnaires: ratings of perceived discomfort (RPD) and the automotive seating discomfort questionnaire (ASDQ)...
August 16, 2017: International Journal of Occupational Safety and Ergonomics: JOSE
https://www.readbyqxmd.com/read/28811303/adaptive-camouflage-what-can-be-learned-from-the-wetting-behaviour-of-the-tropical-flat-bugs-dysodius-lunatus-and-dysodiusmagnus
#20
Florian Hischen, Vladislav Reiswich, Desirée Kupsch, Ninon De Mecquenem, Michael Riedel, Markus Himmelsbach, Agnes Weth, Ernst Heiss, Oskar Armbruster, Johannes Heitz, Werner Baumgartner
The neotropical flat bug species Dysodius lunatus and Dysodius magnus show a fascinating camouflage principle, as their appearance renders the animal hardly visible on the bark of trees. However, when getting wet due to rain, bark changes its colour and gets darker. In order to keep the camouflage effect, it seems that some Dysodius species benefit from their ability to hold a water film on their cuticle and therefore change their optical properties when also wetted by water. This camouflage behaviour requires the insect to have a hydrophilic surface and passive surface structures which facilitate the liquid spreading...
August 15, 2017: Biology Open
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