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https://www.readbyqxmd.com/read/28231408/climbing-bloom-s-taxonomy-pyramid-lessons-from-a-graduate-histology-course
#1
Nikki B Zaidi, Charles Hwang, Sara Scott, Stefanie Stallard, Joel Purkiss, Michael Hortsch
Bloom's taxonomy was adopted to create a subject-specific scoring tool for histology multiple-choice questions (MCQs). This Bloom's Taxonomy Histology Tool (BTHT) was used to analyze teacher- and student-generated quiz and examination questions from a graduate level histology course. Multiple-choice questions using histological images were generally assigned a higher BTHT level than simple text questions. The type of microscopy technique (light or electron microscopy) used for these image-based questions did not result in any significant differences in their Bloom's taxonomy scores...
February 23, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/28228509/the-use-of-clamping-grips-and-friction-pads-by-tree-frogs-for-climbing-curved-surfaces
#2
Thomas Endlein, Aihong Ji, Shanshan Yuan, Iain Hill, Huan Wang, W Jon P Barnes, Zhendong Dai, Metin Sitti
Most studies on the adhesive mechanisms of climbing animals have addressed attachment against flat surfaces, yet many animals can climb highly curved surfaces, like twigs and small branches. Here we investigated whether tree frogs use a clamping grip by recording the ground reaction forces on a cylindrical object with either a smooth or anti-adhesive, rough surface. Furthermore, we measured the contact area of fore and hindlimbs against differently sized transparent cylinders and the forces of individual pads and subarticular tubercles in restrained animals...
February 22, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28227976/user-intent-prediction-with-a-scaled-conjugate-gradient-trained-artificial-neural-network-for-lower-limb-amputees-using-a-powered-prosthesis
#3
Richard B Woodward, John A Spanias, Levi J Hargrove, Richard B Woodward, John A Spanias, Levi J Hargrove, John A Spanias, Richard B Woodward, Levi J Hargrove
Powered lower limb prostheses have the ability to provide greater mobility for amputee patients. Such prostheses often have pre-programmed modes which can allow activities such as climbing stairs and descending ramps, something which many amputees struggle with when using non-powered limbs. Previous literature has shown how pattern classification can allow seamless transitions between modes with a high accuracy and without any user interaction. Although accurate, training and testing each subject with their own dependent data is time consuming...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227608/a-triboelectric-motion-sensor-in-wearable-body-sensor-network-for-human-activity-recognition
#4
Hui Huang, Xian Li, Ye Sun, Hui Huang, Xian Li, Ye Sun, Ye Sun, Hui Huang, Xian Li
The goal of this study is to design a novel triboelectric motion sensor in wearable body sensor network for human activity recognition. Physical activity recognition is widely used in well-being management, medical diagnosis and rehabilitation. Other than traditional accelerometers, we design a novel wearable sensor system based on triboelectrification. The triboelectric motion sensor can be easily attached to human body and collect motion signals caused by physical activities. The experiments are conducted to collect five common activity data: sitting and standing, walking, climbing upstairs, downstairs, and running...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227236/a-wheelchair-with-lever-propulsion-control-for-climbing-up-and-down-stairs
#5
Kai Sasaki, Yosuke Eguchi, Kenji Suzuki, Kai Sasaki, Yosuke Eguchi, Kenji Suzuki, Kenji Suzuki, Yosuke Eguchi, Kai Sasaki
This study proposes a novel stair-climbing wheelchair based on lever propulsion control using the human upper body. Wheelchairs are widely used as supporting locomotion devices for people with acquired lower limb disabilities. However, steps and stairs are critical obstacles to locomotion, which restrict their activities when using wheelchairs. Previous research focused on power-assisted, stair-climbing wheelchairs, which were large and heavy due to its large actuators and mechanisms. In the previous research, we proposed a wheelchair with lever propulsion mechanism and presented its feasibility of climbing up the stairs...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224708/out-on-a-limb-bandicoot-limb-co-variation-suggests-complex-impacts-of-development-and-adaptation-on-marsupial-forelimb-evolution
#6
Kathleen Garland, Ariel Marcy, Emma Sherratt, Vera Weisbecker
Marsupials display far less forelimb diversity than placentals, possibly because of the laborious forelimb-powered climb to the pouch performed by most marsupial neonates. This is thought to result in stronger morphological integration (i.e., higher co-variance) within the marsupial forelimb skeleton, and lower integration between marsupial fore- and hind limbs, compared to other mammals. Possible mechanisms for this constraint are a fundamental developmental change in marsupial limb patterning, or alternatively more immediate perinatal biomechanical and metabolic requirements...
February 22, 2017: Evolution & Development
https://www.readbyqxmd.com/read/28222059/brief-intense-stair-climbing-improves-cardiorespiratory-fitness-erratum
#7
(no author information available yet)
No abstract text is available yet for this article.
March 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28219683/the-c1q-complement-family-of-synaptic-organizers-not-just-complementary
#8
REVIEW
Michisuke Yuzaki
Molecules that regulate formation, differentiation, and maintenance of synapses are called synaptic organizers. Recently, various 'C1q family' proteins have been shown to be released from neurons, and serve as a new class of synaptic organizers. Cbln1 and C1ql1 proteins regulate the formation and maintenance of parallel fiber-Purkinje cell and climbing fiber-Purkinje cell synapses, respectively, in the cerebellum. Cbln1 also modulates the function of postsynaptic delta2 glutamate receptors to regulate synaptic plasticity...
February 17, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/28219105/effects-of-resistance-training-volume-on-mmps-in-circulation-muscle-and-adipose-tissue
#9
Ivo Vieira de Sousa Neto, Ramires Alsamir Tibana, Dahan da Cunha Nascimento, Denis César Leite Vieira, Joao Luiz Quagliotti Durigan, Guilherme Borges Pereira, James Wilfred Navalta, Rita de Cássia Marqueti, Jonato Prestes
The aim of this study was to investigate the effects of different resistance training (RT) volumes on MMP activity in skeletal muscle, visceral adipose tissue and circulation. 21 Wistar rats were randomly divided into 3 groups (n=7 per group): sedentary control (SC); RT with 4 ladder climbs (RT-4; 50, 75, 90 and 100% of their maximal carrying capacity) and RT with 8 ladder climbs (RT-8 with 2 sets for each load). The 8-week RT consisted of climbing a 1.1-m vertical ladder with weights secured to the animals' tails...
February 20, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28217306/sexual-function-of-patients-with-heart-failure-facts-and-numbers
#10
EDITORIAL
Tiny Jaarsma
Approximately 60% to 87% of patients with heart failure (HF) report sexual problems, and numbers as low as 31% of HF patients younger than 70 have normal sexual function. When compared with healthy elders, the amount of perceived sexual dysfunction might be similar (around 56%), but patients with HF are reporting more erectile dysfunction (ED) and also perceive that their HF symptoms (20%) or HF medication (10%) is the cause for their problems. The prevalence of ED is highly prevalent in men with cardiac disease and reported in up to 81% of cardiac patients, compared with 50% in the general older population...
February 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28214616/exploring-factors-influencing-low-back-pain-in-people-with-non-dysvascular-lower-limb-amputation-a-national-survey
#11
Hemakumar Devan, Paul Hendrick, Leigh Hale, Allan Carman, Michael P Dillon, Daniel Cury Ribeiro
BACKGROUND: Chronic low back pain (LBP) is a common musculoskeletal impairment in people with lower limb amputation. Given the multifactorial nature of LBP, exploring the factors influencing the presence and intensity of LBP is warranted. OBJECTIVE: To investigate which physical, personal, and amputee-specific factors predicted presence and intensity of low back pain (LBP) in persons with non-dysvascular transfemoral (TFA) and transtibial amputation (TTA). DESIGN: A retrospective cross-sectional survey SETTING: A national random sample of people with non-dysvascular TFA and TTA...
February 15, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28211966/formation-of-organometallic-intermediate-states-in-on-surface-ullmann-couplings
#12
Dennis Barton, Hong-Ying Gao, Philipp Alexander Held, Armido Studer, Harald Fuchs, Nikos L Doltsinis, Johannes Neugebauer
Possible origins of the formation of organometallic intermediates in on-surface Ullmann couplings have been investigated by surface tunneling microscopy (STM) and density functional theory (DFT) calculations. We consider the case of iodobenzenes on the coinage metals Au, Ag and Cu. We found experimental evidence for the formation of surface vacancies and the presence of metal adatoms in these coupling reactions, which are taken as a hint for the reactive extraction of surface atoms by adsorbates. In a second step, we demonstrate by ab initio molecular dynamics calculations for aryl-iodides on copper that metal atoms can be pulled out of the surface to form metalorganic species...
February 17, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28211509/climbing-favours-the-tripod-gait-over-alternative-faster-insect-gaits
#13
Pavan Ramdya, Robin Thandiackal, Raphael Cherney, Thibault Asselborn, Richard Benton, Auke Jan Ijspeert, Dario Floreano
To escape danger or catch prey, running vertebrates rely on dynamic gaits with minimal ground contact. By contrast, most insects use a tripod gait that maintains at least three legs on the ground at any given time. One prevailing hypothesis for this difference in fast locomotor strategies is that tripod locomotion allows insects to rapidly navigate three-dimensional terrain. To test this, we computationally discovered fast locomotor gaits for a model based on Drosophila melanogaster. Indeed, the tripod gait emerges to the exclusion of many other possible gaits when optimizing fast upward climbing with leg adhesion...
February 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28210043/repeated-3-minute-stair-climbing-descending-exercise-after-a-meal-over-2-weeks-increases-serum-1-5-anhydroglucitol-levels-in-people-with-type-2-diabetes
#14
Hiroto Honda, Makoto Igaki, Yuki Hatanaka, Motoaki Komatsu, Shin-Ichiro Tanaka, Tetsuo Miki, Yumika Matsuki, Tetsuo Takaishi, Tatsuya Hayashi
[Purpose] The purpose of this study was to examine the hypoglycemic effect of a postprandial exercise program using brief stair climbing-descending exercise in people with type 2 diabetes. [Subjects and Methods] Seven males with uncomplicated type 2 diabetes (age 68.0 ± 3.7 years) performed two sets of stair climbing-descending exercise 60 and 120 min after each meal for the first 2 weeks but not for the following 2 weeks. Each set of exercise comprised 3-min of continuous repetition of climbing briskly to the second floor followed by slow waking down to the first floor in their home...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28207665/healthy-physical-activity-levels-below-recommended-thresholds-two-years-after-lumbar-spine-surgery
#15
Carol A Mancuso, Roland Duculan, Federico P Girardi
STUDY DESIGN: Prospective analysis. OBJECTIVE: To quantify physical activity after lumbar surgery and identify spine-related variables associated with not meeting recommended activity thresholds. SUMMARY OF BACKGROUND DATA: National guidelines recommend ≥150 minutes/week of moderate-intensity activity; however, only 52% of the general population meets this threshold. For patients not participating in exercise/sports, ≥1400 kcal/week of energy expenditure, including from walking, is another threshold...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28193221/the-publication-gender-gap-in-us-academic-surgery
#16
Claudia Mueller, Robert Wright, Sabine Girod
BACKGROUND: Terms such as "glass ceiling" and "sticky floor" are still commonly used to describe women's role in academic surgery. Despite continued efforts to address disparities between men and women in the field, gender inequalities persist. METHODS: In this investigation we highlight gender differences in published surgical literature by both quantity and impact. Websites for departments of surgery of three academic centers were reviewed to assess the bibliometrics of publications by gender over a two-week period...
February 14, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28184186/invited-frontiers-commentary-tier-climbing-article-redefining-neuromarketing-as-an-integrated-science-of-influence
#17
COMMENT
Sven Braeutigam
No abstract text is available yet for this article.
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28181834/functioning-without-cartilage-older-people-with-radiographic-knee-osteoarthritis-who-self-report-no-functional-limitations-do-score-lower-on-a-performance-battery
#18
Daniël M van Leeuwen, Fabian van de Bunt, Cornelis J de Ruiter, Natasja M van Schoor, Dorly J H Deeg, Kaj S Emanuel
The majority of the older population shows signs of radiographic knee osteoarthritis. However, many remain without functional complaints for a long period. This study aims to find early functional changes associated with stages of radiographic knee osteoarthritis. A group of older people without self-reported complaints was divided in 2 groups, knee osteoarthritis (K&L=2-4, N=29) and control (K&L=0-1, N=31). Muscle function was assessed with voluntary and electrically stimulated isometric knee contractions, including a fatigue test...
February 9, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28181488/the-multiple-roles-of-small-angle-tilt-grain-boundaries-in-annihilating-radiation-damage-in-sic
#19
Hao Jiang, Xing Wang, Izabela Szlufarska
Lattice defects generated by radiation damage can diffuse to grain boundaries (GBs) and be annihilated at GBs. However, the precise role of GBs in annihilating the segregated defects remains unclear. Here, we employed multi-scale models to determine how interstitials are annihilated at small-angle tilt GBs (STGBs) in SiC. First of all, we found the pipe diffusion of interstitials in STGBs is slower than bulk diffusion. This is because the increased interatomic distance at dislocation cores raises the migration barrier of interstitial dumbbells...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28177709/effects-of-resistance-training-and-estrogen-replacement-on-adipose-tissue-inflammation-in-ovariectomized-rats
#20
Maria Fernanda Cury Rodrigues, Fabiano Candido Ferreira, Natália Santanielo Silva-Magosso, Marina Rodrigues Barbosa, Markus Vinicius Campos Souza, Mateus Moraes Domingos, Gustavo Henrique Rigo Canevazzi, Uliana Sbeguen Stotzer, Sabrina Messa Peviani, Fábio Santos de Lira, Heloísa Sobreiro Selistre de Araújo, Sérgio Eduardo de Andrade Perez
Estrogen deficiency is directly related to central obesity and low-grade inflammation. Hormonal replacement and exercise training are both able to decrease fat accumulation and inflammation in postmenopausal women. However, the efficiency of resistance training (RT) and estrogen replacement (ER) in minimizing adiposity and inflammation in the visceral adipose tissue (VAT) of ovariectomized (OVX) rats has not yet been elucidated. In this study, Sprague-Dawley rats were divided into the following six groups: the sham-operated sedentary (Sham-Sed), ovariectomized sedentary (OVX-Sed), sham-operated resistance training (Sham-RT), OVX-RT, OVX-Sed-ER and OVX-RT-ER groups...
January 25, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
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