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https://www.readbyqxmd.com/read/28397765/estimation-of-antenna-pose-in-the-earth-frame-using-camera-and-imu-data-from-mobile-phones
#1
Zhen Wang, Bingwen Jin, Weidong Geng
The poses of base station antennas play an important role in cellular network optimization. Existing methods of pose estimation are based on physical measurements performed either by tower climbers or using additional sensors attached to antennas. In this paper, we present a novel non-contact method of antenna pose measurement based on multi-view images of the antenna and inertial measurement unit (IMU) data captured by a mobile phone. Given a known 3D model of the antenna, we first estimate the antenna pose relative to the phone camera from the multi-view images and then employ the corresponding IMU data to transform the pose from the camera coordinate frame into the Earth coordinate frame...
April 8, 2017: Sensors
https://www.readbyqxmd.com/read/28395094/mountain-medical-kits-epidemiology-based-recommendations-and-analysis-of-medical-supplies-carried-by-mountain-climbers-in-colorado
#2
William E Brandenburg, Brian W Locke
Objective: : To provide medical kit recommendations for short mountain wilderness recreation trips (hiking, trekking, backpacking, mountaineering etc.) based on the epidemiology of injury and illness sustained and best treatment guidelines. Additionally, to compare these recommendations to the medical kit contents of mountain climbers in Colorado. Methods: : A primary literature review concerning the epidemiology of injury and illness in mountain wilderness settings was performed...
March 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28387575/nutritional-considerations-for-bouldering
#3
Edward J Smith, Ryan Storey, Mayur K Ranchordas
Bouldering competitions are held up to International level and governed by the International Federation of Sport Climbing. Bouldering has been selected to feature at the 2020 Olympic Games in Tokyo, however, physiological qualities and nutritional requirements to optimise performance remain inadequately defined due to large gaps in the literature. The primary goals of training include optimising the capacity of the anaerobic energy systems and developing sport-specific strength, with emphasis on the isometric function of the forearm flexors responsible for grip...
April 7, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28328714/somatic-profile-of-the-elite-boulderers-in-poland
#4
Mariusz Ozimek, Marcin Krawczyk, Emilian Zadarko, Zbigniew Barabasz, Tadeusz Ambroży, Arkadiusz Stanula, Dawid K Mucha, Adam Jurczak, Dariusz Mucha
Ozimek, M, Krawczyk, M, Zadarko, E, Barabasz, Z, Ambroży, T, Stanula, A, Mucha, DK, Jurczak, A, and Mucha, D. Somatic profile of the elite boulderers in Poland. J Strength Cond Res 31(4): 963-970, 2017-The study was designed to determine the values of selected somatic characteristics, body proportions, and the somatotype of elite bouldering climbers in Poland and to establish the relationships between the values of the somatic characteristics and climber's performance in bouldering. The study was conducted in a group of elite sport climbers (n = 10) who were ranked by the Polish Mountaineering Association in 2011, 2012, and 2013...
April 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28301444/hemodynamic-and-cardiorespiratory-predictors-of-sport-rock-climbing-performance
#5
Simon Fryer, David Giles, Inmaculada Garrido Palomino, Alejandro de la O Puerta, Vanesa España Romero
Rock climbing performance has been suggested to involve a notable contribution from the aerobic metabolism. Previously it has been shown that forearm oxygenation kinetics can be used to distinguish ability groups and predict red-point sport climbing performance. Currently it is not known if forearm oxygenation kinetics, or a sport specific assessment of cardiorespiratory fitness best predicts sport rock climbing performance. The aim of the study was to determine whether forearm oxidative capacity index, maximal de-oxygenation (Δ score) during a treadwall V[Combining Dot Above]O[SUBSCRIPT TWO]peak test, treadwall V[Combining Dot Above]O[SUBSCRIPT TWO]peak, or running V[Combining Dot Above]O[SUBSCRIPT TWO]max best predicts self-reported sport climbing performance...
March 13, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28207806/trace-element-accumulation-in-lotic-dragonfly-nymphs-genus-matters
#6
Dean E Fletcher, Angela H Lindell, Garrett K Stillings, Susan A Blas, J Vaun McArthur
Constituents of coal combustion waste (CCW) expose aquatic organisms to complex mixtures of potentially toxic metals and metalloids. Multi-element trace element analyses were used to distinguish patterns of accumulation among 8 genera of dragonfly nymphs collected from two sites on a CCW contaminated coastal plain stream. Dragonfly nymphs are exceptional for comparing trace element accumulation in syntopic macroinvertebrates that are all predators within the same order (Odonata) and suborder (Anisoptera), but differ vastly in habitat use and body form...
2017: PloS One
https://www.readbyqxmd.com/read/28182712/increased-cerebellar-gray-matter-volume-in-head-chefs
#7
Antonio Cerasa, Alessia Sarica, Iolanda Martino, Carmelo Fabbricatore, Francesco Tomaiuolo, Federico Rocca, Manuela Caracciolo, Aldo Quattrone
OBJECTIVE: Chefs exert expert motor and cognitive performances on a daily basis. Neuroimaging has clearly shown that that long-term skill learning (i.e., athletes, musicians, chess player or sommeliers) induces plastic changes in the brain thus enabling tasks to be performed faster and more accurately. How a chef's expertise is embodied in a specific neural network has never been investigated. METHODS: Eleven Italian head chefs with long-term brigade management expertise and 11 demographically-/ psychologically- matched non-experts underwent morphological evaluations...
2017: PloS One
https://www.readbyqxmd.com/read/28174623/expression-patterns-of-passiflora-edulis-apetala1-fruitfull-homologues-shed-light-onto-tendril-and-corona-identities
#8
Livia C T Scorza, Jose Hernandes-Lopes, Gladys F A Melo-de-Pinna, Marcelo C Dornelas
BACKGROUND: Passiflora (passionflowers) makes an excellent model for studying plant evolutionary development. They are mostly perennial climbers that display axillary tendrils, which are believed to be modifications of the inflorescence. Passionflowers are also recognized by their unique flower features, such as the extra whorls of floral organs composed of corona filaments and membranes enclosing the nectary. Although some work on Passiflora organ ontogeny has been done, the developmental identity of both Passiflora tendrils and the corona is still controversial...
2017: EvoDevo
https://www.readbyqxmd.com/read/28149428/analysis-of-tests-evaluating-sport-climbers-strength-and-isometric-endurance
#9
Mariusz Ozimek, Robert Staszkiewicz, Robert Rokowski, Arkadiusz Stanula
The present study was designed to determine which types of specific tests provide an effective evaluation of strength and endurance in highly trained competitive sport climbers. The research process consisted of three basic components: the measurement of selected somatic characteristics of the climbers, the assessment of their physical conditioning, and a search for correlations between the anthropometric and "conditioning" variables on the one hand, and climber's performance on the other. The sample of subjects consisted of 14 experienced volunteer climbers capable of handling 7a- 8a+/b on-sight rock climbing grades...
December 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28126035/an-unusual-presentation-of-a-stroke-in-a-developing-country-a-case-report
#10
N D B Ehelepola, T I D M Ranasinghe, B Prashanthi, H M P A G S Bandara
BACKGROUND: Patients often, but not always, present with features that allow easy differentiation between traumatic brain injury and a stroke. Early diagnosis and appropriate treatment are crucial for a good outcome in both. Millions of people worldwide climb coconut and other trees without any protective gear. We present a case of a coconut tree climber found unconscious after a fall, initially misdiagnosed as a traumatic brain injury but later proven to be a hemorrhagic stroke. We discuss how to prevent such incidents and why that deserves more attention...
January 26, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28112828/ecological-associations-of-autopodial-osteology-in-neotropical-geckos
#11
Priscila S Rothier, Renata Brandt, Tiana Kohlsdorf
Coevolution of form and function inspires investigation of associations between morphological variation and the exploitation of specific ecological settings. Such relationships, based mostly on traits of external morphology, have been extensively described for vertebrates, and especially so for squamates. External features are, however, composed by both soft tissues and bones, and these likely play different biomechanical roles during locomotion, such as in the autopodia. Therefore, ecological trends identified on the basis of external morphological measurements may not be directly correlated with equivalent variation in osteology...
January 23, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28104882/blind-climber
#12
Sacha Vignieri
No abstract text is available yet for this article.
January 20, 2017: Science
https://www.readbyqxmd.com/read/28101826/sagittal-band-boutonniere-and-pulley-injuries-in-the-athlete
#13
REVIEW
Louis Christopher Grandizio, Joel Christian Klena
PURPOSE OF REVIEW: While hand injuries occur frequently in the athletic population, sagittal band ruptures, boutonniere deformities, and pulley ruptures are infrequently encountered. These injuries represent diagnostic challenges and can result in significant impairment. Early recognition with appropriate treatment is necessary to maximize recovery and minimize return to athletic competition. This review will focus on the underlying mechanism, pathophysiology of injury, diagnosis, and treatment of each of these injuries...
March 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28063720/cardiac-arrest-at-high-elevation-with-a-favorable-outcome
#14
Youichi Yanagawa, Kazuhiko Omori, Ikuto Takeuchi, Kei Jitsuiki, Toshihiko Yoshizawa, Kouhei Ishikawa, Yumi Kando, Mutsumu Fukata, Hiromichi Ohsaka
A 36-year-old man started to climb Mount Fuji (3776m above sea level: ASL), from the Gotemba new fifth station (2400m ASL). He had no significant medical history, and this was his first attempt to climb such a high mountain. He began feeling chest discomfort but continued to climb. When he reached the ninth station of the mountain (3600mASL), he lost consciousness. One individual immediately provided basic life support using an automated external defibrillator (AED) that was located in the station. After electroshocks, he regained consciousness...
April 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27998174/response-to-nature-fix-addiction-to-outdoor-activities-r-c-buckley-s-commentary-on-heirene-r-m-shearer-d-roderique-davies-g-mellalieu-s-d-2016-addiction-in-extreme-sports-an-exploration-of-withdrawal-states-in-rock-climbers-journal-of-behavioral-addictions
#15
COMMENT
Robert M Heirene, David Shearer, Stephen D Mellalieu, Gareth Roderique-Davies
Buckley's commentary on our study of rock climber's withdrawal experiences raises a number of important questions surrounding the concept of extreme or adventure sports addiction. Drawing on the few available investigations of this topic, we respond to Buckley's questions here, though emphasize the need for further studies of extreme sports addiction in order to provide more empirically informed answers.
December 2016: Journal of Behavioral Addictions
https://www.readbyqxmd.com/read/27998172/commentary-on-addiction-in-extreme-sports-an-exploration-of-withdrawal-states-in-rock-climbers
#16
COMMENT
Ralf C Buckley
Individuals can display characteristics of behavioral addictions to nature and the outdoors as well as adventure activities. Research on mental health effects of nature exposure is relevant to research on nature and adventure addictions.
December 2016: Journal of Behavioral Addictions
https://www.readbyqxmd.com/read/27991725/a-blind-climber-the-first-evidence-of-ultrasonic-echolocation-in-arboreal-mammals
#17
Aleksandra A Panyutina, Alexander N Kuznetsov, Ilya A Volodin, Alexei V Abramov, Irina B Soldatova
The means of orientation is studied in the Vietnamese pygmy dormouse Typhlomys chapensis, a poorly known enigmatic semi-fossorial semi-arboreal rodent. Data on eye structure are presented, which prove that Typhlomys (translated as "the blind mouse") is incapable of object vision: the retina is folded and retains no more than 2500 ganglion cells in the focal plane, and the optic nerve is subject to gliosis. Hence, Typhlomys has no other means for rapid long-range orientation among tree branches other than echolocation...
March 2017: Integrative Zoology
https://www.readbyqxmd.com/read/27929023/anthropology-lucy-was-a-climber
#18
(no author information available yet)
No abstract text is available yet for this article.
December 7, 2016: Nature
https://www.readbyqxmd.com/read/27900162/first-overview-on-chronic-injuries-in-sport-climbing-proposal-for-a-change-in-reporting-of-injuries-in-climbing
#19
Gudmund Grønhaug, Marius Norberg
BACKGROUND: Climbing as a youth sport is growing fast. This is mostly due to indoor walls for training attracting youngsters. With hard training from young ages it is vital to be able to pinpoint training regimes to avoid injuries in athletes. Furthermore, it is vital to know what injuries are most common in the sport to be able to prevent them. Such an overview on injuries does not exist to date. The aim of this overview is to summon the injuries described in published research and to extract the most common...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27888361/morphological-and-structural-characterization-of-the-attachment-system-in-aerial-roots-of-syngonium-podophyllum
#20
Xiaojun Yang, Wenli Deng
The attachment of aerial roots of Syngonium podophyllum involves a multi-step process adjusted by multi-scale structures. Helical-crack root hairs are first found in the attachment system, representing specialized structures for surface anchorage. The morphological variability of attachment organs reflects diverse climbing strategies. One such anchoring mode in clinging-climbers involves the time-dependent interaction between roots and the support: By naturally occurring adhesive roots with root hairs, the plant can ascend on supports of any shape and size...
November 25, 2016: Planta
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