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https://www.readbyqxmd.com/read/29768095/test-retest-reliability-of-kinetic-variables-measured-on-campus-board-in-sport-climbers
#1
Edgardo Alvares de Campos Abreu, Sílvia Ribeiro Santos Araújo, Gustavo Henrique da Cunha Peixoto Cançado, André Gustavo Pereira de Andrade, Mauro Heleno Chagas, Hans-Joachim Karl Menzel
Sport climbers frequently use campus board (CB) to improve their upper limb strength under similar conditions of high-difficulty sport climbing routes. The objective of this study was to assess the test-retest reliability of peak force and impulse measured using a CB instrumented with two load cells on starting holds. The same evaluator examined 22 climbers on two days with 48 h between the assessments. The participants performed five concentric lunges (CL) and five lunges with stretch-shortening cycle with 1 min intervals between repetitions and 10 min between exercises...
May 16, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29741971/impact-of-sleeping-altitude-on-symptoms-of-acute-mountain-sickness-on-mt-fuji
#2
Masahiro Horiuchi, Tadashi Uno, Junko Endo, Yoko Handa, Tatsuya Hasegawa
Horiuchi, Masahiro, Tadashi Uno, Junko Endo, Yoko Handa, and Tatsuya Hasegawa. Impact of sleeping altitude on symptoms of acute mountain sickness on Mt. Fuji. High Alt Med Biol. 00:000-000, 2018. AIMS: We sought to investigate the factors influencing acute mountain sickness (AMS) on Mt. Fuji in Japan, in particular, to assess the effects of sleeping altitude, by means of a questionnaire survey. This study involved 1932 participants who climbed Mt. Fuji, and obtained information regarding sex, age, and whether participants stayed at the mountain lodges...
May 9, 2018: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/29740242/ethnomedicinal-assessment-of-irula-tribes-of-walayar-valley-of-southern-western-ghats-india
#3
Arjunan Venkatachalapathi, Thekkan Sangeeth, Mohammad Ajmal Ali, Sulur Senniyappan Tamilselvi, Subramaniyam Paulsamy, Fahad M A Al-Hemaidc
The present study was aimed to explore the traditional knowledge of Irula tribal people who are practicing herbal medicine in Walayar valley, the Southern Western Ghats, India. A total number of 146 species of plants distributed in 122 genera belonging to 58 families were identified as commonly used ethnomedicinal plants by them. Interestingly, 26 new claims were also made in the present study. Through the data obtained from Irula tribal healers, the herbs were mostly used for medicine (40.4%) followed by trees (26...
May 2018: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/29722250/the-effects-of-8-weeks-of-two-different-training-methods-on-on-sight-lead-climbing-performance
#4
Marc Philippe, Ingo Filzwieser, Veronika Leichtfried, Cornelia Blank, Simon Haslinger, Johannes Fleckenstein, Wolfgang Schobersberger
BACKGROUND: Despite climbing being an increasingly popular sporting pursuit, there have been very few scientific evaluations of appropriate training methods for competitive climbers. The aim of this study was to investigate the effects of an 8-week climbing-specific muscular hypertrophy (MH) or muscular endurance (ME) resistance training program on the on-sight lead climbing performance in a similar setting to a world cup. METHODS: Twenty-three elite male and female climbers (age: 25...
May 2, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29699576/ethnobotanical-investigation-on-medicinal-plants-in-algoz-area-south-kordofan-sudan
#5
Tahani Osman Issa, Yahya Sulieman Mohamed, Sakina Yagi, Reem Hassan Ahmed, Telal Mohammed Najeeb, Abdelrafie Mohamed Makhawi, Tarig Osman Khider
BACKGROUND: The inhabitants of western Sudan use traditional medicine for the treatment of various ailments due to lack of medical doctors and unaffordable prices of pharmaceutical products. The present study is the first documentation of the traditional plant knowledge on medicinal uses of plants by healers in Algoz (South Kordofan), Sudan. METHOD: Ethnobotanical data were collected over a period from March to November 2015 using semi-structured interviews with 30 healers (24 male and 6 female) living in the investigated area...
April 27, 2018: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/29666627/convergent-evolution-and-the-diverse-ontogenetic-origins-of-tendrils-in-angiosperms
#6
REVIEW
Mariane S Sousa-Baena, Neelima R Sinha, José Hernandes-Lopes, Lúcia G Lohmann
Climbers are abundant in tropical forests, where they constitute a major functional plant type. The acquisition of the climbing habit in angiosperms constitutes a key innovation. Successful speciation in climbers is correlated with the development of specialized climbing strategies such as tendrils, i.e., filiform organs with the ability to twine around other structures through helical growth. Tendrils are derived from a variety of morphological structures, e.g., stems, leaves, and inflorescences, and are found in various plant families...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29601979/ethnobotanical-study-of-medicinal-plants-used-by-indigenous-people-in-and-around-dirre-sheikh-hussein-heritage-site-of-south-eastern-ethiopia
#7
Gadisa Demie, Mesele Negash, Tesfaye Awas
ETHNOPHARMACOLOGICAL RELEVANCE: The uses of medicinal plants have a long history and become important sources of the health cares in Ethiopia. These medicinal plants and their associated indigenous knowledge are being seriously depleted due to rapid change in environment and socioeconomic conditions of the country. However, as to the knowledge of the present researchers, limited studies have been done to identify these medicinal plants and to preserve the communities' indigenous knowledge on these plants...
March 27, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29591320/lumbrical-muscle-tear-clinical-presentation-imaging-findings-and-outcome
#8
Christoph Lutter, Andreas Schweizer, Volker Schöffl, Frank Römer, Thomas Bayer
The incidence of lumbrical muscle tear is increasing due to the popularity of climbing sport. We reviewed data from 60 consecutive patients with a positive lumbrical stress test, including clinical examination, ultrasound and clinical outcomes in all patients, and magnetic resonance imaging in 12 patients. Fifty-seven patients were climbers. Lumbrical muscle tears were graded according to the severity of clinical and imaging findings as Grade I-III injuries. Eighteen patients had Grade I injuries (microtrauma), 32 had Grade II injuries (muscle fibre disruption) and 10 had Grade III injuries (musculotendinous disruption)...
January 1, 2018: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29578838/reliability-and-validity-of-finger-strength-and-endurance-measurements-in-rock-climbing
#9
Michail Lubomirov Michailov, Jiří Baláš, Stoyan Kolev Tanev, Hristo Stoyanov Andonov, Jan Kodejška, Lee Brown
PURPOSE: An advanced system for the assessment of climbing-specific performance was developed and used to: (a) investigate the effect of arm fixation (AF) on construct validity evidence and reliability of climbing-specific finger-strength measurement; (b) assess reliability of finger-strength and endurance measurements; and (c) evaluate the relationship between finger flexor all-out test scores and climbing ability. METHODS: To determine the effect of AF, 22 male climbers performed 2 maximal strength and all-out tests with AF (shoulder and elbow flexed at 90°) and without AF (shoulder flexed at 180° and elbow fully extended)...
March 26, 2018: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/29550331/hydroxychavicol-a-key-ingredient-of-piper-betle-induces-bacterial-cell-death-by-dna-damage-and-inhibition-of-cell-division
#10
Deepti Singh, Shwetha Narayanamoorthy, Sunita Gamre, Ananda Guha Majumdar, Manish Goswami, Umesh Gami, Susan Cherian, Mahesh Subramanian
Antibiotic resistance is a global problem and there is an urgent need to augment the arsenal against pathogenic bacteria. The emergence of different drug resistant bacteria is threatening human lives to be pushed towards the pre-antibiotic era. Botanical sources remain a vital source of diverse organic molecules that possess antibacterial property as well as augment existing antibacterial molecules. Piper betle, a climber, is widely used in south and south-east Asia whose leaves and nuts are consumed regularly...
March 14, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29541333/effect-of-magnesium-carbonate-use-on-repeated-open-handed-and-pinch-grip-weight-assisted-pull-ups
#11
Nicholas T Bacon, Greg A Ryan, Jonathan E Wingo, Mark T Richardson, Tracey Pangallo, Phillip A Bishop
The purpose was to determine if pull-up performance was affected by the use of chalk (100% magnesium carbonate) during open-handed and pinch grip weight-assisted pull-ups (WAPU) in recreationally-trained rock climbers. Furthermore, the reliability of open-handed and pinch grip WAPU was also investigated. Recreationally-active volunteers (n = 9) completed six counterbalanced trials. Participants used chalk during four trials to determine the reliability (test-retest) of the open-handed and pinch grips. While two of the six trials were used to determine if open-handed and pinch grip WAPU performance was affected without using chalk...
2018: International Journal of Exercise Science
https://www.readbyqxmd.com/read/29532853/anti-inflammatory-effects-of-passiflora-foetida-l-in-lps-stimulated-raw264-7-macrophages
#12
Ji-Won Park, Ok-Kyoung Kwon, Hyung Won Ryu, Jin-Hyub Paik, Imam Paryanto, Prasetyawan Yuniato, Sangho Choi, Sei-Ryang Oh, Kyung-Seop Ahn
Passiflora foetida L. (Passifloraceae), a perennial climber in general, is used for treating many ailments in conventional medicine. In this study, the anti-inflammatory effect of methanolic extracts of P. foetida L. (PFME) and the involvement of nuclear factor-κB (NF-κB) signalling in the regulation of inflammation were investigated. PFME prevented the production of prostaglandin E2 (PGE2) and the expression of inducible cyclooxygenase-2 (COX-2) in lipopolysaccharide (LPS)-induced macrophage cells. Additionally, PFME reduced the release of pro-inflammatory cytokines...
June 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29520789/the-molecular-control-of-tendril-development-in-angiosperms
#13
Mariane S Sousa-Baena, Lúcia G Lohmann, José Hernandes-Lopes, Neelima R Sinha
The climbing habit has evolved multiple times during the evolutionary history of angiosperms. Plants evolved various strategies for climbing, such as twining stems, tendrils and hooks. Tendrils are threadlike organs with the ability to twine around other structures through helical growth; they may be derived from a variety of structures, such as branches, leaflets and inflorescences. The genetic capacity to grow as a tendrilled climber existed in some of the earliest land plants; however, the underlying molecular basis of tendril development has been studied in only a few taxa...
May 2018: New Phytologist
https://www.readbyqxmd.com/read/29520248/development-and-initial-validation-of-a-rock-climbing-craving-questionnaire-rccq
#14
Gareth Roderique-Davies, Robert M Heirene, Stephen Mellalieu, David A Shearer
Conceptual similarities have been identified between experiences of extreme sports athletes and those with drug and behavioral addictions. Evidence suggests rock climbers experience craving and other withdrawal-like states when abstinent from their sport. However, no studies have attempted to quantitatively measure the craving experienced by participants of any extreme sports. Such a measure could allow a greater understanding of the craving experienced by extreme sports athletes and a comparison of these across sports (e...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29503397/identification-and-quantification-of-alkaloid-in-khr98-and-fragmentation-pathways-in-hplc-q-tof-ms
#15
Jiakun Long, Yang Wang, Chen Xu, Tingting Liu, Gengli Duan, Yingjia Yu
Uncaria rhynchophylla is woody climber plant distributed mainly in China and Japan, the stems and hooks of which can be collected as "Gou-Teng" for the treatment of hyperpyrexia, epilepsy and preeclampsia. Fudan University first manufactured KHR98, the extract of Uncaria rhynchophylla. In order to study the active components and structural information of KHR98, we established a HPLC coupled with quadrupole time-of-flight (Q-TOF)-MS method for rapid analysis of alkaloids. In qualitative analysis, a total of eight compounds, including four known alkaloids and four unknown components, were detected and identified...
May 1, 2018: Chemical & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29466027/effect-of-cold-water-immersion-on-handgrip-performance-in-rock-climbers
#16
Jan Kodejška, Jiří Baláš, Nick Draper
PURPOSE: The aim of this study was to determine the effect of two cold water immersion (CWI) temperatures (15° C and 8° C) on repeat handgrip performance to failure. METHODS: Thirty-two participants completed three intermittent trials to failure on a climbing-specific handgrip dynamometer on three laboratory visits. For each visit a different recovery strategy was employed: passive recovery (PAS), cold water immersion at 8° C (CW8) or 15° C (CW15). The force time integral (FTI - time of contraction multiplied by the force of contraction) was determined to assess handgrip performance...
February 21, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29424262/cardiovascular-physiology-and-disease-in-youth-the-year-that-was-2017
#17
Thomas Rowland
The value of exercise studies in children often resides in defining differences, which might make growing youngsters unique from their mature adult counterparts. Many such physiological and behavioral developmental differences have been identified, emphasizing that children are not, physiologically speaking, simply small adults. The following 2 studies published in the past year were chosen for their importance in contributing to the insights into previously unexplored areas. The first study addresses the influence of exercise on physiological variability, an emerging field that offers to provide important insights into the nature of such responses...
February 1, 2018: Pediatric Exercise Science
https://www.readbyqxmd.com/read/29418114/anatomical-basis-of-differences-in-locomotor-behavior-in-martens-a-comparison-of-the-forelimb-musculature-between-two-sympatric-species-of-martes
#18
Christine Böhmer, Anne-Claire Fabre, Marc Herbin, Stéphane Peigné, Anthony Herrel
Arboreal locomotion imposes selective pressures that may affect the evolution of the locomotor apparatus. The limbs have to be mobile to reach across discontinuities, yet at the same time need to be forceful to move against gravity during climbing. However, as intermediaries between the arboreal and terrestrial environment, semi-arboreal mammals appear not extremely specialized and, thus, anatomical adaptations may be less evident than expected for arboreal climbers. Here, we present quantitative data on the muscle anatomy of the forelimbs (N = 14) of two closely related species of Mustelidae and relate the findings to their locomotor habits...
March 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29401200/actn3-genotype-in-professional-sport-climbers
#19
Michał Ginszt, Małgorzata Michalak-Wojnowska, Piotr Gawda, Magdalena Wojcierowska-Litwin, Iwona Korszeń-Pilecka, Małgorzata Kusztelak, Rafał Muda, Agata A Filip, Piotr Majcher
Ginszt, M, Michalak-Wojnowska, M, Gawda, P, Wojcierowska-Litwin, M, Korszeń-Pilecka, I, Kusztelak, M, Muda, R, Filip, AA, and Majcher, P. ACTN3 genotype in professional sport climbers. J Strength Cond Res 32(5): 1311-1315, 2018-The functional RR genotype of the alpha-actinin-3 (ACTN3) gene has been reported to be associated with elite sprint/power athlete status. Although large and rapidly increasing number of studies have investigated the associations between the ACTN3 genotypes and athletic performance in various sport disciplines, there is a lack of studies on the genetic predisposition in sport climbing, which was selected to be part of the next Summer Olympic Games in Tokyo 2020 with three subdisciplines ("lead climbing," "speed climbing," and "bouldering")...
May 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29369955/reliability-of-near-infrared-spectroscopy-for-measuring-intermittent-handgrip-contractions-in-sport-climbers
#20
Jiří Baláš, Jan Kodejška, Dominika Krupková, Johan Hannsmann, Simon Fryer
Baláš, J, Kodejška, J, Krupková, D, Hannsmann, J, and Fryer, S. Reliability of near-infrared spectroscopy for measuring intermittent handgrip contractions in sport climbers. J Strength Cond Res 32(2): 494-501, 2018-The use of near-infrared spectroscopy (NIRS) to investigate muscle oxygenation changes during physical tasks such as rock climbing has rapidly increased within recent years; yet, there is no known measure of reliability. The current study aimed to determine intersession reliability and minimal detectable change (MDC) of continuous wave NIRS parameters during intermittent handgrip contractions in rock climbers...
February 2018: Journal of Strength and Conditioning Research
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