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Revisiting the stretch-induced force deficit:A systematic review with multilevel meta-analysis of acute effects

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Journal of Sport and Health Science 2024年第6期13卷 805-819页

作者： Konstantin Warneke lars Hubertus Lohmann Institute of Human Movement Science Sport and HealthUniversity of GrazGraz 8010Austria Institute of Sport Science Alpen-Adria University of KlagenfurtKlagenfurt am Worthersee 9020Austria Institute of Human Movement and Exercise Physiology University of JenaJena 07749Germany

Background:When recommending avoidance of static stretching prior to athletic performance,authors and practitioners commonly refer to available systematic ***,effect sizes(ES)in previous reviews were extracted in major part from studies lacking control conditions and/or prepost testing ***,currently available reviews conducted calculations without accounting for multiple study outcomes,with ES:0.03 to 0.10,which would commonly be classified as ***:Since new meta-analytical software and controlled research articles have appeared since 2013,we revisited the available literatures and performed a multilevel meta-analysis using robust variance estimation of controlled prepost trials to provide updated ***,previous research described reduced electromyography activity—also attributable to fatiguing training routines—as being responsible for decreased subsequent *** second part of this study opposed stretching and alternative interventions sufficient to induce general fatigue to examine whether static stretching induces higher performance losses compared to other exercise ***:Including 83 studies with more than 400 ES from 2012 participants,our results indicate a significant,small ES for a static stretch-induced maximal strength loss(ES=0.21,p=0.003),with high magnitude ES(ES=0.84,p=0.004)for stretching durations≥60 s per bout when compared to passive *** opposed to active controls,the maximal strength loss ranges between ES:0.17 to0.28,p<0.001 and 0.040 with mostly no to small ***,stretching did not negatively influence athletic performance in general(when compared to both passive and active controls);in fact,a positive effect on subsequent jumping performance(ES=0.15,p=0.006)was found in ***:Regarding strength testing of isolated muscles(e.g.,leg extensions or calf raises),our results confirm previous ***,since no(or even positive)e

关键词： Static stretching Maximal strength Athletic performance Performance testing

G protein-mediated signal transduction: a molecular choreography of G protein activation after GTP binding

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Signal Transduction and Targeted Therapy 2024年第8期9卷 3155-3157页

作者： Evi Kostenis lars Jurgenliemke Judith Alenfelder Department of Molecular- Cellular-and PharmacobiologyInstitute of Pharmaceutical BiologyUniversity of BonnBonnGermany Graduate Training Group RTG2873 University of BonnBonnGermany

A recent report from the Skiniotis group,'published in Nature,provides fascinating insight into the molecular choreography underlying a quintessential cellular signaling mechanism:G protein-mediated signal *** time-resolved cryo-EM,the authors pieced together many sequential structural snapshots to visualize how a trimeric aβy G protein-after being convinced by its activated G protein-coupled receptor(GPCR)to release GDP-picks up GTP,to set in motion finely tuned conformational transitions that lead to the conversion into the active state and,finally,subunit dissociation as well as disengagement from the receptor.

关键词： Skin activation finally

Small molecular decoys in Alzheimer's disease

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Neural Regeneration Research 2024年第8期19卷 1658-1659页

作者： Sho Oasa Valentina L.Kouznetsova Igor F.Tsigelny lars Terenius Department of Clinical Neuroscience Center for Molecular MedicineKarolinska InstitutetStockholmSweden San Diego Supercomputer Center University of California San DiegoLa JollaCAUSA Department of Neurosciences University of California San DiegoLa JollaCAUSA Department of Clinical Neuroscience Karolinska University HospitalKarolinska InstitutetStockholmSweden

Recent progress in the treatment of Alzheimer’s disease(AD)using antibodies against amyloid sustains amyloid generation as a key process in *** formation starts with two amyloidbeta(Aβ)molecules interacting(dimer formation)followed by an accelerating build-up of socalled protofibrils,which turn into fibrils,which accumulate in the characteristic plaques.

关键词： Alzheimer decoy Aβ

Foam rolling and stretching do not provide superior acute flexibility and stiffness improvements compared to any other warm-up intervention: A systematic review with meta-analysis

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Journal of Sport and Health Science 2024年第4期13卷 509-520页

作者： Konstantin Warneke Gerit Plöschberger lars H.Lohmann Eric Lichtenstein Daniel Jochum Stanislav D.Siegel Astrid Zech David G.Behm Institute of Sport Science University of KlagenfurtKlagenfurt am Wörthersee 9020Austria Department of Human Motion Science and Exercise Physiology Friedrich Schiller UniversityJena 07749Germany Department Sport Exercise and HealthUniversity of BaselBasel 4052Switzerland Department of Health Sciences and Technology ETH ZurichZurich 8092Switzerland School of Human Kinetics and Recreation Memorial University of NewfoundlandSt.JohnsNL A1C 5S7Canada

Background:Acute improvement in range of motion(ROM)is a widely reported effect of stretching and foam rolling,which is commonly explained by changes in pain threshold and/or musculotendinous ***,these effects were also reported in response to various other active and passive interventions that induce responses such as enhanced muscle ***,we hypothesized that acute ROM enhancements could be induced by a wide variety of interventions other than stretching or foam rolling that promote an increase in muscle ***:After a systematic search in PubMed,Web of Science,and SPORTDiscus databases,38 studies comparing the effects of stretching and foam rolling with several other interventions on ROM and passive properties were *** studies had 1134 participants in total,and the data analysis resulted in 140 effect sizes(ESs).ES calculations were performed using robust variance estimation model with ***:Study quality of the included studies was classified as fair(PEDro score=4.58)with low to moderate certainty of *** showed no significant differences in ROM(ES=0.01,p=0.88),stiffness(ES=0.09,p=0.67),or passive peak torque(ES=-0.30,p=0.14)between stretching or foam rolling and the other identified *** plots revealed no publication ***:Based on current literature,our results challenge the established view on stretching and foam rolling as a recommended component of warm-up *** lack of significant difference between interventions suggests there is no need to emphasize stretching or foam rolling to induce acute ROM,passive peak torque increases,or stiffness reductions.

关键词： Range of motion Passive properties Muscletendon unit Muscle tissue

Otolaryngology residency program factors associated with female resident representation

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World Journal of Otorhinolaryngology-Head and Neck Surgery 2024年第1期10卷 7-11页

作者： Julia E.Canick James C.Campbell Charles R.Woodard lars J.Grimm Alissa M.Collins Duke University School of Medicine DurhamNorth CarolinaUSA Department of Head and Neck Surgery&Communication Sciences Duke University School of MedicineDurhamNorth CarolinaUSA Department of Radiology Duke University School of MedicineDurhamNorth CarolinaUSA

Objective:Female representation in the field of otolaryngology is *** is the first point at which medical school graduates specialize in a chosen field and thus represents an opportunity to recruit and train more female *** study sought to identify program factors associated with greater female representation among resident ***:Departmental websites of all 124 otolaryngology residency programs in the United States and Puerto Rico were examined for a list of *** programs with a resident roster available,the genders of residents,faculty,program directors,and chairpersons were *** and city population for each program was also recorded,as was female resident *** were compared using Pearson Chi‐squared univariate ***:1,632 residents and 2,605 faculty were included in the analysis of 109 *** median female resident representation was 40%.Programs with larger faculty sizes,more female faculty,and urban location were associated with an above‐median female resident *** with a larger residency cohort approached significance regarding above‐median female resident *** female faculty representation,program director gender,chairperson gender,and US region were not associated with variation in female resident ***:Greater female otolaryngology residency representation was associated with programs having an urban location and greater numbers of female and total *** was also likely that a larger resident cohort size may affect female resident *** proportions of female faculty,program director,and chairperson gender,as well as the US region,were not associated with variation in female resident gender representation.

关键词： gender program director recruitment residency training

BEIJING ON A PICTURE POSTCARD

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Women of China 2024年第9期 52-55页

作者： Lu Jiajun Dou Yi lars Ulrik 不详

Beijing Postcards,an unusual store in Yangmeizhu Byway,Beijing's Dashilar area,is a gallery of the capital's history.A visit to the bustling Qianmen Street in downtown Beijing might lead you to a quaint small shop in Yangmeizhu Byway in the Dashilar area,a famous ancient commercial zone that is a prime tourist attraction *** other modern cafes,restaurants,and cultural shops in the street,the shop,Beijing Postcards,started by the Danish lars Ulrik Thom,sells cultural and creative products with historical *** a gallery on Beijing's history,it has become a communication space connecting residents and tourists with the memory of old Beijing.

关键词： connecting POST restaurant

Chronic fatigue is associated with increased disease-related worries and concerns in inflammatory bowel disease

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World Journal of Gastroenterology 2012年第5期18卷 445-452页

作者： lars-Petter Jelsness-Jφrgensen Tomm Bernklev Magne Henriksen Roald Torp bjφrn Moum Department of Gastroenterology Oslo University Hospital Aker and stfold Hospital Trust1603 FredrikstadNorway Department of Research Telemark Hospital Trust3710 SkienNorway Department of Gastroenterology stfold Hospital Trust1603 FredrikstadNorway Department of Gastroenterology Innlandet Hospital Trust2380 BrummundalNorway Department of Gastroenterology Oslo University Hospital Institute of Clinical Medicine University of Oslo0586 OsloNorway

AIM:To investigate the impact of chronic fatigue on disease-related worries in inflammatory bowel disease (IBD) and the potential multicolinearity between subjective ***:Patients in remission or with mild-tomoderate disease activity completed the fatigue questionnaire (FQ),the rating form of IBD patient concerns (RFIPC),the Short-Form 36 (SF-36),and IBD questionnaire (N-IBDQ).In addition,clinical and epidemiological data were ***:In total,140 patients were included;of which 92 were diagnosed with ulcerative colitis and 48 with Crohn's *** mean age of patients with chronic fatigue was 44.2 years (SD=15.8) and for non-fatigued patients was 44.7 years (SD=16.0).Chronic fatigued patients had clinically significantly increased levels of disease-related worries,as measured by Cohen's d effect *** about having an ostomy bag,loss of bowel control,and energy levels were most prominent in both chronic fatigued and non-chronic fatigued IBD *** inflation factor (VIF) and tolerance indicated that there were no problematic multicolinearity among the FQ,RFIPC,SF-36 and N-IBDQ responses (VIF 2).CONCLUSION:Chronic fatigue is associated with increased levels of disease-related worries and concerns in *** levels of worries were also associated with impaired health-related quality of life.

关键词： Fatigue Worries Health-related quality oflife Patient reported outcome Inflammatory boweldisease

Confirmation of a Sub-Saturn-size Transiting Exoplanet Orbiting a G Dwarf:TOI-1194 b and a Very Low Mass Companion Star: TOI-1251 B from TESS

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Research in Astronomy and Astrophysics 2024年第3期24卷 129-143页

作者： Jia-Qi Wang Xiao-Jun Jiang Jie Zheng Hanna Kellermann Arno Riffeser Liang Wang Karen A.Collins Allyson Bieryla lars A.Buchhave Steve B.Howell Elise Furlan Eric Girardin Joao Gregorio Eric Jensen Felipe Murgas Mesut Yilmaz Sam Quinn Xing Gao Ruo-Yu Zhou Frank Grupp Hui-Juan Wang CAS Key Laboratory of Optical Astronomy National Astronomical ObservatoriesChinese Academy Of SciencesBeijing 10010China University of Chinese Academy of Sciences Beijing 100049China University Observatory Munich Scheinertrsse 1.D-81679 MunichGemany Max Planck Institute for Extraterrestrial Physics Giessenbachstr.1D-85748 GarchingGermany National Astronomical Observatories/Nanjing Institute of Astronomical Optics&Technology Chinese Academy of SciencesNanjing210042China CAS Key Laboratory of Astronomical Optics&Technology Nanjing Institute of Astronomical Optics&TechnologyNanjing 210042China Center for Astrophysics Harvard&Smithsonian60 Garden Street.CambridgeMA 02138USA National Space Institute Technical University of DenmarkElektrovejDK-2800 KgsLyngbyDenmark NASA Ames Research Center Moffett FieldCA 94035USA NASA Exoplanet Science Institute Caltech/IPACMail Code 100-221200 E.California Blvd.PasadenaCA91125USA Grand Pra Observatory Switzerland Department of Physics Washington UniversitySt.LouisMO 63130.USA Department of Physics and Astronomy Swarthmore CollegeSwarthmorePA 19081USA Instituto de Astrofísica de Canarias(IAC) E-38205 La Laguna.TenerifeSpain Departamento de Astrofísica Universidad de La LagunaSpain Dept.of Astronomy and Space Sciences Ankara UniversityTandogan 06100AnkaraTurkey Xinjiang Astronomical Observatory Chinese Academy of SciencesUrumqi 830011China Urumqi No.1 Senior High School Urumqi 830002China Lijiang Gemini Observatory Lijiang 674199China

We report the confirmation of a sub-Saturn-size exoplanet,TOI-1194 b,with a mass of about 0.456+0.055-0.051M_(J),and a very low mass companion star with a mass of about 96.5±1.5 MJ,TOI-1251 *** candidates provided by the Transiting Exoplanet Survey Satellite(TESS)are suitable for further follow-up observations by ground-based telescopes with small and medium *** analysis is performed based on data from several telescopes worldwide,including telescopes in the Sino-German multiband photometric campaign,which aimed at confirming TESS Objects of Interest(TOIs)using ground-based small-aperture and medium-aperture telescopes,especially for long-period ***-1194 b is confirmed based on the consistent periodic transit depths from the multiband photometric *** measure an orbital period of 2.310644±0.000001 days,the radius is 0.767+0.045-0.041RJ and the amplitude of the RV curve is 69.4_(-7.3)^(+7.9)m s^(-1).TOI-1251 B is confirmed based on the multiband photometric and high-resolution spectroscopic data,whose orbital period is 5.963054+0.000002-0.000001days,radius is 0.947+0.035-0.033 R_(J) and amplitude of the RV curve is 9849_(-40)^(+42)ms^(-1).

关键词： planets and satellites fundamental parameters-planets and satellites gaseous planets-stars fundamental parameters-stars low-mass-methods data analysis-techniques photometric-techniques spectroscopic

听驯鹿诉说Coarvematta新文化与教育中心

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室内设计与装修 2024年第10期 56-61页

作者：无 lars Petter Pettersen(摄影) SnФhetta(摄影) 麦子(译) Snhetta 不详

Coarvematta一词源于萨米语中的“角”和“根”,意指驯鹿鹿角最内侧和最坚固的部分。它象征着与众不同的品质和力量,也代表着团结元素,正如oarvem'tta文化与教育中心将成为共享该建筑的机构——萨米国家剧院Beaivvas、萨米高中及驯鹿牧... 详细信息

Coarvematta一词源于萨米语中的“角”和“根”,意指驯鹿鹿角最内侧和最坚固的部分。它象征着与众不同的品质和力量,也代表着团结元素,正如oarvem'tta文化与教育中心将成为共享该建筑的机构——萨米国家剧院Beaivvas、萨米高中及驯鹿牧民学校间强大的凝聚力。

关键词：驯鹿萨米文化与教育凝聚力 Co