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Journal articles on the topic 'Vj'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 August 2024

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1

Çöl, Başak Gökçe, Meryem Akhan, Burcu Çakmak Sancar, Melikenur Türkol, Seydi Yıkmış, and Canan Hecer. "Effect of Thermosonication on Amino Acids, Phenolic Compounds, Sensory Properties and Microbial Quality in Freshly Squeezed Verjuice." Foods 12, no. 11 (May 27, 2023): 2167. http://dx.doi.org/10.3390/foods12112167.

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Thermosonication is a process that can be used as an alternative to thermal pasteurization by combining mild temperature and ultrasound treatments. This study evaluated the effects of verjuice on the thermosonication process and its bioactive values modeled with the RSM (response surface method). The bioactive components of verjuice were found to increase with high predictive values. Additionally, the presence and amounts of 20 free amino acids in C-VJ (untreated verjuice), P-VJ (thermally pasteurized verjuice) and TS-VJ (thermosonicated verjuice) samples were investigated. Significant (p <

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Pagaduan, Jeffrey, and Haris Pojskic. "A Meta-Analysis on the Effect of Complex Training on Vertical Jump Performance." Journal of Human Kinetics 71, no. 1 (January 31, 2020): 255–65. http://dx.doi.org/10.2478/hukin-2019-0087.

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AbstractComplex training (CT) is a strength training intervention performed by completing all the sets of a resistance exercise followed by a series of high-velocity/plyometric exercise/s. The purpose of this novel study was to conduct a meta-analysis on the effect of CT on vertical jump (VJ) performance. Five electronic databases were searched using terms related to CT and the VJ. Studies needed to include randomized trials comparing CT with traditional resistance training (RT)/plyometric training (PLYO)/control (CON) lasting ≥ 4 weeks and the VJ as a dependent variable. Seven studies qualifi

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Peracchia, Camillo. "Gap Junction Channel Regulation: A Tale of Two Gates—Voltage Sensitivity of the Chemical Gate and Chemical Sensitivity of the Fast Voltage Gate." International Journal of Molecular Sciences 25, no. 2 (January 12, 2024): 982. http://dx.doi.org/10.3390/ijms25020982.

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Gap junction channels are regulated by gates sensitive to cytosolic acidification and trans-junctional voltage (Vj). We propose that the chemical gate is a calmodulin (CaM) lobe. The fast-Vj gate is made primarily by the connexin’s NH2-terminus domain (NT). The chemical gate closes the channel slowly and completely, while the fast-Vj gate closes the channel rapidly but incompletely. The chemical gate closes with increased cytosolic calcium concentration [Ca2+]i and with Vj gradients at Vj’s negative side. In contrast, the fast-Vj gate closes at the positive or negative side of Vj depending on

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LU, CHENGBIAO, DAO-QI ZHANG, and DOUGLAS G. McMAHON. "Electrical coupling of retinal horizontal cells mediated by distinct voltage-independent junctions." Visual Neuroscience 16, no. 5 (September 1999): 811–18. http://dx.doi.org/10.1017/s0952523899165015.

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Electrical coupling between H2 horizontal cell pairs isolated from the hybrid bass retina was studied using dual whole-cell, voltage-clamp technique. Voltage-dependent inactivation of junctional currents in response to steps in transjunctional voltage (Vj) over a range of ±100 mV was characterized for 89 cell pairs. Approximately one-quarter of the pairs exhibited strongly voltage-dependent junctions (>50% reduction in junctional current at ±100 mV), another quarter of the pairs exhibited voltage-independent junctional current (<5% reduction at ±100 mV), and the remainder of the pairs ex

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Chung, Hyuk-Jin, Hwanhui Lee, Guknam Na, Heechul Jung, Dong-Gun Kim, Sang-Ick Shin, Seong-Eun Jung, et al. "Metabolic and Lipidomic Profiling of Vegetable Juices Fermented with Various Probiotics." Biomolecules 10, no. 5 (May 6, 2020): 725. http://dx.doi.org/10.3390/biom10050725.

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Fermented vegetable juices have gained attention due to their various beneficial effects on human health. In this study, we employed gas chromatography–mass spectrometry, direct infusion-mass spectrometry, and liquid chromatography–mass spectrometry to identify useful metabolites, lipids, and carotenoids in vegetable juice (VJ) fermented with Lactobacillus plantarum HY7712, Lactobacillus plantarum HY7715, Lactobacillus helveticus HY7801, and Bifidobacterium animalis ssp. lactis HY8002. A total of 41 metabolites, 24 lipids, and 4 carotenoids were detected in the fermented and non-fermented VJ (

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Davis, Kyle, Stephen Rossi, Jody Langdon, and Jim McMillan. "The Relationship Between Jumping and Sprinting Performance in Collegiate Ultimate Athletes." Journal of Coaching Education 5, no. 2 (August 2012): 24–37. http://dx.doi.org/10.1123/jce.5.2.24.

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The purpose of the present investigation was to examine the relationship between jumping and sprinting among members of a regionally competitive club-level ultimate team. Twenty-two subjects (mean ± SD; 21.1±2.26 year) volunteered to participate in two testing sessions the week before the team’s regional tournament. Testing sessions included body-composition measurement, a 40-yard sprint (with a 10-yard split time recorded), a standing long jump (LJ) and a vertical jump (VJ). Pearson product-moment correlations revealed a significant negative correlation between LJ and 40-yard sprint time. Sig

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Zong, Hongliang, Narsimha Reddy Penthala, Siddhartha Sen, Sarah Brennan, Vijayakumar Sonar, Peter A. Crooks, and Monica L. Guzman. "The Acrylonitrile Analog, VJ-289 Ablates Acute Myelogenous Leukemia Blast, Progenitor and Stem Cell Populations by Inducing Tubulin Acetylation and Caspase Activation." Blood 118, no. 21 (November 18, 2011): 2496. http://dx.doi.org/10.1182/blood.v118.21.2496.2496.

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Abstract Abstract 2496 Combretastatin A-4, a derivative of combretastatin, a natural product of the South African tree Combretum caffrum, has been reported to have anti-angiogenic and anti-tubulin effects in different cancer cell lines. We synthesized 48 novel combretastatin analogs to assess anti-leukemia activity in a panel of 12 leukemia cell lines. We identified an analog, VJ-289 [(Z)-3-(1H-indol-2-yl)-2-(3,4,5-trimethoxyphenyl)acrylonitrile] with robust anti-leukemic activity. VJ-289 showed a dose-dependent toxicity to most of the leukemic cell lines tested. The average LD50 for the 12 di

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8

Xi, Weige, Lixiang Cai, Wutao Shang, and Yidan Su. "On the General Sum Distance Spectra of Digraphs." Mathematics 11, no. 2 (January 6, 2023): 308. http://dx.doi.org/10.3390/math11020308.

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Let G be a strongly connected digraph, and dG(vi,vj) denote the distance from the vertex vi to vertex vj and be defined as the length of the shortest directed path from vi to vj in G. The sum distance between vertices vi and vj in G is defined as sdG(vi,vj)=dG(vi,vj)+dG(vj,vi). The sum distance matrix of G is the n×n matrix SD(G)=(sdG(vi,vj))vi,vj∈V(G). For vertex vi∈V(G), the sum transmission of vi in G, denoted by STG(vi) or STi, is the row sum of the sum distance matrix SD(G) corresponding to vertex vi. Let ST(G)=diag(ST1,ST2,…,STn) be the diagonal matrix with the vertex sum transmissions o

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Latorre-Román, Pedro Ángel, Felipe García-Pinillos, Emilio José Martínez-López, and Victor Manuel Soto-Hermoso. "Concurrent fatigue and postactivation potentiation during extended interval training in long-distance runners." Motriz: Revista de Educação Física 20, no. 4 (December 2014): 423–30. http://dx.doi.org/10.1590/s1980-65742014000400009.

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The purpose of this study is to analyze acute effect of running extended interval training(EIT) on vertical jump (VJ) and handgrip strength (HS) performance in experienced endurance athletes. In order to analyze mechanical parameters of the VJ and HS between runs, sixteen experienced male athletes performed an EIT (4x3x400m). The results show that fatigue induced by EIT does not impair handgrip strength or VJ performance. A significant improvement (p< .05) was noted for VJ due to the postactivation potentiation (PAP) phenomenon. A positive correlation (r= .619, p= .011) was found between VJ

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Pereira, Lucas A., Tomás T. Freitas, Vinicius Zanetti, and Irineu Loturco. "Variations in Internal and External Training Load Measures and Neuromuscular Performance of Professional Soccer Players During a Preseason Training Period." Journal of Human Kinetics 81, no. 1 (January 28, 2022): 149–62. http://dx.doi.org/10.2478/hukin-2022-0012.

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Abstract We described the internal and external training loads (TLs) experienced by soccer players over a 4-week preseason, examined their effects on vertical jump (VJ) performance, and investigated the relationships between different TL variables. Eighteen professional soccer players performed 17 training sessions and 1 friendly-match (FM) over the preseason. The internal TL was obtained using the session-rating of perceived exertion method. The external TL variables collected were total and high-intensity distances, body-load, and high-metabolic power distance via the GPS system. VJ performa

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11

Wang, X. G., and C. Peracchia. "Connexin 32/38 chimeras suggest a role for the second half of inner loop in gap junction gating by low pH." American Journal of Physiology-Cell Physiology 271, no. 5 (November 1, 1996): C1743—C1749. http://dx.doi.org/10.1152/ajpcell.1996.271.5.c1743.

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Gap junction channels are regulated by gates that close with cytosolic acidification and transjunctional voltage (Vj). For identifying the connexin (Cx) domain(s) involved in channel gating, CO2 and Vj sensitivities of channels made of Cx38, Cx32, Cx32/Cx38 chimeras, and Cx32 mutants were studied in Xenopus oocyte pairs. Recently, we have reported that Cx38 is more sensitive to CO2 and Vj than Cx32 because of differences in the Cx inner loop. To identify the responsible inner loop domain, chimeras of Cx32/Cx38 in which the first (I1) or the second (I2) half of the inner loop of Cx38 replaced t

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12

Ernst, Gregory P., Ethan Saliba, David R. Diduch, Shepard R. Hurwitz, and Donald W. Ball. "Lower-Extremity Compensations Following Anterior Cruciate Ligament Reconstruction." Physical Therapy 80, no. 3 (March 1, 2000): 251–60. http://dx.doi.org/10.1093/ptj/80.3.251.

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AbstractBackground and Purpose. Several studies have demonstrated that patients with knee injury scored within a normal range during one-legged hop tests yet showed quadriceps femoris muscle weakness with non–weight-bearing isokinetic testing. This study evaluated lower-extremity kinetics while subjects performed a single-leg vertical jump (VJ) and a lateral step-up (LSU) in an attempt to explain this phenomenon. Subjects and Methods. Using a motion analysis and force platform system, hip, knee, and ankle extension moments of 20 subjects with anterior cruciate ligament (ACL) reconstructions an

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Keefe, Marcos S., Ryan M. Thiele, and Cameron S. Mackey. "Evaluation of Peak Power Output in Healthy Adults during Sit-to-Stand and Vertical Jump Assessments." Translational Journal of the American College of Sports Medicine 9, no. 2 (2024): 1–5. http://dx.doi.org/10.1249/tjx.0000000000000247.

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ABSTRACT Introduction Measuring maximal, or peak, power output (Pmax) through vertical jumps (VJ) may not be appropriate for all individuals; the sit-to-stand (STS) test could potentially be more functionally relevant for older adults. However, the reliability of measuring Pmax in conjunction with STS and the relationships between Pmax during STS and VJ are unknown. This study aimed to determine the reliability and relationships of Pmax during VJ and STS assessments using a commercially designed testing device. Methods Sixteen healthy males (mean ± standard deviation: age, 24 ± 4 yr; height, 1

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Oh, Seunghoon, Charles K. Abrams, Vytas K. Verselis, and Thaddeus A. Bargiello. "Stoichiometry of Transjunctional Voltage–Gating Polarity Reversal by a Negative Charge Substitution in the Amino Terminus of a Connexin32 Chimera." Journal of General Physiology 116, no. 1 (July 1, 2000): 13–32. http://dx.doi.org/10.1085/jgp.116.1.13.

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Gap junctions are intercellular channels formed by the serial, head to head arrangement of two hemichannels. Each hemichannel is an oligomer of six protein subunits, which in vertebrates are encoded by the connexin gene family. All intercellular channels formed by connexins are sensitive to the relative difference in the membrane potential between coupled cells, the transjunctional voltage (Vj), and gate by the separate action of their component hemichannels (Harris, A.L., D.C. Spray, and M.V. Bennett. 1981. J. Gen. Physiol. 77:95–117). We reported previously that the polarity of Vj dependence

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15

Weber, J. S., J. Berry, T. Manser, and J. L. Claflin. "Position of the rearranged V kappa and its 5' flanking sequences determines the location of somatic mutations in the J kappa locus." Journal of Immunology 146, no. 10 (May 15, 1991): 3652–55. http://dx.doi.org/10.4049/jimmunol.146.10.3652.

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Abstract Somatic hypermutation is known to occur in the VJ kappa exon and its flanking sequences, yet little is known about the hypermutation mechanism or its exact target within the rearranged locus. Mutations may occur at the same frequency, spanning a region from the leader intron to 3' of J kappa 5, regardless of which J is chosen for VJ rearrangement. Another possibility is that mutations may be limited to the rearranged VJ kappa and its immediate flanking sequences. To distinguish between these possibilities, the JC introns of 21 alleles with V kappa rearranged to J kappa 1 were sequence

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Sales, Marcelo, Ana Maciel, Samuel Aguiar, Ricardo Asano, Daisy Motta-Santos, José Moraes, Polissandro Alves, et al. "Vertical Jump Is Strongly Associated to Running-Based Anaerobic Sprint Test in Teenage Futsal Male Athletes." Sports 6, no. 4 (October 25, 2018): 129. http://dx.doi.org/10.3390/sports6040129.

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As one of the most popular sport modalities in Brazil, and with an exponential growth in Europe, futsal is characterized by intermittent stimulus of anaerobic high intensity sprints. The running-based anaerobic sprint test (RAST) is one of the most common tests to assess anaerobic power in futsal athletes, however, it presents both time and physical challenges. Therefore, we aimed to correlate RAST with a simpler test, the vertical jump (VJ), in teenage male futsal athletes; Methods: Thirteen volunteers were enrolled and underwent two visits to the laboratory, one for the VJ and the other for

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Bechtel, Cale, Joshua A. Cotter, and Evan E. Schick. "Back Squat Potentiates Both Vertical and Horizontal Jump Performance in Collegiate Ice Hockey Players." International Journal of Kinesiology and Sports Science 6, no. 1 (January 31, 2018): 26. http://dx.doi.org/10.7575/aiac.ijkss.v.6n.1p.26.

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Background: Back squats (BSQ) have been shown to transiently improve performance in explosive vertical movements such as the vertical jump (VJ). Still, understanding of this phenomenon, termed post-activation potentiation (PAP), remains nebulous as it relates to explosive horizontal movements. Objective: Therefore, the purpose of the present investigation was to assess whether heavy BSQ can potentiate both VJ and horizontal jump (HJ) performance. Method: Nine male ice hockey players from the Long Beach State ice hockey team performed five testing sessions separated by 96-hours. The first testi

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Neeb, Karl-Hermann, and Ivan Penkov. "Cartan Subalgebras of." Canadian Mathematical Bulletin 46, no. 4 (December 1, 2003): 597–616. http://dx.doi.org/10.4153/cmb-2003-056-1.

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AbstractLet V be a vector space over a field of characteristic zero and V* be a space of linear functionals on V which separate the points of V. We consider V ⊗ V* as a Lie algebra of finite rank operators on V, and set (V, V*) := V ⊗ V*. We define a Cartan subalgebra of (V, V*) as the centralizer of a maximal subalgebra every element of which is semisimple, and then give the following description of all Cartan subalgebras of (V;V*) under the assumption that is algebraically closed. A subalgebra of (V, V*) is a Cartan subalgebra if and only if it equals for some one-dimensional subspaces Vj ⊆

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Thomas, Christopher, Paul Comfort, Paul A. Jones, and Thomas Dos’Santos. "A Comparison of Isometric Midthigh-Pull Strength, Vertical Jump, Sprint Speed, and Change-of-Direction Speed in Academy Netball Players." International Journal of Sports Physiology and Performance 12, no. 7 (August 2017): 916–21. http://dx.doi.org/10.1123/ijspp.2016-0317.

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Purpose:To investigate the relationships between maximal isometric strength, vertical jump (VJ), sprint speed, and change-of-direction speed (CoDS) in academy netball players and determine whether players who have high performance in isometric strength testing would demonstrate superior performance in VJ, sprint speed, and CoDS measures.Method:Twenty-six young female netball players (age 16.1 ± 1.2 y, height 173.9 ± 5.7 cm, body mass 66.0 ± 7.2 kg) from a regional netball academy performed isometric midthigh pull (IMTP), squat jumps (SJs), countermovement jumps (CMJs), 10-m sprints, and CoDS (

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Yates, Allison A., Joanne Holden, Susan Gebhardt, and Suzanne P. Murphy. "Reply to VJ Drake et al." American Journal of Clinical Nutrition 87, no. 4 (April 1, 2008): 1068–69. http://dx.doi.org/10.1093/ajcn/87.4.1068.

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Joseph, K. L. Vincent, Jonghun Lim, A. Anthonysamy, Hyoung-il Kim, Wonyong Choi та Jin Kon Kim. "Squaraine-sensitized composite of a reduced graphene oxide/TiO2 photocatalyst: π–π stacking as a new method of dye anchoring". Journal of Materials Chemistry A 3, № 1 (2015): 232–39. http://dx.doi.org/10.1039/c4ta04313h.

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We synthesized a near infra-red (NIR) absorbing squaraine dye (VJ-S) showing a strong absorption and emission. Photocatalytic activity of VJ-S/r-NGOT in visible light wavelengths is much higher than that of r-NGOT alone.

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Lipiński, Kamil. "The Fragmentary Narrative in the Nomadic VJ Performance by Peter Greenaway." Panoptikum, no. 19 (June 30, 2018): 108–20. http://dx.doi.org/10.26881/pan.2018.19.08.

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The article explores fragmentary, transmedia images of the nomadic Tulse Luper VJ Performance in terms of activation of the senses. Considering its key characteristics (such as mobility of the spectator, the multiplicity of viewpoints, fragmentary storytelling), this VJ screen-based performance challenges ordinary assumptions of the cinematic experience. This perspective sheds a new light on the areal connection of the multi-screen environment that exceeds the perception of one linear story in favour of a kaleidoscopic stream of images and ekphrastic writing. By analysing spatio-temporal speci

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Perez-Armendariz, E. M., M. C. Romano, J. Luna, C. Miranda, M. V. Bennett, and A. P. Moreno. "Characterization of gap junctions between pairs of Leydig cells from mouse testis." American Journal of Physiology-Cell Physiology 267, no. 2 (August 1, 1994): C570—C580. http://dx.doi.org/10.1152/ajpcell.1994.267.2.c570.

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Leydig cells are coupled in vivo by numerous gap junctions. In vivo and in vitro cells were immunolabeled by connexin 43 (Cx43) but not by Cx26 or Cx32 antibodies; immunoblotting confirmed specificity of Cx43 labeling. Pairs of Leydig cells dissociated from mouse testis were studied by dual whole cell voltage clamp, and a high incidence of dye (n = 20) and electrical coupling (n = 60; > 90%) was found. Coupling coefficients were near 1 and junctional conductance (gj) averaged 7.2 +/- 1.2 nS (SE, n = 40). Large transjunctional voltage (Vj) decreased gj; currents decayed exponentially with ti

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Saidi, Nur Fatihah, Chee Hian Tan, Raja Mohammed Firhad Raja Azidin, Hashbullah Ismail, Choo Yee Yu, and Geik Yong Yu. "ASSOCIATIONS BETWEEN SPEED, POWER AND ENDURANCE PERFORMANCE IN SUPER LEAGUE SOCCER PLAYERS." Malaysian Journal of Sport Science and Recreation 18, no. 2 (September 15, 2022): 150–60. http://dx.doi.org/10.24191/mjssr.v18i2.19553.

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The physical characteristics favourable for soccer players includes high level of speed, explosive jumping power, and aerobic fitness which highlights the importance of assessing these characteristics for strength and conditioning training program development. The aim of this study is to examine the associations between speed, power and endurance performance of Malaysia Super League soccer players. Twenty-four male soccer players (age = 24.50 ± 3.11 years, height = 176.12 ± 8.11 cm, body mass = 70.86 ± 9.07 kg) were recruited in this study and all the players were tested for explosive lower bo

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Lu, Chengbiao, and Douglas G. McMahon. "Gap junction channel gating at bass retinal electrical synapses." Visual Neuroscience 13, no. 6 (November 1996): 1049–57. http://dx.doi.org/10.1017/s0952523800007707.

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AbstractTo further characterize the properties of retinal horizontal cell electrical synapses, we have studied the gating characteristics of gap junctions between cone-driven horizontal cells from the hybrid striped bass retina using double whole-cell voltage-clamp techniques. In a total of 105 cell pairs, the macroscopic conductance ranged from 0.4–100 nS with most cell pairs exhibiting junctional conductances between 10 and 30 nS. The junctional current-voltage relationship showed that peak or instantaneous currents (Iinst) were linear within the Vj range of ±100 mV and that steady-state jun

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Sanova, Zoya. "The level of milk production jersey cows depending on genealogy." Agrarian Bulletin of the 204, no. 01 (March 13, 2021): 60–69. http://dx.doi.org/10.32417/1997-4868-2021-204-01-60-69.

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Abstract. The purpose of the research. Was to study the milk productivity and reproductive abilities of Jersey cows in the context of bulls and their fathers. Object of research. Cows, bulls-fathers of the Jersey breed in the breeding reproducer, data from the “Selex” program. Results and practical significance. The results of evaluating the use of Jersey bulls by a set of characteristics are shown. Indicators of daughters of some bulls-producers are given; milk productivity and reproductive qualities. A wide range of characteristics was evaluated – from milk productivity and reproductive qual

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Litichevskiy, D. V. "PYRAMID SCHEME FOR CONSTRUCTING BIORTHOGONAL WAVELET CODES OVER FINITE FIELDS." Prikladnaya Diskretnaya Matematika, no. 51 (2021): 101–19. http://dx.doi.org/10.17223/20710410/51/5.

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The existence of a biorthogonal decomposition of the space V of dimension n over the field GF(q) is constructively proved, namely, two representations of it are obtained as direct sums of subspaces V = W0⊕W1⊕. . .⊕WJ⊕VJ and V = W˜0⊕W˜1⊕. . .⊕W˜J⊕V˜J ,such that at the j-th level of the decomposition, for 0 < j 6 J, Vj−1 = Vj⊕Wj , V˜j−1 == V˜j ⊕ W˜j , the subspace Vj is orthogonal to W˜j , and the subspace Wj is orthogonal to V˜j . The partition of the space at the j-th level is made with the help of pairs of level filters (hj, gj) and (h˜j, g˜j), for the construction of which the correspondi

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Faigenbaum, Avery D., James E. McFarland, Neil A. Kelly, Nicholas A. Ratamess, Jie Kang, and Jay R. Hoffman. "Influence of Recovery Time on Warm-Up Effects in Male Adolescent Athletes." Pediatric Exercise Science 22, no. 2 (May 2010): 266–77. http://dx.doi.org/10.1123/pes.22.2.266.

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The purpose of this study was to examine the influence of recovery time following a dynamic warm-up (DY) and a static stretch warm-up (SS) on power performance in adolescent athletes. Following baseline measures, 19 males (16.5 ± 1.1 yrs) performed the vertical jump (VJ) and seated medicine ball toss (MB) at the following time points after DY and SS: 2, 6, 10, 14, 18, 22 min. Analysis of variance revealed that VJ was significantly greater following DY than SS at 2, 6, 10, 14 and 18 min. Main effects indicated a significant increase in VJ from baseline at 2 and 6 min following DY (2.6–3.9%) and

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SAMUEL, STUART. "ON THE SPEED OF GRAVITY AND THE JUPITER/QUASAR MEASUREMENT." International Journal of Modern Physics D 13, no. 09 (October 2004): 1753–70. http://dx.doi.org/10.1142/s0218271804005900.

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I present the theory and analysis behind the experiment by Fomalont and Kopeikin involving Jupiter and quasar J0842+1845 that purported to measure the speed of gravity. The computation of the vJ/c correction to the gravitational time delay difference relevant to the experiment is derived, where vJ is the speed of Jupiter as measured from Earth. Since the vJ/c corrections are too small to have been measured in the Jupiter/quasar experiment, it is impossible that the speed of gravity was extracted from the data, and I explain what went wrong with the data analysis. Finally, mistakes are shown in

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Lin, Xianming, and Richard D. Veenstra. "Action potential modulation of connexin40 gap junctional conductance." American Journal of Physiology-Heart and Circulatory Physiology 286, no. 5 (May 2004): H1726—H1735. http://dx.doi.org/10.1152/ajpheart.00943.2003.

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Connexin40 (Cx40) is abundantly expressed in the atrial myocardium, ventricular conduction system, and vascular endothelial and smooth muscle cells of the mammalian cardiovascular system. Rapid conduction through cardiac tissues depends on electrotonic transfer of the action potential between neighboring cells. To determine whether transjunctional voltages ( Vj) elicited by an action potential can modulate conductance of Cx40 gap junctions, simulated myocardial action potentials were applied as voltage-clamp waveforms to Cx40 gap junctions expressed in mouse neuro2A (N2A) cells. Junctional cur

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Giustino, Valerio, Giuseppe Messina, Antonino Patti, Elvira Padua, Daniele Zangla, Patrik Drid, Giuseppe Battaglia, Antonio Palma, and Antonino Bianco. "Effects of a Postural Exercise Program on Vertical Jump Height in Young Female Volleyball Players with Knee Valgus." International Journal of Environmental Research and Public Health 19, no. 7 (March 26, 2022): 3953. http://dx.doi.org/10.3390/ijerph19073953.

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Background: Although a knee valgus position is related to the increase in injury risk in volleyball players, there is a lack of studies on the relationship between knee valgus and vertical jump (VJ) performance. Hence, the aim of this study was to investigate the effects of a postural exercise program on VJ height in young female volleyball players with knee valgus. Methods: This pilot study included 19 young female volleyball players divided into the following groups: the Valgus Experimental Group (VEG); the Valgus Control Group (VCG); and the Neutral Control Group (NCG). All three groups car

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Moran, Patricia. "VJ em cena: espaços como partitura audiovisual." Revista Contracampo, no. 13 (December 1, 2005): 155. http://dx.doi.org/10.22409/contracampo.v0i13.505.

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Vamos discutir neste artigo projeções de imagens manipuladas ao vivo que funcionam como partituras audiovisuais. São cintilação: imagens figurativas e gráficas, pessoas dançando sob luzes estroboscópicas. Na noite, em boates, raves e galerias, a distribuição das telas no lugar e o excesso de luzes coloridas criam o espaço-experiência, o espaço-estímulo, criam projeções-espaço. O espaço de estímulos aqui proporcionados promove uma experiência imersiva que se aproxima de outros dispositivos com imagens-espaço, como os ambientes dos videogames e da realidade virtual interativa. Por outro lado, de

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Augustsson, Sofia Ryman. "Maximum Strength in Squats Determines Jumping Height in Young Female Volleyball Players." Open Sports Sciences Journal 6, no. 1 (August 20, 2013): 41–46. http://dx.doi.org/10.2174/1875399x01306010041.

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Few data exist on the relationship between maximum strength and power performance, such as jumping ability in low-level female volleyball players. The aim of the present study was to determine the relationship between maximum strength and jumping performance in young female non-elite volleyball players before and after an in-season resistancetraining protocol. A 26-week, in-season resistance-training program was carried out on ten female volleyball players, aged 19 (±2). The 1 RM squat test was used to evaluate the players’ maximum strength in the lower extremities and a vertical jump (VJ) tes

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Veenstra, R. D. "Voltage-dependent gating of gap junction channels in embryonic chick ventricular cell pairs." American Journal of Physiology-Cell Physiology 258, no. 4 (April 1, 1990): C662—C672. http://dx.doi.org/10.1152/ajpcell.1990.258.4.c662.

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The dependence of macroscopic gap junctional conductance (Gj) on transjunctional voltage (Vj) was studied in paired myocytes after enzymatic dissociation of 7-day-old embryonic chick ventricles. The membrane voltage of both cells was independently controlled by separate patch-clamp circuits in the whole cell configuration. Two distinctive unitary junctional conductances were identified in recordings from seven different cell pairs. The larger channel had a mean conductance of 166 +/- 37 pS (n = 6 pairs), whereas a second channel averaged 58 +/- 10 pS (n = 3). Instantaneous Gj remained linear o

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Abreu, Frederico, Vera Zymbal, and Fátima Baptista. "Musculoskeletal Fitness for Identifying Low Physical Function in Older Women." International Journal of Environmental Research and Public Health 20, no. 8 (April 12, 2023): 5485. http://dx.doi.org/10.3390/ijerph20085485.

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Aims: This cross-sectional study aimed to analyze the relevance of musculoskeletal fitness for identifying low physical functioning in community-dwelling older women. Methods: Sixty-six older women (73.62 ± 8.23 yrs old) performed a musculoskeletal fitness assessment of the upper and lower limbs. A handheld dynamometer was used to evaluate upper-limb muscle strength through a handgrip (HG) test. Lower-limb power and force were assessed from a two-leg countermovement vertical jump (VJ) on a ground reaction force platform. Physical functioning was assessed subjectively using the Composite Physic

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K A, Harikrishnan, and Manilal K. "On open neighborhood energy of graphs." Gulf Journal of Mathematics 15, no. 1 (August 18, 2023): 119–30. http://dx.doi.org/10.56947/gjom.v15i1.1122.

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The open neighborhood of a vertex u denoted by N(u) in a simple connected graph G is the collection of all vertices other than u and adjacent to u. In this paper, we introduce a square matrix of order n, called the open neighborhood matrix, ONM(G) of a graph G whose (i, j)th entry is |N(vi) ∩ N(vj)|/(di+dj) whenever vi~vj, i≠ j; and zero otherwise, where di and dj, are the degrees of vi and vj respectively. We then establish the relationship between the connectedness of the graph G and the multiplicity of the eigenvalue zero of the matrix ONM(G), if it exists. Furthermore, we found the bounds

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Lee, Jong-Tak. "Development of User's Evaluation Criteria for VJ Broadcasting Program." Journal of the Korea Contents Association 10, no. 5 (May 28, 2010): 135–43. http://dx.doi.org/10.5392/jkca.2010.10.5.135.

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Luebbers, Paul E., Matthew J. Andre, Andrew C. Fry, Luke A. Olsen, Keith B. Pfannestiel, and Dimitrije Cabarkapa. "Hormonal Responses and Jump Performance Across a Season in Collegiate Women Basketball Players." Women in Sport and Physical Activity Journal 30, no. 1 (April 1, 2022): 18–26. http://dx.doi.org/10.1123/wspaj.2021-0048.

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The testosterone-to-cortisol ratio (T/C) has been shown to be positively correlated with strength and power. However, few studies have examined the relationship between a standardized power performance measurement and T/C throughout a season of intercollegiate competition. The purpose of this study was to examine the relationships between salivary T/C and vertical jump (VJ) performance of female National Collegiate Athletic Association Division II basketball players across a season. Saliva samples were taken before practice, weekly, for a total of 29 weeks. Samples were assayed for testosteron

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Chanson, M., K. J. Chandross, M. B. Rook, J. A. Kessler, and D. C. Spray. "Gating characteristics of a steeply voltage-dependent gap junction channel in rat Schwann cells." Journal of General Physiology 102, no. 5 (November 1, 1993): 925–46. http://dx.doi.org/10.1085/jgp.102.5.925.

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The gating properties of macroscopic and microscopic gap junctional currents were compared by applying the dual whole cell patch clamp technique to pairs of neonatal rat Schwann cells. In response to transjunctional voltage pulses (Vj), macroscopic gap junctional currents decayed exponentially with time constants ranging from &lt; 1 to &lt; 10 s before reaching steady-state levels. The relationship between normalized steady-state junctional conductance (Gss) and (Vj) was well described by a Boltzmann relationship with e-fold decay per 10.4 mV, representing an equivalent gating charge o

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Maia, Carlos Vangerre de Almeida, Anny Kariny Feitosa, Vanessa Sandyla da Silva Rocha, Renata Saraiva Vidal, and Tiago Regis de Melo Alves. "Reflexões sobre a cobrança pelos serviços de gestão dos resíduos sólidos em municípios cearenses consorciados." DRd - Desenvolvimento Regional em debate 9 (October 29, 2019): 668–82. http://dx.doi.org/10.24302/drd.v9i0.2226.

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O Plano Estadual de Resíduos Sólidos do Ceará (PERSCE) determina que, até 2020, 20% dos seus municípios estejam consorciados e realizem cobrança pelos serviços de manejo de resíduos sólidos desvinculadamente do Imposto Predial Territorial Urbano (IPTU). O Consórcio de Gestão Integrada de Resíduos Sólidos – Vale do Jaguaribe (CGIRS-VJ) operará equipamentos de transbordo, transporte e disposição final por meio da iniciativa privada, cujo dispêndio poderá ser repassado aos usuários. Esse trabalho verificou se as variáveis sugeridas para a possível base de cálculo da cobrança do serviço na região

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Fonseca, Renato Tavares, Gustavo Casimiro Lopes, Juliana Brandão Pinto de Castro, Luciano Alonso Valente dos Santos, Bruno Lucas Pinheiro Lima, Gilson Ramos de Oliveira Filho, Rodolfo de Alkmim Moreira Nunes, and Rodrigo Gomes de Souza Vale. "Analysis of vertical jump, rating of perceived exertion, delayed-onset muscle soreness, and muscular peak power in young male Brazilian football players submitted to plyometric and semi-squat training with weights." Retos 46 (August 9, 2022): 613–21. http://dx.doi.org/10.47197/retos.v46.94085.

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This study analyzed the effects of plyometric and strength training on vertical jump (VJ), rating of perceived exertion (RPE), delayed-onset muscle soreness (DOMS), and absolute (APP) and relative (RPP) muscle peak power in young male football players. Twenty-five participants were randomly divided into semi-squat training group (SSTG), plyometric training group (PTG), and control group (CG). The duration of the intervention was six weeks. VJ was analyzed with a computerized jumping platform. DOMS and RPE with the Borg’s Visual Analogue Scale (VAS) and the Adapted Borg Scale (ABS), respectivel

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López-Riquelme, Germán Octavio, Elia E. Soto-Alba, Carlos Ricardo Mata-Bautista, and Rachid Marzoug. "Jugar videojuegos de estrategia en tiempo real tiene efectos positivos en la memoria de trabajo." Revista ConCiencia EPG 7, Edición especial (April 9, 2022): 143–75. http://dx.doi.org/10.32654/concienciaepg/eds.especial-7.

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Los videojuegos de estrategia en tiempo real (VJ-ETR) requieren que los jugadores planeen estrategias reclutando capacidades cognitivas como atención, habilidades motoras, habilidades visuoespaciales y memoria de trabajo (MT). Ya que jugar VJ-ETR depende del mantenimiento de metas principales y submetas activas, así como de la revisión dinámica de esas metas conforme la situación lo requiere, el objetivo de este trabajo fue estudiar si jugadores expertos de VJ-ETR (JExp-ETR) tienen una mayor capacidad de MT que no-jugadores (No-ETR). Para ello, comparamos el desempeño entre JExp-ETR y No-ETR e

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Lockie, Robert G., Farzad Jalilvand, Corrin A. Jordan, Samuel J. Callaghan, Matthew D. Jeffriess, Tawni M. Luczo, and Adrian B. Schultz. "The Relationship between Unilateral Dynamic Stability and Multidirectional Jump Performance in Team Sport Athletes." Sport Science Review 24, no. 5-6 (December 1, 2015): 321–44. http://dx.doi.org/10.1515/ssr-2015-0022.

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AbstractThis study investigated relationships between dynamic stability and multidirectional jumping. A modified Star Excursion Balance Test (mSEBT), incorporating unilateral lower-body reaching in posteromedial, medial, and anteromedial directions, assessed dynamic stability. Unilateral vertical (VJ), standing broad (SBJ) and lateral jumps (LJ) assessed leg power. VJ power and relative SBJ and LJ distances were calculated. Thirty-two team sport athletes completed the mSEBT when each leg was used for stance, and left- and right-leg VJ, SBJ, and LJ. Correlations were drawn between data recorded

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Lockie, Robert G., Ashley J. Orjalo, Victoria L. Amran, Deshaun L. Davis, Fabrice G. Risso, and Farzad Jalilvand. "An introductory analysis as to the influence of lower-body power on multidirectional speed in collegiate female rugby players." Sport Science Review 25, no. 1-2 (May 1, 2016): 113–34. http://dx.doi.org/10.1515/ssr-2016-0007.

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AbstractThis study investigated relationships between lower-body power, measured by a vertical jump (VJ) and standing broad jump (SBJ), with multidirectional speed in collegiate female rugby players. The rugby player data was compared to that of general team sport athletes to ascertain whether there were characteristics specific to collegiate rugby players. Multi-directional speed was measured by a 20-meter (m) sprint (0-5, 0-10, 0-20 m intervals) and 505 change-of-direction speed test. Eight rugby players and eight team sport athletes completed all tests. Spearman’s correlations calculated re

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Gerodimos, Vassilis, Andreas Zafeiridis, Stefanos Perkos, Konstantina Dipla, Vassiliki Manou, and Spiros Kellis. "The Contribution of Stretch-Shortening Cycle and Arm-Swing to Vertical Jumping Performance in Children, Adolescents, and Adult Basketball Players." Pediatric Exercise Science 20, no. 4 (November 2008): 379–89. http://dx.doi.org/10.1123/pes.20.4.379.

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This study examined from childhood to adulthood: (1) the effects of countermovement (use of stretch-shortening cycle-SSC) and arm-swing (AS) on vertical jumping (VJ) performance and (2) the ability to use the SSC and AS during VJ. Male basketball players (n = 106) were divided according to their age into: children (12.0 ± 0.23), young adolescents (14.5 ± 0.41), old adolescents (16.9 ± 0.27), and adults (21.9 ± 0.32). Each participant executed three maximal squat jumps (SJ), countermovement jumps without arms (CMJ) and with arms (CMJA). The contribution of SSC and AS was calculated by the augme

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Thalavayalil, Timmy Tomy, and Sudev Naduvath. "A study on coarse deg-centric graphs." Gulf Journal of Mathematics 16, no. 2 (April 12, 2024): 171–82. http://dx.doi.org/10.56947/gjom.v16i2.1877.

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The coarse deg-centric graph of a simple, connected graph G, denoted by Gcd, is a graph constructed from G such that V(Gcd) = V(G) and E(Gcd) = {vi vj : dG( vi, vj) > degG(vi)}. This paper introduces and discusses the concepts of coarse deg-centric graphs and iterated coarse deg-centrication of a graph. It also presents the properties and structural characteristics of coarse deg-centric graphs of some graph families.

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Mondal, Sourav, and Kinkar Chandra Das. "Degree-Based Graph Entropy in Structure–Property Modeling." Entropy 25, no. 7 (July 21, 2023): 1092. http://dx.doi.org/10.3390/e25071092.

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Graph entropy plays an essential role in interpreting the structural information and complexity measure of a network. Let G be a graph of order n. Suppose dG(vi) is degree of the vertex vi for each i=1,2,…,n. Now, the k-th degree-based graph entropy for G is defined as Id,k(G)=−∑i=1ndG(vi)k∑j=1ndG(vj)klogdG(vi)k∑j=1ndG(vj)k, where k is real number. The first-degree-based entropy is generated for k=1, which has been well nurtured in last few years. As ∑j=1ndG(vj)k yields the well-known graph invariant first Zagreb index, the Id,k for k=2 is worthy of investigation. We call this graph entropy as

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Panoutsakopoulos, Vassilios, Mariana C. Kotzamanidou, Athanasios K. Giannakos, and Iraklis A. Kollias. "Relationship of Vertical Jump Performance and Ankle Joint Range of Motion: Effect of Knee Joint Angle and Handedness in Young Adult Handball Players." Sports 10, no. 6 (May 28, 2022): 86. http://dx.doi.org/10.3390/sports10060086.

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The purpose of the study is to examine the effect of the ankle joint range of motion (ROM) on the vertical jump (VJ) performance of adult handball players. The active (ACT) and passive (PAS) ankle joint ROM of 12 male members of the U21 National Handball Team with the knee joint at 0°, 40°, and 90° flexion (0° = fully extended knee) was evaluated using a video analysis measuring method. Participants also performed maximum VJ with (CMJ) and without (SQJ) countermovement, as well as with (AS) and without (NAS) an arm swing. Statistical analyses included 2 × 2 × 3 MANOVA, 2 × 2 repeated measures

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Chulvi-Medrano, Iván, Manuel Pombo, Miguel Ángel Saavedra-García, Tamara Rial Rebullido, and Avery D. Faigenbaum. "A 47-Year Comparison of Lower Body Muscular Power in Spanish Boys: A Short Report." Journal of Functional Morphology and Kinesiology 5, no. 3 (August 20, 2020): 64. http://dx.doi.org/10.3390/jfmk5030064.

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Much of the evidence examining temporal trends in fitness among youth has found a decrease in measures of muscular strength and muscular power over recent decades. The aim of this study was to examine trends in lower body muscular power in Spanish boys over 47 years. In 1969 140 boys (10–11 years; body mass index = 19.24, SD = 2.91 kg/m2) and in 2016, 113 boys (10–11 years; body mass index = 19.20, SD = 3.15 kg/m2) were recruited. Lower body power was assessed using the vertical jump (VJ) and standing long jump (SLJ) tests. Significant differences and a large effect size were shown between gro

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Cornara, Laura, Gabriele Ambu, Domenico Trombetta, Marcella Denaro, Susanna Alloisio, Jessica Frigerio, Massimo Labra, Govinda Ghimire, Marco Valussi, and Antonella Smeriglio. "Multidisciplinary Screening of Three Species belonging to Caprifoliaceae Family Traditionally Used as Antidepressants." Biology and Life Sciences Forum 4, no. 1 (December 1, 2020): 2. http://dx.doi.org/10.3390/iecps2020-08643.

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The essential oils (EOs) of the Eurasiatic Valeriana officinalis (Vo), the Himalayan Valeriana jatamansi (Vj) and Nardostachys jatamansi (Nj), are traditionally used to treat neurological disorders. A multidisciplinary approach based on micromorphology, DNA barcoding, EOs characterization as well as evaluation of the biological effects on the nervous system was carried out. Nj showed the highest inhibitory activity on acetylcholinesterase (IC50 67.15 μg/mL), followed by Vo (IC50 127.30 μg/mL) and Vj (IC50 246.84 μg/mL). Microelectrode arrays analyses on rat cortical neurons revealed stronger i

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