Validation of Moticon’s OpenGo sensor insoles during gait,jumps, balance and cross-country skiing specific imitation movements     

Thomas Stöggl  Alex Martiner 《Journal of sports sciences》2017,35(2):196-206

The purpose of this study was the experimental validation of the OpenGo sensor insole system compared to PedarX sensor insole and AMTI force-plate systems. Sixteen healthy participants performed trials in walking, running, jumping (drop and counter movement jumps), imitation drills and balance, with simultaneous measures of all three systems. Detected ground contact and flight times with OpenGo during walking, running and jumping were similar to those of AMTI. Force–time curves revealed comparable shapes between all three systems. Force impulses were 13–34% lower with OpenGo when compared to AMTI. Despite differences in mean values in some exercise modes, correlations towards AMTI were between r = 0.8 and r = 1.0 in most situations. During fast motions, with high force and impact, OpenGo provided lower force and latency in force kinetics. During balance tasks, discrepancy in the centre of pressure was found medio-lateral, while anterio–posterior direction was closer to AMTI. With awareness of these limitations, OpenGo can be applied in both clinical and research settings to evaluate temporal, force and balance parameters during different types of motion. The fully mobile OpenGo system allows for the easy and quick system application, analysis and feedback under complex field conditions, as well.  相似文献   

Exercise does not increase salivary lymphocytes,monocytes, or granulocytes,but does increase salivary lysozyme     

Trevor Gillum  Matthew Kuennen  Zachary McKenna  Micaela Castillo  Alex Jordan-Patterson  Caitlin Bohnert 《Journal of sports sciences》2017,35(13):1294-1299

An increase in salivary leukocytes may contribute to the exercise-induced increase in salivary antimicrobial proteins (AMPs). However, exercise-induced changes in salivary leukocytes have not been studied. The purpose of the study was to describe salivary leukocyte changes with exercise. Participants (n = 11, 20.3 ± 0.8 years, 57.2 ± 7.6 ml kg^?1 min^?1 peak oxygen uptake ((VO) ?₂peak), 11.1 ± 3.9% body fat) ran for 45 min at 75% of VO_2peak. Stimulated saliva (12 mL) was collected pre- and immediately post exercise. Saliva was filtered through a 30 µm filter before analysis of leukocytes (CD45⁺), granulocytes (CD45⁺CD15⁺), monocytes (CD45⁺CD14⁺), T-cells (CD45⁺CD3⁺), and B-cells (CD45⁺CD20⁺) using flow cytometry. Saliva was analysed for Lysozyme (Lys) using ELISA. Exercise did not alter any leukocyte subset. The major constituent of leukocytes pre-exercise were granulocytes (57.9 ± 30.3% compared with monocytes: 5.1 ± 2.7%, T-cells: 17.1 ± 8.9%, B-cells: 12.1 ± 10.2%) (P < 0.05). In a subset of n = 6, Lys secretion rate increased after exercise (pre: 5,170 ± 5,215 ng/min; post: 7,639 ± 4,140 ng/min) (P < 0.05). Exercise does not result in increased granulocytes, but does increase Lys. Further, these data suggest that an increase in salivary leukocytes is not needed to increase Lys.  相似文献   

Cardiac autonomic and haemodynamic recovery after a single session of aerobic exercise with and without blood flow restriction in older adults     

Marina Lívia Venturini Ferreira  Amanda Veiga Sardeli  Giovana Vergínia De Souza  Valéria Bonganha  Lucas Do Carmo Santos  Alex Castro 《Journal of sports sciences》2017,35(24):2412-2420

This study investigated the autonomic and haemodynamic responses to different aerobic exercise loads, with and without blood flow restriction (BFR). In a crossover study, 21 older adults (8 males and 13 females) completed different aerobic exercise sessions: low load without BFR (LL) (40% VO_2max), low load with BFR (LL-BFR) (40% VO_2max + 50% BFR) and high load without BFR (HL) (70% VO_2max). Heart rate variability and haemodynamic responses were recorded during rest and throughout 30 min of recovery. HL reduced R–R interval, the root mean square of successive difference of R–R intervals and high frequency during 30 min of recovery at a greater magnitude compared with LL and LL-BFR. Sympathetic–vagal balance increased the values for HL during 30 min of recovery at a greater magnitude when compared with LL and LL-BFR. Post-exercise haemodynamic showed reduced values of double product at 30 min of recovery compared to rest in LL-BFR, while HL showed higher values compared to rest, LL-BFR and LL. Reduced systolic blood pressure was observed for LL-BFR (30 min) compared to rest. Autonomic and haemodynamic responses indicate lower cardiovascular stress after LL-BFR compared to HL, being this method, besides the functional adaptations, a potential choice to attenuate the cardiovascular stress after exercise in older adults.  相似文献   

Doing Recent History: On Privacy,Copyright, Video Games,Institutional Review Boards,Activist Scholarship,and History That Talks Back Claire Bond Potter and Renee C. Romano,Editors. Athens: University of Georgia Press, 2012.          下载免费PDF全文

Alex Sayf Cummings 《Journal of American culture (Malden, Mass. : 2003)》2015,38(2):163-164

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Guidelines from research: Will they be able to use what you train them to do?     

Richard E. Clark  Alex Voogel 《Performance Improvement》1986,25(9):26-27

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Understanding the complex work of mathematics teaching     

Superfine  Alison Castro 《Journal of Mathematics Teacher Education》2022,25(3):263-265

Journal of Mathematics Teacher Education -  相似文献   

Uncompromising Integrity; Motorola's Global Challenge by R.S. Moorthy: A Book Review     

Barry Castro 《Performance Improvement Quarterly》2000,13(2):151-153

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Correction to: Teaching and learning in a multilingual Europe: findings from a cross-European study     

Dockrell  J. E.  Papadopoulos  T. C.  Mifsud  C. L.  Bourke  L.  Vilageliu  O.  Bešić  E.  Seifert  S.  Gasteiger-Klicpera  B.  Ralli  A.  Dimakos  I.  Karpava  S.  Martins  M.  Sousa  O.  Castro  S.  Knudsen  H. B. Søndergaard  Donau  P.  Haznedar  B.  Mikulajová  M.  Gerdzhikova  N. 《European Journal of Psychology of Education - EJPE》2022,37(2):321-323

European Journal of Psychology of Education - A Correction to this paper has been published: https://doi.org/10.1007/s10212-021-00539-z  相似文献   

An exploratory study of instructors' perceptions on inclusion of culturally responsive pedagogy in online education     

Alex Kumi-Yeboah  Samuel Amponsah 《British journal of educational technology : journal of the Council for Educational Technology》2023,54(4):878-897

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Treating children's aggressive behavior problems using cognitive behavior therapy with virtual reality: A multicenter randomized controlled trial     

Sophie C. Alsem  Anouk van Dijk  Esmée E. Verhulp  Tycho J. Dekkers  Bram O. De Castro 《Child development》2023,94(6):e344-e361

This multicenter randomized controlled trial investigated whether interactive virtual reality enhanced effectiveness of Cognitive Behavioral Therapy (CBT) to reduce children's aggressive behavior problems. Boys with aggressive behavior problems (N = 115; M_age = 10.58, SD = 1.48; 95.7% born in Netherlands) were randomized into three groups: CBT with virtual reality, CBT with roleplays, or care-as-usual. Bayesian analyses showed that CBT with virtual reality more likely reduced aggressive behavior compared to care-as-usual for six of seven outcomes (ds 0.19–0.95), and compared to CBT with roleplays for four outcomes (ds 0.14–0.68). Moreover, compared to roleplays, virtual reality more likely enhanced children's emotional engagement, practice immersion, and treatment appreciation. Thus, virtual reality may be a promising tool to enhance CBT effectiveness for children with aggressive behavior problems.  相似文献