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71.
Nicolas Aguilar-Farias G.M.E.E. Peeters Robert J Brychta Kong Y Chen Wendy J Brown 《Journal of sports sciences》2019,37(2):188-195
Accurate estimation of energy expenditure (EE) from accelerometer outputs remains a challenge in older adults. The aim of this study was to validate different ActiGraph (AG) equations for predicting EE in older adults. Forty older adults (age = 77.4 ± 8.1 yrs) completed a set of household/gardening activities in their residence, while wearing an AG at the hip (GT3X+) and a portable calorimeter (MetaMax 3B – criterion). Predicted EEs from AG were calculated using five equations (Freedson, refined Crouter, Sasaki and Santos-Lozano (vertical-axis, vectormagnitude)). Accuracy of equations was assessed using root-mean-square error (RMSE) and mean bias. The Sasaki equation showed the lowest RMSE for all activities (0.47 METs) and across physical activity intensities (PAIs) (range 0.18–0.48 METs). The Freedson and Santos-Lozano equations tended to overestimate EE for sedentary activities (range: 0.48 to 0.97 METs), while EEs for moderate-to-vigorous activities (MVPA) were underestimated (range: ?1.02 to ?0.64 METs). The refined Crouter and Sasaki equations showed no systematic bias, but they respectively overestimated and underestimated EE across PAIs. In conclusion, none of the equations was completely accurate for predicting EE across the range of PAIs. However, the refined Crouter and Sasaki equations showed better overall accuracy and precision when compared with the other methods. 相似文献
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Andrea Bunting Libby Robin Suzanne Uniacke Nicolas Rasmussen Graham Holland Marilys Guillemin Phillip Catton Sverre Myhra Rachel A. Ankeny David Oldroyd Ivan Crozier Peter Anstey Cathy Legg Jan Edward Garrett David Philip Miller John Worrall Andy Pickering Hugh Lacey S. S. Schweber 《Metascience》1999,8(1):125-195
75.
Jeremy Kilpatrick Edmund King Pierre Ferran Nicolas Hans A. Harry Passow Graeme Kemelfield Eric Ashby Mark Blaug Franklin Parker F. Walz Fritz Borinski Russell F. Farnen Robert F. Lawson Horst Magdeburg Robert J. Havighurst David A. Walker Alexandre Vexliard Josef Havlíček Otto Peters Hans Tutken M. A. Boisard George Z. F. Bereday 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》1969,15(1):83-120
76.
Triscott S Gordon J Kuppuswamy A King N Davey N Ellaway P 《Journal of sports sciences》2008,26(9):941-951
The effect of long-term endurance and resistance training on central fatigue has been studied using transcranial magnetic stimulation by exercising the biceps brachii to exhaustion and recording motor-evoked potentials from the non-exercised homologous biceps. Three groups of eight healthy individuals took part: two groups of individuals who had more than 8 years of athletic training in either an endurance or resistance sport, and a group of controls. The size of a motor-evoked potential (area of averaged rectified response) was significantly depressed in all three groups in the non-exercised arm after exhaustive exercise of the opposite arm. Recovery of motor-evoked potentials occurred earlier in endurance athletes (20 min) than in control participants (30 min) and resistance athletes (>30 min). Dexterity and maximum voluntary contraction of the biceps for the non-exercised arm were not depressed in any group. In a separate session, the limit of endurance time for the biceps was reduced significantly following exhaustive exercise of the biceps of the other arm for resistance athletes and control participants, whereas there was no change in the endurance athletes. Our findings suggest that athletic training has an effect on the mechanism of central fatigue that may be specific to the nature of training. 相似文献
77.
We investigated alexithymia and the fluctuation of anxiety in skydiving women. Alexithymia significantly moderated the pre- to postjump fluctuation of state anxiety such that only alexithymic skydivers' anxiety diminished as a consequence of performing a skydive. This suggests that skydiving is an effective means of emotion regulation for alexithymic women. However, the significant rise in anxiety shortly after landing suggests that any emotional benefits are short-lived. No anxiety fluctuations emerged for nonalexithymic skydivers. The Alexithymia x Time interaction remained significant when controlling for age, experience, and trait anxiety. Results are discussed in terms of the potential dependence on risk-taking activities for alexithymic women. 相似文献
78.
Code of practice for the pastoral care of international students: making a globalising industry in New Zealand 总被引：1，自引：0，他引：1
Nicolas Lewis 《Globalisation, Societies & Education》2005,3(1):5-47
Export education in New Zealand has grown rapidly since 1990, earning significant foreign exchange and underwriting the finance of domestic education. As principal owner of education institutions, the national state is the primary investor. Previous governments treated the ‘industry’ as both windfall and cash‐cow as they advanced the neo‐liberal project of disentangling state from economy and making education providers self‐regulating. The current ‘Third Way’ inspired government has adopted a more prominent management interest in the making of this globalising industry. A new Code of Practice enacts multiple technologies of control from quality control to standard setting, benchmarking, certification and audit. Legitimated by a discourse of concern for the pastoral care of school‐aged students, it requires institutions to provide detailed information. The Code makes ‘the industry’ visible, makes a market, controls brand NZ education, regulates through consumer assurance, and imposes direct disciplinary controls on institutions. The Code of Practice makes apparent the ambitions and governmental technologies of the ‘augmented’ neo‐liberal state, and is a pivotal structure in the constitution of the industry and of the globalising processes that define it. The paper uses governmentality analysis to uncover these technologies of control and to consider their part in the constitution of both industry and globalisation. 相似文献
79.
The Anishinaabe Seven Fires Creation Story can be read as a theory on which all human beings share a fundamental love of reflecting reality in what they think and do. In this article, Marc Kruse, Nicolas Tanchuk, and Robert Hamilton argue that this ethical theory is correct but that the colonial ideology taught in our schools can obscure our knowledge of this fact. Specifically, the authors claim that decolonizing education requires teaching students and teachers alike to see the presence of value whenever they encounter other beings animated by a responsiveness to reality. All living things strive to perceive and respond to reality — to live and continue to learn — even if epistemic faculties differ. All living things, then, the authors conclude, are rightly seen as our relatives and kin, as bearers of value to whom we owe moral respect, as Anishinaabe elders have long taught. 相似文献
80.