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A multivariable scatterplot smoother AgEcon
Royston, Patrick; Cox, Nicholas J..
We present an extension of Sasieni, Royston, and Cox’s bivariate smoother running to the multivariable context. The software aims to provide a picture of the relation between a response variable and each of several continuous predictors simultaneously. This may be a valuable tool in exploratory data analysis, before constructing a more formal multiple regression model.
Tipo: Journal Article Palavras-chave: Mrunning; Running; Scatterplot smoothing; Multivariable regression analysis; Running line; Research Methods/ Statistical Methods.
Ano: 2005 URL: http://purl.umn.edu/117529
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Energy system contribution in a maximal incremental test: correlations with pacing and overall performance in a 10-km running trial BJMBR
Damasceno,M.V.; Pasqua,L.A.; Lima-Silva,A.E.; Bertuzzi,R..
This study aimed to verify the association between the contribution of energy systems during an incremental exercise test (IET), pacing, and performance during a 10-km running time trial. Thirteen male recreational runners completed an incremental exercise test on a treadmill to determine the respiratory compensation point (RCP), maximal oxygen uptake ( V ˙ O 2 max), peak treadmill speed (PTS), and energy systems contribution; and a 10-km running time trial (T10-km) to determine endurance performance. The fractions of the aerobic (WAER) and glycolytic (WGLYCOL) contributions were calculated for each stage based on the oxygen uptake and the oxygen energy equivalents derived by blood lactate accumulation, respectively. Total metabolic demand (WTOTAL)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aerobic metabolism; Running; Maximal oxygen uptake; Anaerobic metabolism; Endurance performance.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2015001101048
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Physical exercise prevents motor disorders and striatal oxidative imbalance after cerebral ischemia-reperfusion BJMBR
Sosa,P.M.; Schimidt,H.L.; Altermann,C.; Vieira,A.S.; Cibin,F.W.S.; Carpes,F.P.; Mello-Carpes,P.B..
Stroke is the third most common cause of death worldwide, and most stroke survivors present some functional impairment. We assessed the striatal oxidative balance and motor alterations resulting from stroke in a rat model to investigate the neuroprotective role of physical exercise. Forty male Wistar rats were assigned to 4 groups: a) control, b) ischemia, c) physical exercise, and d) physical exercise and ischemia. Physical exercise was conducted using a treadmill for 8 weeks. Ischemia-reperfusion surgery involved transient bilateral occlusion of the common carotid arteries for 30 min. Neuromotor performance (open-field and rotarod performance tests) and pain sensitivity were evaluated beginning at 24 h after the surgery. Rats were euthanized and the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Stroke; Striatum; Locomotion; Oxidative stress; Antioxidants; Running.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2015000900798
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