Research ArticleOpen accessIn the abstractThe Changes of Some Electrolytes after Two Months ActivityM. J. Pourvaghar, A. R. ShahsavarSome investigators have speculated that sodium chloride losses in sweat associated with net dehydration may lead to the observed hyponatremia after prolong strenuous exercise. The effects of altered hydration can influence athletes cognitively in addition to physically. In this research, rest alterations of sodium and potassium of blood serum have been investigated. The subjects were male students who have been … …Journal of Social Sciences, Vol. 4, Issue 4 · 31 Dec 2008 · 7,935 accessesView PDFCite
Research ArticleOpen accessIn the abstractProgressive Resistance Training on Elderly HIV+ Patients: Does it Work?Paula Maria Loiola De Souza, Wilson Jacob Filho, José Maria Santarém et al.Elderly people present significant alterations on body composition and physical fitness, compromising their quality of life. Chronic diseases, including HIV/AIDS, worsen this situation by increasing aging effects on body composition and muscle strength. Resistance exercises are prescribed by major health organizations for improving fitness and promoting a shift towards a healthier and more independent aging. In addition, recovering strength and … …American Journal of Infectious Diseases, Vol. 4, Issue 4 · 31 Dec 2008 · 6,740 accessesView PDFCite
Research ArticleOpen accessIn the abstractUsing the Spreadsheet to Understand Random Sampling Procedures in Relation to the Central Limit TheoremRamzi Naim NasserIn many statistics courses in colleges and universities, random sampling has not been presented to students through a hands-on and practical approach. This research described a real-life method to random sampling was used as an exercise in the statistics class. The method allowed students to recursively select 5, 10, 20, 30, 40, 50, 60 and 70 samples and list these … …Journal of Mathematics and Statistics, Vol. 4, Issue 3 · 30 Sep 2008 · 6,977 accessesView PDFCite
Research ArticleOpen accessIn the abstractMitochondrial Energy-Deficient Endophenotype in AutismJ. Jay Gargus, Faiqa ImtiazWhile evidence points to a multigenic etiology of most autism, the pathophysiology of the disorder has yet to be defined and the underlying genes and biochemical pathways they subserve remain unknown. Autism is considered to be influenced by a combination of various genetic, environmental and immunological factors; more recently, evidence has suggested that increased vulnerability to oxidative stress may be … …American Journal of Biochemistry and Biotechnology, Vol. 4, Issue 2 · 30 Jun 2008 · 11,507 accessesView PDFCite
Research ArticleOpen accessIn the abstractLipid Profile of Gymnasts of the Jordan National TeamAhmad Bani Ata, Kamal Mansi, Talal AburjaiThis study was carried out to assess the lipid pattern in gymnasts of the Jordan National Team. Twelve athletes represent the National gymnastic team (4 males and 8 females, mean age 18±1 year) were included in this study. The training period for them is not less eight years during which they trained 18 hours weekly at least. A group of … …American Journal of Applied Sciences, Vol. 5, Issue 6 · 30 Jun 2008 · 7,531 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Ethical Appraisal of Hormesis: Towards a Rational Discourse on the Acceptability of Risks and BenefitsOrtwin RennIt is ethically mandated that potential beneficial aspects of low exposure to potentially hazardous material are incorporated in the risk-benefit balancing procedure. The potential harm done by pollutants does not justify the invocation of a categorical principle. Minimisation of risk is not required if health benefits are also at stake. Society needs to find an informed consent on the threshold … …American Journal of Pharmacology and Toxicology, Vol. 3, Issue 1 · 31 Mar 2008 · 7,078 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Influence of Consumers Behavior on the Variables Determining Residential Property Values in Lagos, NigeriaM.O. Bello, V.A. BelloThe objective of this study was to assess the influence of consumer behaviour on the variables determining residential property values in Lagos metropolis and how Nigerian valuers are incorporating these in their valuation exercise. The survey which was carried out within a period of three months (January, February and March 2006) involved buyers and valuers which participated in the sales … …American Journal of Applied Sciences, Vol. 4, Issue 10 · 31 Oct 2007 · 7,206 accessesView PDFCite
Research ArticleOpen accessIn the abstractDC Motor Control Predictive ModelsRavinesh Singh, Godfrey C. Onwubolu, Krishnileshwar Singh, Ritnesh RamDC motor speed and position controls are fundamental in vehicles in general and robotics in particular. This study presents a mathematical model for correlating the interactions of some DC motor control parameters such as duty cycle, terminal voltage, frequency and load on some responses such as output current, voltage and speed by means of response surface methodology. For this exercise, … …American Journal of Applied Sciences, Vol. 3, Issue 11 · 30 Nov 2006 · 7,015 accessesView PDFCite
Research ArticleOpen accessIn the abstractImpact of Comic Video Clips on English Language Learners Listening ComprehensionBahman Gorjian, Mitra MohammadiTechnology-enhanced language learning has attracted educational practitioners' attention, especially in the post-COVID-19 pandemic era. This study aimed to explore the effect of using comedy video clips on EFL learners' listening via a quasi-experimental design with a pretest, posttest and intervention. The participants of the study were randomly selected among the university learners enrolling in English language lab courses. Learners' homogeneity … …Journal of Social Sciences, Vol. 20, Issue 1 · 22 Jun 2024 · 5,142 accessesView PDFCite