literature concerning the effects of ramadan fasting on sports performance presents conflicting results. in this context, some studies reported a significant impairment of sports performance during the month of ramadan. however, other studies suggested that ramadan fasting has no significant effect on physical performance.  the discrepancies between the studies could be explained by time-of-day...

purpose to verify whether active recovery (ar) applied after a kickboxing match resulted in better performance in anaerobic tests when compared to passive recovery (pr). methods eighteen kickboxers volunteered to participate on a kickboxing match preceded and followed by anaerobic tests: squat jump (sj), the counter movement jump (cmj) and the upper-body wingate test. blood lactate (bl), heart ...

in the last decades an increasing number of clubs, associations, and partnerships behind professional team sports have become business enterprises as well; as regards their income and number of employees, there are numerous companies managing sports clubs in the medium sized enterprise sector. by nature of being businesses that manage sports, successful performance is usually the number one str...

the overtraining syndrome (ots) is a physically debilitating medical condition that results in athletes being totally compromised in their capacity to perform and compete. many physiological systems are affected by the process of overtraining and the development of the ots which results from it; but one system in particular, the immune, is highly susceptible to degradation resulting in a reduct...

physical education being applied in nature, the role of scientific research has been widely challenged in this field. applying a bibliometric analysis method, the present study tries to investigate scientific achievement in sports and exercises and examine its relation to practical performance, using scholarly papers indexed in isi as substitutes of scientific productivity and medals won in oly...

abstract the aim of this study was to validate and localize lawson’s (2002) knowledge management and winand et al. (2009) performance models and to determine their effects and relationships in iran sports federations. this study was a descriptive-correlation research. the population included presidents, vice presidents, general secretaries, committee managers and experts in all sports federatio...

In this note statistical approaches to modelling sporting performances are discussed. Final year projects based on such modelling have proved popular in the past. With the upsurge in interest in the next Olympic Games in London in 2012, such modelling could provide teachers of statistics with a rich source of meaningful student projects. Students may be more motivated to do such projects simply...

vitamin d deficiency is a worldwide epidemic, with well known impacts on calcium metabolism and bone health, but increasingly recognized associations with chronic health problems such as bowel and colonic cancer, arthritis, diabetes and cardiovascular disease. in recent years in the sports medicine literature, there has been an increased focus on the potential impact that inadequate vitamin d l...

one of the actions needed to be taken towards the growth and expansion of entrepreneurship is to provide grounds for creation of entrepreneurial culture in a community. entrepreneurial culture is a collection of values, attitudes, norms, and behaviors   which form the identities of entrepreneurs. the principal objective of this research is to investigate the effect of entrepreneurial attitude o...

anxiety of sports is one of the variables which is closely related to sports performance and happens in sports competitions. considering the negative effects of competitive anxiety on performance of athletes this study tries to compare competitive anxiety of amateur or professional female futsal players and its connection with self confidence and sports performance. the statistical population o...