But, these people will be able to fulfil this role if they have the requisite knowledge about the diet principles and the requirements of nutrients. The healthy diet includes solid as well as liquid food items. In order to compete with European and American teams the Saudi footballers will have to make good use of healthy food items. While carrying out a study for Business Insights, Siddika Jaffer (2008), find that the overall market for sports and energy drinks has seen immense growth in the European and US markets and this growth is expected to continue at a rate of about 5 percent till 2011. The study points out that the during the period 2001-06, the Spanish market for sports and energy drinks has witnessed the highest percentage of growth pegged at more than 13 percent. Nutrients help in sustaining the long term needs of training and short-term needs of competition (Hassapidou et al, 2003). It is believed that formal training with proper dietary intervention leads to a number of advantages in enhancing the performance of an athlete in aspects like physical performance, better protection against injuries, maintaining a stable stamina, and proper muscular growth. Therefore having updated information regarding the dietary principles suitable for sportspersons provides an edge to the coach. This study is an effort to analyse the knowledge level amongst the football players and the coaches in Saudi Arabia in general.
Literature review not only helps in going through the findings and conclusions of earlier researchers, it also helps in shaping a direction for the present research activity as well, because the researcher tends to get fair idea about the areas requiring particular focus. In this case also we are bound to come across a number of research papers about the necessity and usage of rich energy diets for sportspersons in general. It will our endeavour to go through some