BACKGROUND Limited knowledge exists on injuries among professional alpine skiers. OBJECTIVE To describe the risk of injury and the injury pattern among competitive World Cup alpine skiers during the competitive season. METHODS Retrospective interviews were performed with all World Cup athletes from 10 nations at the end of the 2006-7 and 2007-8 winter seasons, and all acute injuries occurri...

the competitive state anxiety inventory (csai-2) is the most widely used instrument to measure competitive anxiety in the literature. the aim of this study was to examine the factorial validity and reliability of persian version of competitive state anxiety inventory-2 regarding intensity, direction, and frequency dimensions. the original form included 27 questions and 3 subscales including som...

...................................................................................... 5 Introduction ...................................................................................... 7 I. Technological structure of manufactured exports....... 11 II. World trade patterns............................................................. 17 III .Regional distribution of developing world exports.....

For many applications such as compliant, accurate robot tracking control, dynamics models learned from data can help to achieve both compliant control performance as well as high tracking quality. Online learning of these dynamics models allows the robot controller to adapt itself to changes in the dynamics (e.g., due to time-variant nonlinearities or unforeseen loads). However, online learning...

Selecting approaches with appropriate accuracy and suitable speed for the purpose of making decision is one of the managers’ challenges. Also investing decision is one of the main decisions of managers and it can be referred to securities transaction in financial markets which is one of the investments approaches. When some assets and barriers of real world have been considered, optimization of...

The current strategies of increasing work-life quality are being given special attention by both public and private organizations. These quality strategies have arisen because of the highly competitive environment. Also, a safe and healthy work environment that provides the opportunities for employees to enhance their loyalty, affiliation and love towards their work and organization is required...