INTRODUCTION Exercise induces renal hemodynamic alterations and stimulates electrolytes excretion. The purpose of this study was to assess urinary excretion of sodium and potassium in karate practitioners, following competitions. MATERIALS AND METHODS The study population composed of 18 healthy men, aged 18 to 21 years, with similar physical characteristics. They were professional karatekas w...

?The patient J., a Hindu male, aged 38, married, was working as a ward servant and was admitted for treatment of giddiness, of one week's duration. 23rd August. On admission his pulse was 100 and spiration 28 per minute, and temperature 98?F. ere was nothing particular about his family history, personal history and previous illnesses. About a week e ore admission he scratched his right ear with...

BACKGROUND Player activities in soccer matches are influenced by the match result and match venue. It is not known whether injury rates are influenced by these factors. PURPOSE To investigate whether there are associations between injury rates and the match result, venue, and type of competition in male soccer. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS Twenty-six profession...

Engagement has been defined as “the harnessing of organization members’ selves to their work roles” (Kahn, 1990, p. 694). The main objective of this paper is to present the topic of engagement to performance improvement professionals. Specifically, this paper includes (a) engagement definitions and (b) job, organizational, leadership, and individual factors connected to engagement. Next, the au...

End-to-end integrity for documents is provided by wrapping the tools that manipulate those documents and mediating their operation to cryptographically integrity mark those documents as they are being saved, to check those cryptographic integrity marks as those documents are loaded, and to record an application-level history of the changes to the document. Corrupted documents (those failing to ...

This article is a commentary on the life history approach, which specifically described aspects of and offered suggestions for conducting life history research with adolescents. The life history approach is well suited to a wide variety of types of health-related inquiry. In this article, the author used an exemplar study to show how well the life history approach was suited for questions regar...