To assess the validity and the reproducibility of a newly developed web-based, self-administered food frequency questionnaire (web-FFQ). To the best of our knowledge, no web-based FFQ has been ...

The purpose of this study was to determine the validity and reliability of the Persian version of the Vividness of the Movement Imagery Questionnaire 2 (VMIQ-2). In the first stage validity and ...

The main findings of the present study were that the agreement, reliability and construct validity of the questionnaires examined are acceptable. Differences in agreement between the questionnaires ...

Background Novel treatment interventions are advancing rapidly in the management of hip and groin disability in the physically active young to middle-aged population. Objective To recommend the most ...

The present diet part involves questions on intake of food groups such as milk and dairy products, bread, meat, fish, fruits and vegetables. It also involves questions on selective food intake such as ...