Dynamic stability evaluation of trunk accelerations during walking in blind and sighted individuals.

Background: Dynamic stability is a fundamental goal in standing activities. In this regard, monitoring, analysis, and interventions made to improve stability is a research topic investigated in the biomechanics of human movements. Vision has a major role to play in controlling human movement.

The spatiotemporal gait parameters among people with visual impairment: A literature review study.

Gait is an individual's walking pattern, and it is a significant part of daily living activities. Quantitative gait assessments, like spatiotemporal parameters (STPs), are related to the functional conditions to provide useful information. This study reviewed the comprehensive differences in spatiotemporal gait variability measures between visually impaired people and the sighted.

Development and validation of a white cane use perceived advantages and disadvantages (WCPAD) questionnaire.

Background: The white cane is globally an important tool in orientation and mobility for blind and visually impaired people, but it is not often used. The goal of this study was to develop and validate the white cane use perceived advantages and disadvantages (WCPAD) questionnaire for detecting effective factors in the use or non-use of canes.

Method: The initial questionnaire items were extracted through semi-structured interviews with 21 blind or severely impaired vision individuals under two main themes, the perceived advantages, and disadvantages of using a white cane.

Assessment of the effects of white cane variables on step symmetry of blind individuals.

Background: Step symmetry is an important feature of human gait and is often regarded as a key index of healthy individuals' walking. This study evaluated the effects of height, white cane technique, and cane tip on symmetrical gait in blind individuals.

Materials And Methods: Twenty blind and ten sighted subjects, aged 15-38 years, participated in this study.

Persian version of the work design questionnaire: measurement of its psychometric characteristics.

Background: Work design questionnaire (WDQ), as a comprehensive and integrative tool, is one of the most important instruments frequently used to assess work characteristics. The aim of this study was to measure the psychometric characteristics of the Persian version of WDQ.

Methods: Translation and cross-cultural adaptation procedures were applied in translating the original WDQ into Persian.

Subjective and objective survey of office lighting: effects on alertness, comfort, satisfaction, and safety.

Background: Lighting is one of the workplace factors that can relevantly impact workers' health, performance, safety, and job satisfaction. Brightness, natural light and color temperature are the factors that affect the quality of lighting. This study involved subjective and objective evaluation of office lighting and its effects on workers' alertness, comfort, satisfaction, safety, and performance in a prominent government office.