BACKGROUND This study evaluated the effects of aclidinium bromide, a long-acting muscarinic antagonist indicated for maintenance treatment of chronic obstructive pulmonary disease (COPD), on exercise endurance, dyspnea, lung hyperinflation, and physical activity. METHODS In this randomized, double-blind, crossover study, patients with stable COPD and moderate-to-severe airflow limitation rece...

BACKGROUND Quadriceps muscle dysfunction is well confirmed in chronic obstructive pulmonary disease (COPD) and reported to be related to a higher risk of mortality. Factors contributing to quadriceps dysfunction have been postulated, while not one alone could fully explain it and there are few reports on it in China. This study was aimed to investigate the severity of quadriceps dysfunction in ...

Biorhythm is one of the latest topics in the field of identifying mind’s ergonomics. Of all the performances with which biorhythm deals is the physical performance. The purpose of present research is to study the effect of physical cycle of biorhythm on the designated factors of physical fitness among teenage volleyball players in the city of Qom. In the present field research, 30 people were...

BACKGROUND AND OBJECTIVES Medical school is stressful. Students commonly exhibit changes in dietary and physical activity patterns in response. We tracked measurements of physical fitness over 4 years in a cohort of students at the Uniformed Services University. METHODS Validated measures for specific components of physical fitness were measured in 170 students (94% of the Class of 2011) over...

Background & objectives: Today, accurate measurement of physical activity volume and assessment of physical fitness is necessary to promote community health. So, the purpose of this study was to investigate the prevalence of obesity and its relationship with physical fitness indices of Mashhad offices employees. Methods: A total of 3737 subjects aged 20 to 60 years (2559 men and 1178 women) we...

The research aims to investigate the effects of a Shintaido practice in terms of physical and psychological functioning in a group of elderly. Forty seniors, of both gender, with a mean age of (69 ± 6) years, self-sufficient and without highly invalidating diseases participated in the study. The experimental group (EG) attended the Shintaido physical training of 20 weeks (1 hour per session, tw...

This study investigated the relationship between leisure-time physical activity and physical fitness (cardiovascular fitness, body fat percentage, flexibility, muscle strength, and endurance) of 10th-grade male students in Oman. Data were collected from 330 students. All participants completed a descriptive questionnaire, a 1 mile walk/run test; a skinfold analysis of the chest, abdomen, and th...

BACKGROUND The mining industry has one of the highest occupational rates of serious injury and fatality. Mine staff involved with rescue operations are often required to respond to physically challenging situations. This paper describes the physical attributes of mining rescue personnel. METHODS 91 rescue personnel (34 +/- 8.6 yrs, 1.79 +/- 0.07 m, 90 +/- 15.0 kg) participating in the Queensl...

This article reviews the major physiological and performance effects of aerobic high-intensity and speed-endurance training in football, and provides insight on implementation of individual game-related physical training. Analysis and physiological measurements have revealed that modern football is highly energetically demanding, and the ability to perform repeated high-intensity work is of imp...