نتایج جستجو برای: stair
تعداد نتایج: 2033 فیلتر نتایج به سال:
OBJECTIVE We performed a literature review with the main aims to propose an updated overview of the effectiveness of stair-use interventions and to determine the most effective type of intervention. METHODS We systematically searched stair-use interventions performed in worksites or public settings, published up to mid 2013. We used a harvest plot approach to visualize the findings in additio...
BACKGROUND Preoperative evaluation of lung resection candidates with impaired pulmonary reserves includes measurement of aerobic capacity. Stair climbing is an attractive low-cost alternative to treadmill exercise testing but it lacks standardisation. OBJECTIVES To directly compare stair climbing and treadmill exercise testing with respect to an established cut-off value for lung resection. ...
[Purpose] Currently, the six-minute walk distance (6MWD) is used to evaluate exercise capacity in people following lung resection for non-small cell lung cancer. However, it is unclear whether the 6MWD can detect changes in cardiorespiratory fitness induced by exercise training or lung resection. Conversely, the stair-climbing test is used frequently for the preoperative evaluation of lung rese...
This study aimed to compare gait properties during level walking and during stair ascent and descent with varying loads. Fifteen healthy young men (mean age: 22.1 ± 1.6 years) walked while holding four different loads relative to each subject’s body mass (0, 20, 40 and 60% of body mass: BM) on their backs. Stance time, swing time, and double support times were selected as gait parameters. All p...
Air consumption, oxygen uptake (VO(2)), carbon dioxide output (VCO(2)) and respiratory exchange ratio (RER=VCO(2)/VO(2)) were measured directly from the self-contained breathing apparatus (SCBA) as 36 professional firefighters (three women) completed scenarios of high-rise stair climbing and fifth floor search and rescue. During stair climbing VO(2) was 75+/-8% VO(2max) (mean+/-SD), RER=1.10+/-...
BACKGROUND Few studies have reported the biomechanical aspects of stair climbing for this ergonomically demanding task. The purpose of this ethically approved study was to identify normal functional parameters of the lower limb during stair climbing and to compare the actions of stair ascent and descent in young healthy individuals. METHODS Thirty-three young healthy subjects, (16 M, 17 F, ra...
Stair climbing has become a popular form of training for athletes as well as non-athletes. Considering that there are a plethora of devices for stair climbing, how does a person decide which apparatus to use? Aside from issues of practicality, much of the decision could be based on the principles of specificity of training. That is, for maximum transfer of benefits from one activity to another,...
OBJECTIVE To test the hypothesis that individuals who respond favorably to bracing will exhibit decreased patellofemoral joint stress during stair ambulation. DESIGN A repeated-measures, cross-sectional study. BACKGROUND Ascending and descending stairs is one of the most painful activities of daily living for persons with patellofemoral pain (PFP). Although patellar bracing has been shown t...
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