Topic
Stair climbing
About: Stair climbing is a research topic. Over the lifetime, 1610 publications have been published within this topic receiving 30504 citations.
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TL;DR: It appears that exposure to point of choice prompts can encourage pedestrians to climb stairs when they are encountered in a subsequent setting, and stair-climbing interventions are likely to engage the public in more physical activity than previously realized.
Abstract: Purpose. Studies report a significant increase in stair use when message prompts are introduced at the “point of choice” between stairs and escalators. Climbing one set of stairs, however, will not confer meaningful health dividends. Therefore, this study examined whether exposure to point of choice prompts also encouraged individuals to climb the next set of stairs that they encountered. Design. Interrupted time-series design. Settings. Two separate stair/escalator pairings within a U.K. shopping mall (the “intervention” site and the “generalization” site), separated by a 25-m long atrium. Subjects. Ascending pedestrians (intervention site n = 29,713; generalization site n = 47,553). Interventions. Two weeks of baseline monitoring were followed by a 13-week intervention in which banners carrying health promotion messages were introduced at the intervention site only. Measures. At both sites observers inconspicuously recorded pedestrians' methods of ascent, along with their gender, age, ethnicity...
52 citations
Patent•
25 Sep 1991
TL;DR: In this article, an apparatus for simultaneous upper body exercise and lower body exercise is provided, with step-down gears and resistance to motion of the handles and pedals controlled so as to produce substantially isokinetic exercise.
Abstract: An apparatus for simultaneous upper body exercise and lower body exercise is provided. The lower body exercise is of a stairclimbing simulation type. Movement of the upper body exercise handles and lower body exercise pedals are independent from one another. Resistance to motion of the handles and pedals is provided and controlled so as to produce substantially isokinetic exercise. Step-down gears are provided so that a similar amount of upper body effort and lower body effort is perceived by the exerciser.
51 citations
TL;DR: In this paper , the effects of human physiological activity levels on the fatigue life of a porous magnesium scaffold have been investigated, based on daily physiological activities, which include walking, running and climbing stairs, with strains reaching 1000-3500 µm/mm.
Abstract: In the present study, the effects of human physiological activity levels on the fatigue life of a porous magnesium scaffold have been investigated. First, the dynamic immersion and biomechanical testing are carried out on a porous magnesium scaffold to simulate the physiological conditions. Then, a numerical data analysis and computer simulations predict the implant failure values. A 3D CAD bone scaffold model was used to predict the implant fatigue, based on the micro-tomographic images. This study uses a simulation of solid mechanics and fatigue, based on daily physiological activities, which include walking, running, and climbing stairs, with strains reaching 1000–3500 µm/mm. The porous magnesium scaffold with a porosity of 41% was put through immersion tests for 24, 48, and 72 h in a typical simulated body fluid. Longer immersion times resulted in increased fatigue, with cycles of failure (Nf) observed to decrease from 4.508 × 1022 to 2.286 × 1011 (1.9 × 1011 fold decrease) after 72 hours of immersion with a loading rate of 1000 µm/mm. Activities played an essential role in the rate of implant fatigue, such as demonstrated by the 1.1 × 105 fold increase in the Nf of walking versus stair climbing at 7.603 × 1011 versus 6.858 × 105, respectively. The dynamic immersion tests could establish data on activity levels when an implant fails over time. This information could provide a basis for more robust future implant designs.
51 citations
TL;DR: Findings suggest that the prompt was effective in increasing physical activity in diverse settings, and increases were maintained at 9 months.
51 citations