نتایج جستجو برای: stair stepping
تعداد نتایج: 10318 فیلتر نتایج به سال:
Background: Frontal plane knee kinematics are more likely associated with the development or progression of knee osteoarthritis. However, detailed frontal plane knee kinematics remain unclear. Previous studies examined movement during gait, squatting or stair stepping which allowed compensatory motion. However, biomechanical parameters in gait analyses can be modified. Therefore, we analyzed mo...
Background. Patellofemoral osteoarthritis (PF OA) is a leading cause of significant pain and disability of the knee joint. Stair climbing dysfunction is commonly reported in this cohort. Objectives. To compare the temporal muscle activation between females with PF OA and healthy controls during stair ascent and decide whether there is a link between altered core activity and Patellofemoral oste...
BACKGROUND Stair climbing is a vigorous activity and can lead to several health benefits. Studies seeking to increase stair climbing in various public locations have shown positive effects, while results from similar studies conducted in the workplace are inconclusive. This study examined stair climbing in the workplace, and monitored effects from a single- and a combined intervention. Interven...
The parts produced by additive manufacturing are inherently subjected to discretization effects due their layer-based addition. stair-stepping effect on the surface quality is inevitable for most of techniques and it becomes more dominant regions having small inclinations. influences mechanical properties as well aesthetic perception. Many researchers have been presented several approaches over...
Printing curved lattice structures is a demanding task due to the current limitations in standard 3-axes printing technologies available market: removable support structure often needs be printed, and layer-by-layer generate an inclined surface causes significant stair-stepping effect, affecting quality leading anisotropy physical properties. To overcome these limitations, connection of unit >3...
Considerable surface texture is one of the typical drawbacks laser powder bed fusion (LPBF). Especially up-facing inclined surfaces suffer from insufficient quality, due to combination staircase effect (also called stair-stepping effect), attached particles and elevated edges (edge effect). In this work, contribution edge topography investigated in detail for first time. Moreover, contour scann...
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