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Relative Aerobic Load of Daily Activities After Stroke
CONCLUSION: Individuals after stroke experience a high relative aerobic load during cyclic daily-life activities, despite adopting a slower movement pace than peers with no impairments. Perhaps individuals after stroke limit their movement pace to operate at sustainable relative aerobic load levels at the expense of pace and economy.IMPACT: Improving aerobic capacity through structured aerobic training in a rehabilitation program should be further investigated as a potential intervention to improve mobility and functioning after stroke.PMID:37172129 | PMC:PMC10071588 | DOI:10.1093/ptj/pzad005
Source: Health Physics - May 12, 2023 Category: Physics Authors: Ilse J Blokland Linda F A Schiphorst Jessie R Stroek Floor P Groot Coen A M van Bennekom Jaap H van Dieen Jos J de Koning Han Houdijk Source Type: research

Effects of wing shape, aspect ratio and deviation angle on aerodynamic performance of flapping wings in hover
Thisnumerical study is focused on assessing the effect on theaerodynamic hovering performance of wing shapes defined by the radius of the first moment of the wing area (r1¯) and aspect ratio (AR). In addition, the effect of introducing a deviation angle in thekinematics is examined. The performance ofr1¯=0.43, 0.53, and 0.63 wings with AR of 1.5, 2.96, 4.5, and 6.0 is investigated atReynolds numbers (Re) = 12, 400, and 13 500. The performance trends of the wing shapes have been observed to be independent of Re for both 2-angle and 3-anglekinematics. This is because high suctionpressures associated with the leading-edgevo...
Source: Physics of Fluids - November 2, 2016 Category: Physics Authors: Aamer Shahzad, Fang-Bao Tian, John Young and Joseph C. S. Lai Source Type: research