نتایج جستجو برای: relative motion

تعداد نتایج: 589335  

Journal: :Transactions of the Japan Society of Mechanical Engineers 1940

Journal: :JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 2009

Journal: :Spatial vision 2009
Sandhitsu R Das Maciej T Lazarewicz Robert C Wilson Leif H Finkel

Psychophysical experiments are described that measure the sensitivity to motion features in point light displays of biological motion. Three motion features were investigated: the relative motion of the thighs, the relative motion of the thigh and leg, and the velocity profile of the leg. The perceptual threshold for discriminating a change in each motion feature was compared in upright and inv...

غیاثی , فاطمه, معروفی , نادر, نوربخش , محمدرضا,

Background and purpose: Reports of pattern motion between lumbar spine and hip vary for stoop, loading conditions or the pathology present, such as chronic back pain. Therefore, the purpose of this study was to compare the relative contribution of the hip joint and lumbar spine during stoop lifting in subjects with and without a history of low back pain. Materials and Methods: This clinica...

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