نتایج جستجو برای: repetitive motion
تعداد نتایج: 244995 فیلتر نتایج به سال:
The aim of this study was to test the role of the visual primary (V1) and the middle temporal area (V5/MT) in the illusory motion perception evoked by the Enigma figure. The Enigma figure induces a visual illusion that is characterized by apparent rotatory motion in the presence of a static figure. By means of repetitive transcranial magnetic stimulation (rTMS) we show that V5/MT is causally li...
in this study, the authors reported a case of woman with severe compulsion who became pregnant during the repetitive transcranial magnetic stimulation. we carried out repetitive transcranial magnetic stimulation and behavior therapy simultaneously after repeated medications' refraction. the patient received 20 sessions 1 hz repetitive transcranial magnetic stimulation in right dorsolateral...
Bank employees are at risk of musculoskeletal problems because of the physical and mental requirements of the job. Studies show that more than 60 percent of bank employees have been directly or indirectly involved in many factors, such as personal characteristics, conditions and workstations, stress and repetitive movements. The aim of this study was to evaluate the RULA and OCRA methods of ris...
Video analysis of difficult scenarios like dense crowds can highly benefit from the use of algorithms which model part of human attention. Interesting motion which is new or surprising can be computed on large groups of people based on a two step approach. A bottom-up attention model built upon motion rarity compared to the rest of the motion in the same frame and a top-down approach which inhi...
OBJECTIVE A new method is described for automatically quantifying repetitive hand activity with the use of digital video processing. BACKGROUND The hand activity level (HAL) is widely used for evaluating repetitive hand work. Conventional methods involving either a trained observer on- or off-site or manual off-site video analysis are often considered inaccurate, cumbersome, or impractical fo...
X nx1 system state matrix A nxn state transition matrix (possible time varying) Bnxm input matrix (possibly time varying) U mx1 input of system inputs Uideal mx1 matrix defining the input required to force perfect tracking. Xref nx1 matrix defining the path the states are to follow, periodic in time T. T The period of the repetitive motion: Xref(t)=Xref(t+T) W(t) Basis function for determining ...
The World Health Organization (WHO), recognizing the impact of ‘work-related’ musculoskeletal diseases, has characterized WMSD s as multifactorial, indicating that a number of risk factors contribute to and exacerbate these maladies (Sauter et al., 1993). The presence of these risk factors produced increases in the occurrence of these injuries, thus making WMSD s an international health concern...
As torso flexion and repetitive lifting are known risk factors for low back pain and injury, it is important to investigate lifting techniques that might reduce injury during repetitive lifting. By normalizing lumbar posture to a subject's range of motion (ROM), as a function of torso flexion, this research examined when subjects approached their range of motion limits during dynamic lifting ta...
This article presents a theoretical account relating thought speed to mood and psychological experience. Thought sequences that occur at a fast speed generally induce more positive affect than do those that occur slowly. Thought speed constitutes one aspect of mental motion. Another aspect involves thought variability, or the degree to which thoughts in a sequence either vary widely from or rev...
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