نتایج جستجو برای: current inversion condition
تعداد نتایج: 1107192 فیلتر نتایج به سال:
Ankle inversion sprains are the most frequent acute musculoskeletal injuries occurring in physical activity. Interventions that retrain muscle coordination have helped rehabilitate injured ankles, but it is unclear which muscle coordination strategies, if any, can prevent ankle sprains. The purpose of this study was to determine whether coordinated activity of the ankle muscles could prevent ex...
CONTEXT There is limited information on fatigue of the evertors on frontal plane joint position sense (JPS). OBJECTIVE To examine the effects of isokinetic concentric-eccentric fatigue of the evertors on frontal plane JPS of the ankle. DESIGN A2 x 4 factorial design. SETTING Research Laboratory. PATIENTS OR OTHER PARTICIPANTS 40 male and female healthy subjects. INTERVENTIONS JPS was ...
This paper presents a comparative analysis of the ability to recognize three mirror forms in visual and acoustic tasks: inversion (reflection on a horizontal axis), retrograde (reflection on a vertical axis) and retrograde inversion (reflection on both horizontal and vertical axes). Dynamic patterns consisting of five tones in succession in the acoustic condition and five square dots in success...
Chromosome painting in placental mammalians illustrates that genome evolution is marked by chromosomal synteny conservation and that the association of chromosomes 3 and 21 may be the largest widely conserved syntenic block known for mammals. We studied intrachromosomal rearrangements of the syntenic block 3/21 by using probes derived from chromosomal subregions with a resolution of up to 10-15...
Lateral ankle ligaments are injured by hyperinversion of the foot. Foot position is controlled by the lower limb muscles. Awareness of foot position is impaired by wearing shoes. We aimed to determine the influence of wearing shoes upon muscle activity. Sixty-two healthy subjects underwent the same measurements, barefoot and with standardized shoes in a random order. Electromyography (EMG) was ...
We predict streaming current inversion with multivalent counterions in hydrodynamically driven polymer translocation events from a correlation-corrected charge transport theory including charge fluctuations around mean-field electrostatics. In the presence of multivalent counterions, electrostatic many-body effects result in the reversal of the DNA charge. The attraction of anions to the charge...
generally, the measured secondary field data is inverted into resistivity using two principal models; the homogeneous half-space model and the layered half-space model. while the homogeneous half-space inversion uses single frequency data, the inversion is done individually for each of the frequencies used, the multi-layer 1d inversion is able to take the data of all frequencies available into ...
In this paper, a current-error-based iterative learning controller (ILC) with nonlinear is proposed to improve the position-tracking performance in permanent-magnet (PM) stepper motors. Our method comprises ILC for mechanical dynamics and current dynamics. A using variable structure designed obtain field-oriented control. This can cause PM motor become single-input single-output linear system a...
Event-related potential (ERP) studies have highlighted an occipito-temporal potential, the N170, which is larger for faces than for other categories and delayed by stimulus inversion of faces, but not of other objects. We examined how high-pass and low-pass filtering modulate such early differences between the processing of faces and objects. Sixteen grey-scale pictures of faces and cars were f...
BACKGROUND Attention deficit hyperactivity disorder (ADHD) is a complex condition with high heritability. However, both biochemical investigations and association and linkage studies have failed to define fully the underlying genetic factors associated with ADHD. We have identified a family co-segregating an early onset behavioural/developmental condition, with features of ADHD and intellectual...
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