نتایج جستجو برای: prehensile manipulation
تعداد نتایج: 62566 فیلتر نتایج به سال:
The orbicularis oris muscle plays a role in the production of primate facial expressions and vocalizations, nutrient intake, and in some non-human primates it is used as a prehensile, manipulative tool. As the chimpanzee (Pan troglodytes) is the closest living relative of humans, a comparison of the orbicularis oris muscle between these species may increase our understanding of the morphologica...
Arboreal animals with prehensile hands must balance the complex demands of bone strength, grasping and manipulation. An informative example of this problem is that of the aye-aye (Daubentonia madagascariensis), a rare lemuriform primate that is unusual in having exceptionally long, gracile fingers specialized for foraging. In addition, they are among the largest primates to engage in head-first...
Neuropsychological and neuroimaging data suggest a differential contribution of posterior parietal regions during the different components of a transitive gesture. Reaching requires the integration of object location and body position coordinates and reaching tasks elicit bilateral activation in different foci along the intraparietal sulcus. Grasping requires a visuomotor match between the obje...
Impairment of patients with cerebellar disease in prehension is well recognized. So far specific localizations within the human cerebellum associated with the impairment have rarely been assessed. To address this question we performed voxel-based lesion symptom mapping (VLSM) in patients with chronic focal cerebellar lesions in relation to specific deficits in prehensile movements. Patients wit...
Human genes have an important role in physical features, behavior and mental diseases. Accordingly, a human being on whom the genetic manipulation has been done would be different from others. Can s/he bring a civil or criminal claim against physicians? Does the genetic manipulation make any specialized right for likely victim? To analyze such physicians' responsibility, Firstly, related descri...
Grasping an object is a matter of first moving a prehensile organ at some position in the world, and then managing the contact relationship between the prehensile organ and the object. Once the contact relationship has been established and made stable, the object is part of the body and it can move in the world. As any action, the action of grasping is ontologically anchored in the physical spa...
U pper extremity loss represents a life-changing, often devastating event, affecting nearly every activity of daily living and subsequently leaving a patient with substantial disability. The potential immediate dependency and despair resulting from the loss of one or both hands cannot be overstated. Promising technological advances in upper extremity prostheses include improved neural-control i...
Effects of grazing low-endophyte (Acremonium coenophialum Morgan-Jones and Gams, less than 1% infection) Johnstone (J) or high-endophyte (60% infection) Kentucky-31 (K) tall fescue (Festuca arundinacea Schreb.) on grazing behavior and voluntary intake were studied. Six Angus steers (average initial BW = 326 kg) grazed 1.21-ha plots of each forage cultivar (three steers per cultivar) in four 28-...
Background: Frozen shoulder is a debilitating disease characterized by pain and progressive loss of motion in shoulder secondary to fibrotic inflammation of the joint capsule. The incidence is 2% in the general population, mostly affecting women 40 to 70 years of age. Therapeutic measures include physiotherapy, shoulder manipulation, corticosteroid injection and arthroscopic release. The purpos...
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