نتایج جستجو برای: limb
تعداد نتایج: 71521 فیلتر نتایج به سال:
Objectives: The effect of variation in contraction force is one of the most important factors in the organization and execution of reaction time (RT) tasks that most of elderly people involved it when they became obese. The present experiment was designed to test the Effect of limb weight varying on pre-motor and motor components of simple and discriminative reaction time in elderly men. Met...
Background & Aims: Osteosarcoma is one of the most prevalent malignant bone tumors . This study is designed to assess the prognostic effect of pathologic fracture and treatment options on survival of patients with osteosarcoma. Materials & Methods: In this study, prognosis of 106 patients with limb osteosarcoma, which were treated at three hospitals in Tehran from April to August 2012 ...
Objective: The aim of this study was to investigate the effect of a combined and core stability training program with protective measures on selected variables of physical fitness of junior and young volleyball players during the coronavirus pandemic. Methods: 15 male volleyball players [18±1.06 yrs.] after the end of the first quarantine period and then after a 12 weeks period of combined an...
Single superficial femoral artery (SFA) aneurysm is rare and occurs in approximately 5 per 100,000 patients. Rupture is a rare complication in this aneurysm. In this case report, we present the diagnostic and therapeutic work up of a ruptured SFA aneurysm of the right lower limb in a 75-year-old diabetic man with ischemic heart disease. Pre-surgical diagnosis was through physical examination fi...
Although physiological tremor has been extensively studied within a single limb, tremor relationships between limbs are not well understood. Early investigations proposed that tremor in each limb is driven by CNS oscillators operating in parallel. However, recent evidence suggests that tremor in both limbs arises from shared neural inputs and is more likely to be observed under perturbed condit...
In a chart review 31 traumatic knee dislocations were identified in 30 patients during an eight year period (1992-2000).Fifteen dislocations (48.4%) were posterior,seven anterior,eight occult and one medial.out of the five cases of vascular injuries three happened with posterior dislocations and in four patients associated ipsilateral limb injuries were present .the general incidence of simulta...
Abstract Nevus comedonicus is a rare skin disease with a pilosebaceous apparatus often involving areas such as face, neck and chest. It forms closely arranged follicles in a specific zone. A case of extensive unilateral nevus comedonicus in left lower limb with unilateral external genitalia area and left lower abdomen is reported in a 14 year-old girl. This is a rare case since its diffuse s...
Limb regeneration is observed in certain members of the animal phyla. Some animals keep this ability during their entire life while others lose it at some time during development. How do animals regenerate limbs? Is it possible to find unifying, conserved mechanisms of limb regeneration or have different species evolved distinct means of replacing a lost limb? How is limb regeneration similar o...
Limb development has long been a model system for studying vertebrate pattern formation. The advent of molecular biology has allowed the identification of some of the key genes that regulate limb morphogenesis. One important class of such genes are the homeobox-containing, or Hox genes. Understanding of the roles these genes play in development additionally provides insights into the evolution ...
We can precisely control only what we can sense. Sensing limb position or limb movement is essential when we precisely control our limb movements. It has been generally believed that somatic perception takes place in the neuronal network of somatosensory areas. Recent neuroimaging techniques (PET, fMRI, transcranial magnetic stimulation) have revealed in human brains that motor areas participat...
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