Grant R. McMillan

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The current method of visualizing pressure and shear data under a subject's foot during gait is the Pedotti, or "butterfly" diagram. This method of force platform data visualization was introduced in the 1970s to display the projection of the ground reaction force vector in the sagittal plane. The purpose of the current study was to examine individual(More)
It has been asserted that employment as a welder is associated with an excess risk for the neurological disorder of manganism and development of Parkinson's disease at an earlier than usual age. It has been suggested that this may be due to absorption of manganese in emissions from welding processes. In this paper, the second of two parts (part one in "(More)
It has been asserted that employment as a welder is associated with an excess risk for the neurological disorder of manganism and development of Parkinson's disease at an earlier than usual age. It has been suggested that this may be due to absorption of manganese in emissions from welding processes. In this two part paper sources of exposure to manganese,(More)
In devastating neurological disorders, such as quadriplegia resulting from high-level spinal cord injury, it is essential to focus on functions that have been spared and optimally exploit them to enhance the individual's quality of life. It follows that certain muscles, which prior to the paralysis of much of the rest of the body seemed to have no useful(More)
An acrylic head enclosure, permitting rapid exchanges of atmospheric gases, was developed for investigations of physiologic and performance responses of small nonhuman primates to graded hypoxic hypoxia and hypercapnia. The total system included a neck yoke plate which served both as a physical barrier to arm and hand movements in the head area and as a(More)
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