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OBJECTIVE This study was undertaken to evaluate the environmental exposure to polycyclic aromatic hydrocarbons (PAHs) in nonsmoking adult subjects living in the vicinity of a creosote impregnation plant in Delson, Canada. Urinary metabolites of naphthalene, alpha- and beta-naphthol, and pyrene metabolite 1-hydroxypyrene (1-OHP), were used as biomarkers of(More)
We searched for the consequences of a maximal static foot inversion sustained until exhaustion on the post-exercise stationary upright standing and the proprioceptive control of the foot muscles. Twelve healthy subjects executed an unilateral maximal static foot inversion during which continuous power spectrum analyses of surface electromyograms of the(More)
Insoles are known to alter plantar loads and thus plantar sensory input. We therefore hypothesised that plantar somatosensory sensation could be modified over time by use of hard metatarsal pads. A sample of 12 healthy female participants was randomly allocated to either soft metatarsal pads (n=6, latex foam, Shore A11) or hard metatarsal pads groups (n =(More)
OBJECTIVE We compared the differences in the braking response to vehicle collision between an active human emergency braking (control condition) and cruise control (CC) or adaptive cruise control (ACC). METHODS In 11 male subjects, age 22 to 67 years, we measured the active emergency braking response during manual driving using the accelerator pedal(More)
BACKGROUND The objective of the study is to estimate the exposure to pyrene, an indicator of polycyclic aromatic hydrocarbons (PAHs) in the general environment, by using the internal dose of 1-hydroxypyrene (1-OHP) among people living nearby an aluminium smelter in the Montérégie area, Province of Québec, Canada. METHODS This cross-sectional study was(More)
The six-minute walk test (6MWT) is used to evaluate the ambulatory capacity of patients suffering from respiratory disorders, obesity or neuromuscular diseases. Our primary aim was to evaluate the effects of the 6MWT on the postural sway and the ankle plantar flexion forces in healthy subjects. We measured the ankle plantar flexion forces and the plantar(More)
Formulating the hypothesis that a maximal running exercise could induce fatigue of some foot muscles, we searched for electromyographic (EMG) signs of fatigue in the tibialis anterior (TA), peroneus longus (PL), and gastrocnemius medialis (GM) muscles. We also searched for post-exercise alterations of the stationary upright standing in normal-arched feet(More)
BACKGROUND Podiatric physicians are increasingly using pedobarographs to measure plantar pressure. However, normal values of static pedobarographic variables for healthy men and women are lacking, which makes it difficult to evaluate abnormal foot positioning in standing patients with low- or high-arched feet or painful feet. METHODS During upright(More)
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