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Université de Fribourg

Age-related decrease in motor cortical inhibition during standing under different sensory conditions

Papegaaij, Selma ; Taube, Wolfgang ; Hogenhout, Margot ; Baudry, Stéphane ; Hortobágyi, Tibor

In: Frontiers in Aging Neuroscience, 2014, vol. 6, p. 126

Background: Although recent studies point to the involvement of the primary motor cortex in postural control, it is unknown if age-related deterioration of postural control is associated with changes in motor cortical circuits. We examined the interaction between age and sensory condition in the excitability of intracortical motor pathways as indexed by short-interval intracortical inhibition...

Bibliothèque cantonale jurassienne

First record of a pterosaur landing trackway

Mazin, Jean-Michel ; Billon-Bruyat, Jean-Paul ; Padian, Kevin

In: Proceedings of the Royal Society of London. Series B, Biological sciences, 2009, vol. 276, p. 3881-3886

Université de Fribourg

Ice skating promotes postural control in children

Keller, Martin ; Röttger, K. ; Taube, Wolfgang

In: Scandinavian Journal of Medicine & Science in Sports, 2014, vol. 24, no. 6, p. e456-461

High fall rates causing injury and enormous financial costs are reported for children. However, only few studies investigated the effects of balance training in children and these studies did not find enhanced balance performance in postural (transfer) tests. Consequently, it was previously speculated that classical balance training might not be stimulating enough for children to adequately...

Université de Fribourg

Aging causes a reorganization of cortical and spinal control of posture

Papegaaij, Selma ; Taube, Wolfgang ; Baudry, Stéphane ; Otten, Egbert ; Hortobágyi, Tibor

In: Frontiers in Aging Neuroscience, 2014, vol. 6, p. 28

Classical studies in animal preparations suggest a strong role for spinal control of posture. In humans it is now established that the cerebral cortex contributes to postural control of unperturbed and perturbed standing. The age-related degeneration and accompanying functional changes in the brain, reported so far mainly in conjunction with simple manual motor tasks, may also affect the...

Université de Fribourg

Sitting comfortably versus lying down: Is there really a difference in energy expenditure?

Miles-Chan, Jennifer Lynn ; Sarafian, Delphine ; Montani, Jean-Pierre ; Schutz, Yves ; Dulloo, Abdul G.

In: Clinical Nutrition, 2014, vol. 33, no. 1, p. 175–178

Background and aims: Energy expenditure (EE) during sitting is widely assumed to be higher than that while lying down, but supporting evidence is equivocal. Despite this, resting EE in the sitting position is often used as a proxy for basal metabolic rate. Here we investigate whether EE differs in the comfortable seated position compared to supine (lying) position.Methods: EE and respiratory...