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Université de Fribourg

Validity of sports watches when estimating energy expenditure during running

Roos, Lilian ; Taube, Wolfgang ; Beeler, Nadja ; Wyss, Thomas

In: BMC Sports Science, Medicine and Rehabilitation, 2017, vol. 9, p. 22

The aim of this study was to assess the accuracy of three different sport watches in estimating energy expenditure during aerobic and anaerobic running.

Université de Fribourg

Gait asymmetry during 400- to 1000-m high-intensity track running in relation to injury history

Gilgen-Ammann, Rahel ; Taube, Wolfgang ; Wyss, Thomas

In: International Journal of Sports Physiology and Performance, 2016, vol. 12, no. Suppl 2, p. S2-157

Purpose: To quantify gait asymmetry in well-trained runners with and without previous injuries during interval training sessions incorporating different distances.Methods: Twelve well-trained runners participated in 8 high-intensity interval-training sessions on a synthetic track over a 4-wk period. The training consisted of 10 × 400, 8 × 600, 7 × 800, and 6 × 1000-m running. Using an...

Université de Fribourg

Balance training reduces brain activity during motor simulation of a challenging balance task in older adults: an fMRI study

Ruffieux, Jan ; Mouthon, Audrey ; Keller, Martin ; Mouthon, Michaël ; Annoni, Jean-Marie ; Taube, Wolfgang

In: Frontiers in Behavioral Neuroscience, 2018, vol. 12, p. -

Aging is associated with a shift from an automatic to a more cortical postural control strategy, which goes along with deteriorations in postural stability. Although balance training has been shown to effectively counteract these behavioral deteriorations, little is known about the effect of balance training on brain activity during postural tasks in older adults. We, therefore, assessed...

Université de Fribourg

Preparatory cortical and spinal settings to counteract anticipated and non-anticipated perturbations

Wächli, Michael ; Tokuno, Craig D. ; Ruffieux, Jan ; Keller, Martin ; Taube, Wolfgang

In: Neuroscience, 2017, vol. 365, no. Supplement C, p. 12–22

Little is known about how the central nervous system prepares postural responses differently in anticipated compared to non-anticipated perturbations. To investigate this, participants were exposed to translational and rotational perturbations presented in a blocked (anticipated) and a random (non-anticipated) design. The preparatory setting (‘central set’) was measured by H-reflexes,...

Université de Fribourg

Changes in balance coordination and transfer to an unlearned balance task after slackline training: a self-organizing map analysis

Serrien, Ben ; Hohenauer, Erich ; Clijsen, Ron ; Taube, Wolfgang ; Baeyens, Jean-Pierre ; Küng, Ursula

In: Experimental Brain Research, 2017, vol. 235, no. 11, p. 3427–3436

How humans maintain balance and change postural control due to age, injury, immobility or training is one of the basic questions in motor control. One of the problems in understanding postural control is the large set of degrees of freedom in the human motor system. Therefore, a self-organizing map (SOM), a type of artificial neural network, was used in the present study to extract and...

Université de Fribourg

Effects of age on the soccer-specific cognitive-motor performance of elite young soccer players: Comparison between objective measurements and coaches’ evaluation

Hicheur, Halim ; Chauvin, Alan ; Chassot, Steve ; Chenevière, Xavier ; Taube, Wolfgang

In: PLOS ONE, 2017, vol. 12, no. 9, p. e0185460

The cognitive-motor performance (CMP), defined here as the capacity to rapidly use sensory information and transfer it into efficient motor output, represents a major contributor to performance in almost all sports, including soccer. Here, we used a high-technology system (COGNIFOOT) which combines a visual environment simulator fully synchronized with a motion capture system. This system...

Université de Fribourg

Behavioral and neural adaptations in response to five weeks of balance training in older adults: a randomized controlled trial

Ruffieux, Jan ; Mouthon, Audrey ; Keller, Martin ; Wälchli, Michael ; Taube, Wolfgang

In: Journal of Negative Results in BioMedicine, 2017, vol. 16, p. 11

Background: While the positive effect of balance training on age-related impairments in postural stability is well-documented, the neural correlates of such training adaptations in older adults remain poorly understood. This study therefore aimed to shed more light on neural adaptations in response to balance training in older adults.Methods: Postural stability as well as spinal reflex and...

Université de Fribourg

Peripheral and central fatigue after high intensity resistance circuit training

Márquez, Gonzalo ; Romero-Arenas, Salvador ; Marín-Pagán, Cristian ; Vera-Ibañez, Antonio ; Olmo, Miguel Fernández del ; Taube, Wolfgang

In: Muscle & Nerve, 2017, vol. 56, no. 1, p. 152–159

Introduction: The aim of this study was to investigate the effects of high intensity resistance circuit (HIRC) and traditional strength training (TST) on neuromuscular fatigue and metabolic responses.Methods: Twelve trained young subjects performed HIRC and TST in a counterbalanced order with 1 week rest in-between. The amount of workload and the inter-set time for each local muscle group...

Université de Fribourg

Is young age a limiting factor when training balance? Effects of child-oriented balance training in children and adolescents

Wälchli, Michael ; Ruffieux, Jan ; Mouthon, Audrey ; Keller, Martin ; Taube, Wolfgang

In: Pediatric Exercise Science, 2017, p. 1–26

Purpose: Balance training studies in children reported conflicting results without evidence for improvements in children under the age of eight. The aim of this study therefore was to compare balance training adaptations in children of different age groups to clarify whether young age prevents positive training outcomes.Method: The effects of five weeks of child-oriented balance training were...