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Université de Fribourg

Effect of different loading conditions on running mechanics at different velocities

Carretero-Navarro, Germán ; Márquez, Gonzalo ; Cherubini, Doménico ; Taube, Wolfgang

In: European Journal of Sport Science, 2019, vol. 19, no. 5, p. 595–602

Weighted vests are widely used to improve running economy and performance. However, it is not well-studied how running mechanics are adapted to counteract the higher peak vertical ground reaction forces (Fpeak) while running with such a device. Therefore, the present study aimed to investigate the effects of different loading conditions on running mechanics at different velocities. Thirteen...

Université de Fribourg

Measuring physical load in soccer: strengths and limitations of 3 different methods

Fischer-Sonderegger, Karin ; Taube, Wolfgang ; Rumo, Martin ; Tschopp, Markus

In: International Journal of Sports Physiology and Performance, 2019, vol. 14, no. 5, p. 627–634

To investigate the strengths and limitations of different indicators to measure physical load. Furthermore, indicators were evaluated for discrimination between performance levels and playing positions. Methods: Ninety positional match files from 70 elite players and 91 match files from 69 subelite players were collected during 14 official under-18 matches using a local position measurement...

Université de Fribourg

The faster, the better? Relationships between run-up speed, the degree of difficulty (D-score), height and length of flight on vault in artistic gymnastics

Schärer, Christoph ; Lehmann, Thomas ; Naundorf, Falk ; Taube, Wolfgang ; Hübner, Klaus

In: PLOS ONE, 2019, vol. 14, no. 3, p. e0213310

On vault in artistic gymnastics, a high run-up speed is thought to be important when performing difficult vaults. To test this assumption in a large cohort of elite athletes, we calculated the correlations between the run-up speed, scores, height and length of flight for handspring-, Tsukahara- and Yurchenko-style vaults and compared the performances of male and female elite and junior...

Université de Fribourg

Lower between-limb asymmetry during running on treadmill compared to overground in subjects with laterally pronounced knee osteoarthritis

Robadey, Jacques ; Staudenmann, Didier ; Schween, Raphael ; Gehring, Dominic ; Gollhofer, Albert ; Taube, Wolfgang

In: PLOS ONE, 2018, vol. 13, no. 10, p. e0205191

Subjects with knee osteoarthritis (KOA) show gait asymmetries evidenced by lower knee flexion and shorter contact times for the affected leg. Interestingly, running on a treadmill compared to running overground is also associated with lower knee flexion and shorter contact times. Thus, it is of particular interest how gait patterns are influenced by the type of ground in subjects with KOA....

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

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

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...