Blar i Brage NIH på forfatter "Seynnes, Olivier R."
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Alpine skiing with total knee arthroplasty (ASWAP): effect on tendon properties
Kösters, Alexander; Rieder, Florian; Wiesinger, Hans-Peter; Dorn, U.; Hofstaedter, T.; Fink, Christian; Müller, Erich; Seynnes, Olivier R. (Journal article; Peer reviewed, 2015-06-10)The aim of this study was to investigate the effect of alpine skiing on patellar tendon properties in patients with total knee arthroplasty (TKA). Thirty-one adults (70.4 ± 4.7 years) with unilateral TKA were recruited ... -
Alpine skiing with total knee arthroplasty (ASWAP): muscular adaptations
Rieder, Florian; Kösters, Alexander; Wiesinger, Hans-Peter; Dorn, U.; Hofstaedter, T.; Fink, Christian; Müller, Erich; Seynnes, Olivier R. (Journal article; Peer reviewed, 2015-06-17)This study investigated the effectiveness of recreational skiing as an intervention to improve quadriceps muscle architecture, strength, and antagonistic co-activation in patients with unilateral total knee arthroplasty ... -
Altered gastrocnemius contractile behavior in former Achilles tendon rupture patients during walking
Stäudle, Benjamin; Seynnes, Olivier R.; Laps, Guido; Brüggemann, Gert-Peter; Albracht, Kirsten (Peer reviewed; Journal article, 2022)Achilles tendon rupture (ATR) remains associated with functional limitations years after injury. Architectural remodeling of the gastrocnemius medialis (GM) muscle is typically observed in the affected leg and may compensate ... -
Altered Triceps Surae Muscle-Tendon Unit Properties after 6 Months of Static Stretching
Moltubakk, Marie M.; Villars, Fabienne Olivia; Magulas, Melina Meyer; Magnusson, Stig P.; Seynnes, Olivier R.; Bojsen-Møller, Jens (Peer reviewed; Journal article, 2021)Introduction: This study examined the effects of 24 wk of daily static stretching of the plantarflexors (unilateral 4 × 60-s stretching, whereas the contralateral leg served as a control; n = 26) on joint range of motion ... -
Architectural changes in superficial and deep compartments of the tibialis anterior during electrical stimulation over different sites
Carbonaro, Marco; Seynnes, Olivier R.; Maffiuletti, Nicola A.; Busso, Chiara; Minetto, Marco Alessandro; Botter, Alberto (Peer reviewed; Journal article, 2020)Electrical stimulation is widely used in rehabilitation to prevent muscle weakness and to assist the functional recovery of neural deficits. Its application is however limited by the rapid development of muscle fatigue due ... -
Are sport-specific profiles of tendon stiffness and cross-sectional area determined by structural or functional integrity?
Wiesinger, Hans-Peter; Rieder, Florian; Kösters, Alexander; Müller, Erich; Seynnes, Olivier R. (Journal article; Peer reviewed, 2016-06-30)The present study aimed to determine whether distinct sets of tendon properties are seen in athletes engaged in sports with contrasting requirements for tendon function and structural integrity. Patellar and Achilles tendon ... -
Automated Characterization of Muscle Architectural Variation in Ultrasound Images
Kirkebø, Jan Egil; Werkhausen, Amelie; Seynnes, Olivier R.; Austeng, Andreas (Peer reviewed; Journal article, 2020)Fascicle (fiber bundle) orientation and length are useful parameters to infer the force potential of skeletal muscles. Ultrasound imaging is commonly used to determine fascicle characteristics. In most of the literature, ... -
Costamere remodeling with muscle loading and unloading in healthy young men
Li, Ruowei; Narici, Marco V.; Erskine, Robert M.; Seynnes, Olivier R.; Rittweger, Jörn; Pisot, Rado; Simunic, Bostjan; Flück, Martin (Journal article; Peer reviewed, 2013-09-08)Costameres are mechano-sensory sites of focal adhesion in the sarcolemma that provide a structural anchor for myofibrils. Their turnover is regulated by integrin-associated focal adhesion kinase (FAK). We hypothesized that ... -
Distinct muscle-tendon interaction during running at different speeds and in different loading conditions
Werkhausen, Amelie; Cronin, Neil J.; Albracht, Kirsten; Bojsen-Møller, Jens; Seynnes, Olivier R. (Peer reviewed; Journal article, 2019)The interaction between the Achilles tendon and the triceps surae muscles seems to be modulated differently with various task configurations. Here we tested the hypothesis that the increased forces and ankle joint work ... -
Eccentric cycling does not improve cycling performance in amateur cyclists
Paulsen, Gøran; Eidsheim, Hedda; Helland, Christian; Seynnes, Olivier R.; Solberg, Paul André; Rønnestad, Bent (Peer reviewed; Journal article, 2019)Eccentric cycling training induces muscle hypertrophy and increases joint power output in non-athletes. Moreover, eccentric cycling can be considered a movement-specific type of strength training for cyclists, but it is ... -
Effect of traditional and resisted sprint training in highly-trained, female team handball players
Luteberget, Live; Raastad, Truls; Seynnes, Olivier R.; Spencer, Matt (Journal article; Peer reviewed, 2014)Fast acceleration is an important performance factor in handball. In addition to traditional sprint training (TST), resisted sprint training (RST) is a method often used to improve acceleration. However, studies on RST ... -
Effectiveness of individualized training based on force: Velocity profiling on physical function in older men
Lindberg, Kolbjørn Andreas; Lohne-Seiler, Hilde; Fosstveit, Sindre Herskedal; Sibayan, Erlend E.; Fjeller, Joachim S.; Løvold, Sondre; Kolnes, Tommy M.; Vårvik, Fredrik Tonstad; Berntsen, Sveinung; Paulsen, Gøran; Seynnes, Olivier R.; Bjørnsen, Thomas (Peer reviewed; Journal article, 2022)The study aimed to investigate the effectiveness of an individualized power training program based on force–velocity (FV) profiling on physical function, muscle morphology, and neuromuscular adaptations in older men. ... -
Effects of heavy strength training on running performance and determinants of running performance in female endurance athletes
Vikmoen, Olav; Raastad, Truls; Seynnes, Olivier R.; Bergstrøm, Kristoffer; Ellefsen, Stian; Rønnestad, Bent R. (Journal article; Peer reviewed, 2016-03-08)Purpose: The purpose of the current study was to investigate the effects of adding strength training to normal endurance training on running performance and running economy in well-trained female athletes. We hypothesized ... -
Effects of increased loading on in vivo tendon properties: a systematic review
Wiesinger, Hans-Peter; Kösters, Alexander; Müller, Erich; Seynnes, Olivier R. (Journal article; Peer reviewed, 2015-09)Introduction: In vivo measurements have been used in the past two decades to investigate the effects of increased loading on tendon properties, yet the current understanding of tendon macroscopic changes to training is ... -
Effects of specific collagen peptide supplementation combined with resistance training on Achilles tendon properties
Jerger, Simon; Centner, Christoph; Lauber, Benedikt; Seynnes, Olivier R.; Sohnius, Tim; Jendricke, Patrick; Oesser, Steffen; Gollhofer, Albert; König, Daniel (Peer reviewed; Journal article, 2022)The purpose of this study was to investigate the effect of specific collagen peptides (SCP) combined with resistance training (RT) on changes in tendinous and muscular properties. In a randomized, placebo-controlled study, ... -
Effects of tracking landmarks and tibial point of resistive force application on the assessment of patellar tendon mechanical properties in vivo
Mersmann, Falk; Seynnes, Olivier R.; Legerlotz, Kirsten; Arampatzis, Adamantios (Journal article; Peer reviewed, 2018)The different methods used to assess patellar tendon elongation in vivo may partly explain the large variation of mechanical properties reported in the literature. The present study investigated the effects of tracking ... -
Human skeletal muscle fibre contractile properties and proteomic profile: adaptations to 3 weeks of unilateral lower limb suspension and active recovery
Brocca, Lorenza; Longa, Emanuela; Cannavino, Jessica; Seynnes, Olivier R.; de Vito, Giuseppe; McPhee, Jamie; Narici, Marco; Pellegrino, Maria Antonietta; Bottinelli, Roberto (Journal article; Peer reviewed, 2015-12-15)Following disuse, muscle fibre function goes through adaptations such as a loss of specific force (PO/CSA) and an increase in unloaded shortening velocity, which could be a result of both quantitative changes (i.e. atrophy) ... -
Immediate effects of whole body vibration on patellar tendon properties and knee extension torque
Rieder, Florian; Wiesinger, Hans-Peter; Kösters, Alexander; Müller, Erich; Seynnes, Olivier R. (Journal article; Peer reviewed, 2016-03)Purpose: Reports about the immediate effects of whole body vibration (WBV) exposure upon torque production capacity are inconsistent. However, the changes in the torque–angle relationship observed by some authors after WBV ... -
Increased Plin2 expression in human skeletal muscle is associated with sarcopenia and muscle weakness
Conte, Maria; Vasuri, Francesco; Trisolino, Giovanni; Bellavista, Elena; Santoro, Aurelia; Degiovanni, Alessio; Martucci, Ermanno; D'Errico-Grigoni, Antonia; Caporossi, Daniela; Capri, Miriam; Maier, Andrea B.; Seynnes, Olivier R.; Barberi, Laura; Musaro, Antonio; Narici, Marco V.; Franceschi, Claudio; Salvioli, Stefano (Journal article; Peer reviewed, 2013-08-15)Human aging is associated with a progressive loss of muscle mass and strength and a concomitant fat accumulation in form of inter-muscular adipose tissue, causing skeletal muscle function decline and immobilization. Fat ... -
Influence of loading rate on patellar tendon mechanical properties in vivo
Kösters, Alexander; Wiesinger, Hans-Peter; Bojsen-Møller, Jens; Müller, Erich; Seynnes, Olivier R. (Journal article; Peer reviewed, 2014-03)Background: Rate-dependent properties of tendons have consistently been observed in vitro but in vivo studies comparing the effects of loading duration on this feature remain conflicting. The main purpose of the present ...