Search Results - "Levels, Koen"

Oxygenation Threshold Derived from Near-Infrared Spectroscopy: Reliability and Its Relationship with the First Ventilatory Threshold by van der Zwaard, Stephan, Jaspers, Richard T, Blokland, Ilse J, Achterberg, Chantal, Visser, Jurrian M, den Uil, Anne R, Hofmijster, Mathijs J, Levels, Koen, Noordhof, Dionne A, de Haan, Arnold, de Koning, Jos J, van der Laarse, Willem J, de Ruiter, Cornelis J

“…Near-infrared spectroscopy (NIRS) measurements of oxygenation reflect O2 delivery and utilization in exercising muscle and may improve detection of a critical…”
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Muscle morphology of the vastus lateralis is strongly related to ergometer performance, sprint capacity and endurance capacity in Olympic rowers by van der Zwaard, Stephan, Weide, Guido, Levels, Koen, Eikelboom, Michelle R. I., Noordhof, Dionne A., Hofmijster, Mathijs J., van der Laarse, Willem J., de Koning, Jos J., de Ruiter, Cornelis J., Jaspers, Richard T.

“…Rowers need to combine high sprint and endurance capacities. Muscle morphology largely explains muscle power generating capacity, however, little is known on…”
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Effect of thermal state and thermal comfort on cycling performance in the heat by Schulze, Emiel, Daanen, Hein A M, Levels, Koen, Casadio, Julia R, Plews, Daniel J, Kilding, Andrew E, Siegel, Rodney, Laursen, Paul B

“…To determine the effect of thermal state and thermal comfort on cycling performance in the heat. Seven well-trained male triathletes completed 3 performance…”
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Training-Induced Muscle Adaptations During Competitive Preparation in Elite Female Rowers by van der Zwaard, Stephan, Koppens, Tommie F P, Weide, Guido, Levels, Koen, Hofmijster, Mathijs J, de Koning, Jos J, Jaspers, Richard T

“…Training-induced adaptations in muscle morphology, including their magnitude and individual variation, remain relatively unknown in elite athletes. We reported…”
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The effect of skin temperature on performance during a 7.5-km cycling time trial by Levels, Koen, de Koning, Jos J., Foster, Carl, Daanen, Hein A. M.

“…Aerobic exercise performance is seriously compromised in the heat. Possibly, a high skin temperature causes a rating of perceived exertion (RPE)-mediated…”
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Effect of warm-up and precooling on pacing during a 15-km cycling time trial in the heat by Levels, Koen, Teunissen L, P J, de Haan, Arnold, de Koning, Jos J, van Os, Bernadet, Daanen H, A M

“…The best way to apply precooling for endurance exercise in the heat is still unclear. The authors analyzed the effect of different preparation regimens on…”
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Classification of cortical microcircuits based on micro-electrode-array data from slices of rat barrel cortex by Bakker, Rembrandt, Schubert, Dirk, Levels, Koen, Bezgin, Gleb, Bojak, Ingo, Kötter, Rolf

“…The bewildering complexity of cortical microcircuits at the single cell level gives rise to surprisingly robust emergent activity patterns at the level of…”
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Efficiency of three cooling methods for hyperthermic military personnel linked to water availability by Klous, Lisa, van Diemen, Femke, Ruijs, Silke, Gerrett, Nicola, Daanen, Hein, de Weerd, Marijne, Veenstra, Bertil, Levels, Koen

“…Three feasible cooling methods for treatment of hyperthermic individuals in the military, that differed considerably in water volume needed (none to ~80 L),…”
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Critical determinants of combined sprint and endurance performance: an integrative analysis from muscle fiber to the human body by Zwaard, Stephan, Laarse, Willem J., Weide, Guido, Bloemers, Frank W., Hofmijster, Mathijs J., Levels, Koen, Noordhof, Dionne A., Koning, Jos J., Ruiter, Cornelis J., Jaspers, Richard T.

“…Optimizing physical performance is a major goal in current physiology. However, basic understanding of combining high sprint and endurance performance is…”
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Heat Strain and Use of Heat Mitigation Strategies among COVID-19 Healthcare Workers Wearing Personal Protective Equipment-A Retrospective Study by Bongers, Coen C W G, de Korte, Johannus Q, Zwartkruis, Mike, Levels, Koen, Kingma, Boris R M, Eijsvogels, Thijs M H

“…The combination of an exacerbated workload and impermeable nature of the personal protective equipment (PPE) worn by COVID-19 healthcare workers increases heat…”
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Validity of the estimated core temperature algorithm during real-world prolonged walking exercise under warm ambient conditions by Peggen, Mandy A.G., Bongers, Coen C.W.G., de Korte, Johannus Q., Veenstra, Bertil J., Levels, Koen, Hopman, Maria T.E., Eijsvogels, Thijs M.H.

“…Non-invasive methods to estimate core body temperature (TC) are increasingly available. We examined the group-level and individual participant-level validity…”
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Cold weather operations: Preventive strategies in a military context by Klous, Lisa, Teien, Hilde, Hollis, Sarah, Levels, Koen, Boonstra, Appie, Sullivan-Kwantes, Wendy, Haman, François, Castellani, John W., Catoire, Milène, Kingma, Boris

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Effects of radiant heat exposure on pacing pattern during a 15-km cycling time trial by Levels, Koen, de Koning, Jos, Broekhuijzen, Iris, Zwaan, Tamara, Foster, Carl, Daanen, Hein

“…The goal of this study was to investigate the effects of different durations of skin temperature manipulation on pacing patterns and performance during a 15-km…”
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Muscle Volume Is A Critical Determinant Of Rowing Performance In Olympic Rowers: 2690 Board #210 June 2 11 00 AM - 12 30 PM by van der Zwaard, Stephan, Weide, Guido, Levels, Koen, Eikelboom, Michelle, Noordhof, Dionne A., Hofmijster, Mathijs J., van der Laarse, Willem J., de Ruiter, Cornelis J., de Koning, Jos J., Jaspers, Richard T.

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Recovery of Cycling Gross Efficiency After Time-Trial Exercise by Groot, Sjors, van de Westelaken, Lars H J, Noordhof, Dionne A, Levels, Koen, de Koning, Jos J

“…Research has shown that gross efficiency (GE) declines during high-intensity exercise, but the time course of recovery of GE after high-intensity exercise has…”
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Ad-libitum drinking and performance during a 40-km cycling time trial in the heat by Berkulo, Meriam A. R., Bol, Susan, Levels, Koen, Lamberts, Robert P., Daanen, Hein A. M., Noakes, Timothy D.

“…The aim of this study was to investigate if drinking ad-libitum can counteract potential negative effects of a hypohydrated start caused by fluid restriction…”
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The Effect Of Pre-heating And Intermediate Cooling On Firefighting Performance by Levels, Koen, Mol, Eric, Foster, Carl, De Koning, Jos J, Daanen, Hein AM

“…PURPOSE: To determine the effect of pre-heating and intermediate cooling on speed and quality of firefighting activities. METHODS: Twelve firefighters visited…”
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The effect of pre-warming on performance during simulated firefighting exercise by Levels, Koen, de Koning, Jos J., Mol, Eric, Foster, Carl, Daanen, Hein A.M.

“…This study examined the effect of active pre-warming on speed and quality of performance during simulated firefighting exercise. Twelve male firefighters…”
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Core temperature affects scalp skin temperature during scalp cooling by Daanen, Hein A. M., Peerbooms, Mijke, van den Hurk, Corina J. G., van Os, Bernadet, Levels, Koen, Teunissen, Lennart P. J., Breed, Wim P. M.

“…Background The efficacy of hair loss prevention by scalp cooling to prevent chemotherapy induced hair loss has been shown to be related to scalp skin…”
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Pre-exercise Sodium+glycerol Loading Aids Athletes' Fluid Balance But Not Performance In The Heat: 1684 Board #121 June 2 3:30 PM - 5:00 PM by Levels, Koen, Cotter, James D., Rehrer, Nancy J., Sims, Stacy T., Hopman, Maria T.

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