Nicolas Wirtz

ORCID: 0000-0001-5566-3555
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About
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Research Areas
  • Sports Performance and Training
  • Muscle activation and electromyography studies
  • Cardiovascular and exercise physiology
  • Sports injuries and prevention
  • Muscle metabolism and nutrition
  • Musculoskeletal pain and rehabilitation
  • Advanced Sensor and Energy Harvesting Materials
  • Neurological Disorders and Treatments
  • Electrochemical sensors and biosensors
  • Neurological Disease Mechanisms and Treatments
  • Effects of Vibration on Health
  • Sports Analytics and Performance
  • Glaucoma and retinal disorders
  • Sports, Gender, and Society
  • Exercise and Physiological Responses
  • Doping in Sports
  • Fuel Cells and Related Materials

German Sport University Cologne
2012-2023

Universitäts-Augenklinik Bonn
2006

Whole-Body Electromyostimulation (WB-EMS) is a training technology that enables simultaneous stimulation of all the main muscle groups with specific impulse intensity for each electrode. The corresponding time-efficiency and joint-friendliness WB-EMS may be particularly attractive people unable or unmotivated to conduct (intense) conventional protocols. However, due enormous metabolic musculoskeletal impact WB-EMS, particular attention must paid application this technology. In past, several...

10.3389/fphys.2023.1174103 article EN cc-by Frontiers in Physiology 2023-03-22

The purpose of this study was to assess the effects dynamic superimposed submaximal whole-body electromyostimulation (WB-EMS) training on maximal strength and power parameters leg muscles compared with a similar without WB-EMS. Eighteen male sport students were either randomly assigned WB-EMS intervention (INT; n=9; age: 22.8 ± 3.0 years; body mass: 80.2 6.6 kg; experience: 4.6 2.8 years) or traditional group (CON; 2.5 77.6 9.0 4.5 2.9 years). Both programs performed 2 times week over period...

10.3389/fphys.2018.01719 article EN cc-by Frontiers in Physiology 2018-12-04

The purpose of the study was to compare mechanical impact and corresponding physiological responses 4 different often practically applied resistance training methods (RTMs). Ten healthy male subjects (27.3 ± 3.2 years) experienced in performed 1 exhausting set bench press exercise until exhaustion for each following RTMs: strength endurance (SE), fast force (FFE), hypertrophy (HYP), maximum (MAX). RTMs were defined by lifting masses temporal distributions contraction modes per repetition....

10.1519/jsc.0b013e318260ec77 article EN The Journal of Strength and Conditioning Research 2012-06-13

Low back pain (LBP) affects almost everyone at least once in their lifetime. Various meta-analyses show promising effects on reduction for conventional exercise. However, the lack of time and, especially patients, a fear movement ("kinesiophobia") as well functional limitations often oppose participation such activities. In contrast, advantage novel training technologies like whole-body electromyostimulation (WB-EMS) lies particularly joint-friendly, time-effective, and highly customized...

10.1155/2019/5745409 article EN BioMed Research International 2019-09-29

The aim of this multicenter trial was to compare the effects whole-body electromyostimulation (WB-EMS) and vibration (WBV) with conventional back-strengthening training (CT) on changes in mean back pain intensity (MPI) trunk strength patients suffering from chronic non-specific low (CNLBP). Two-hundred forty CNLBP (40–70 years; 62% female) were randomly assigned three intervention arms (WB-EMS: n = 80 vs. WBV: CT: 80). All programs performed for 12 weeks their usual commercial setting....

10.3389/fphys.2021.664991 article EN cc-by Frontiers in Physiology 2021-04-13

The aim of the study was to compare effects short-term strength training with and without superimposed Whole-Body Electromyostimulation (WB-EMS) on straight sprinting speed (SSS), change direction (CODS), vertical (VJ) horizontal jumping (HJ) as well power in physically active females. Twenty-two female participants (n = 22; mean ± SD: age: 20.5 2.3 years; height: 171.9 5.5 cm; body mass: 64.0 8.2 kg; experience 5.1 3.6 years) were randomly assigned into 2 groups: (S) or WB-EMS (S+E). Both...

10.3389/fphys.2019.00728 article EN cc-by Frontiers in Physiology 2019-06-27

The present study aimed to investigate the relationship between mechanical load during resistance exercise and elicited physiological responses. Ten resistance-trained healthy male subjects performed 1 set of each at 55%, 70%, 85% repetition maximum for as many repetitions possible in 4 training modes: 4-1-4-1 (4 s concentric, isometric, eccentric, isometric successive actions), 2-1-2-1, 1-1-1-1, explosive (maximum velocity concentric). Mean concentric power total work were determined....

10.1139/apnm-2013-0214 article EN Applied Physiology Nutrition and Metabolism 2013-10-01

Intramuscular density of monocarboxylate-transporter (MCT) could affect the ability to perform high amounts fast and explosive actions during a soccer game. MCTs have been proven be essential for lactate shuttling pH regulation exercise can undergo notable adaptational changes depending on training. The aim this study was evaluate occurrence direction potential effects 7-weeks training period jumps with superimposed whole-body electromyostimulation relevant performance surrogates MCT in...

10.3390/ijerph17031123 article EN International Journal of Environmental Research and Public Health 2020-02-10

Einleitung: Oxidativer Stress gilt als Mediator des Untergangs retinaler Ganglienzellen und Nervenfasern beim Glaukom. Ziel der Studie ist die Untersuchung Effektes von freien Sauerstoffradikale auf den Tonus isolierter Ziliararterien über bislang wenig bekannt ist.

10.1055/s-2006-958754 article DE Klinische Monatsblätter für Augenheilkunde 2006-12-14

Theatralisches Simulieren ist im Fußball ein Mittel, um spielbeeinflussende Entscheidungen zu provozieren. Doch wie sieht Verhalten Sinne des Fairplays eigentlich konkret aus, wenn die Grenze zwischen fair und unfair durch das verschoben werden kann? Laut Regelwerk gegen Sanktionen verhängt. Allerdings Umsetzung schwierig, da Gefühlsäußerungen der Spielenden – ob simuliert oder nicht unter Umständen gerechtfertigt sind. In diesem Artikel interaktionstheoretische moralphilosophische...

10.3224/fug.v1i2.03 article DE cc-by-sa FuG – Zeitschrift für Fußball und Gesellschaft 2020-02-05
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