- Cardiovascular and exercise physiology
- Sports Performance and Training
- Occupational Health and Performance
- Physical Activity and Health
- Musculoskeletal pain and rehabilitation
- Cardiovascular Effects of Exercise
- Heart Rate Variability and Autonomic Control
- Ergonomics and Musculoskeletal Disorders
- Obesity, Physical Activity, Diet
- Thermoregulation and physiological responses
- Hemodynamic Monitoring and Therapy
- Sports injuries and prevention
- Climate Change and Health Impacts
- High Altitude and Hypoxia
- Health and Medical Studies
- Behavioral Health and Interventions
- Muscle activation and electromyography studies
- Genetics and Physical Performance
- Exercise and Physiological Responses
- Occupational health in dentistry
- Winter Sports Injuries and Performance
- Orthopedic Surgery and Rehabilitation
- Infrared Thermography in Medicine
- Spaceflight effects on biology
- Health and Wellbeing Research
German Sport University Cologne
2012-2024
Koblenz University of Applied Sciences
2024
University Medical Center of the Johannes Gutenberg University Mainz
2018-2023
Johannes Gutenberg University Mainz
2018-2023
Bundeswehrzentralkrankenhaus Koblenz
2006-2023
Bundeswehrkrankenhaus
2019
Czech Academy of Sciences, Institute of Physiology
2017-2018
Dr. A. Ramachandran's Diabetes Hospitals
2018
Bundeswehr Medical Service Academy
2006-2017
University of Bonn
2015
We examined age-related changes in endurance performance of marathon and half-marathon finishers. A total 405 515 running times were separated into groups based on age, sex, distance. After exclusion repetitive times, 300 757 runners analyzed by ANOVA (factors: sex). For each age group (six decades, 20 - 79 years), mean for all finishers, as well top-ten performers, assessed. As expected, sex had significant influence times. Female about 10 % (marathon) 13 (half-marathon) above the...
Successful finishing of marathon requires regular endurance training and appropriate lifestyle. Thus, running times data from large samples physically active fit elderly are ideal for the assessment age-related performance. In present study we analyzed 439 278 result lists 108 competitions a survey via internet questionnaire about behavioural factors finishers. Marathon 6 992 sets were separated into groups based on age sex by two-way ANOVA. Our main findings that 1) there virtually no...
Physical performance often declines in middle age, but it is unclear to what extent this due biological aging. It can be difficult determine whether such physical changes are truly age-related, as they might alternatively explained the negative consequences of a sedentary lifestyle.We assessed endurance physically active subgroup population by performing an age- and sex-stratified analysis over 900,000 running times marathon half-marathon participants aged 20 79. We also analyzed responses...
The time courses of leg blood flow, systolic peak velocity, heart rate and pressure have been studied in nine health volunteers during dynamic exercise upright sitting a tilted body position. In both positions the subjects performed single repeated foot plantarflexions against light moderate forces corresponding to 5%-10% 25%-30% maximal voluntary contraction. following measurement techniques were used: Doppler ultrasound method (blood flow parameters), FINAPRES device (arterial pressure)...
We measured significant undershoots of the concentrations free ADP ([ADP]) and P i ([P ]) energy ATP hydrolysis (Δ G ) below initial resting levels during recovery from severe ischemic exercise with 31 P-nuclear magnetic resonance spectroscopy in 11 healthy sports students. Undershoots rate oxidative phosphorylation would be predicted if depend solely on [ADP], [P ], or Δ . However, have not been reported literature. Furthermore, are unlikely because there is evidence that a balance between...
In westernized countries the sedentary lifestyle in conjunction with a hypercaloric diet has caused an increase number of obese adults. Moreover, recent studies suggest that prevalence overweight children increased during last decade. However, literature to be interpreted some caution since majority epidemiological examining health, fitness, and obesity rely on self-reported data rather than measurements. A further limitation is most examine either physical activity or nutrition, only few...
Heat stress caused by protective clothing limits work time. Performance improvement of a microclimate cooling method that enhances evaporative and to minor extent convective heat loss was tested. Ten male volunteers in overalls completed work-rest schedule (130 min; treadmill: 3 × 30 min, km/h, 5% incline) with or without an additional air-diffusing garment (climatic chamber: 25°C, 50% RH, 0.2 m/s wind). supported ventilating the dry air (600 l/min, ≪5% 25°C). Ventilation leads (M ± SD, n =...
Effective health promotion in the workplace is now essential because of rising health-related costs for businesses, increasing pressure arising from international competition, prolonged working lives, and aging work force. The basic problem prevention campaigns that target groups are too rarely reached sustainable benefits achieved. In 2011, we carried out a broad-based fitness campaign to assess how many personnel could be motivated participate model study under nearly ideal conditions.
The health and physical fitness of adolescents young adults are important not just to the individuals concerned, but also society as a whole. Many studies from many different countries have dealt with prevalence overweight, risk factors for it, morbidity it causes, no more than few addressed effects unhealthy lifestyles on fitness. In this study, we show that adults' performance depends number they possess. We compare aged 10 17.We obtained cross-sectional data weight, smoking status,...
Kinetics of VO2 at onset constant work rate exercise was previously shown to be slowed in patients with chronic heart failure (CHF) compared that healthy normals. Because bicycle ergometry ramp protocol is usually used for testing CHF patients, it would practical importance if can a delay the time interval linear increase (TILIV) occurs after beginning exercise. Data central hemodynamics and noninvasive cardiopulmonary parameters (CHF, normals) should also correlate this parameter related...
The effects of a maximal duration stretcher carriage on heart rate (HR), lactate concentration, hand steadiness and hand-grip strength were studied up to 72 h post-exercise in 17 male 15 female military ambulance personnel. Using both hands for transport, the participants walked treadmill ergometer at speed 4.5 km/h. Force measurements handlebars yielded mean loads 245 N (25 kg) each side. Each step induced additional force oscillations with peak forces 470 corresponding 130% (women) 98%...
Recent studies show that habits detrimental to health are becoming established ever earlier in life. Because most of these investigations focus on adolescents up the age 18 years, it is largely unknown whether and what extent negative behavioral modifications intensified young adults.Within cross-sectional study "Fit fürs Leben" (Fit for Life) 12 835 volunteers aged 16 25 years were anthropometrically investigated interviewed about their lifestyle (sporting activity, nutrition health-related...