Search Results - "ROECKER, K"

A wearable respiratory monitoring device--the between-days variability of calibration by Heyde, C, Mahler, H, Roecker, K, Gollhofer, A

“…The between-days variability in ascertained gain factors for calibration of a wearable respiratory inductance plethysmograph (RIP) and validity thereof for the…”
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Using Thorax Expansion to Detect a Ventilatory Inflection Point in the Field by Heyde, C, Mahler, H, Gollhofer, A, Roecker, K

“…Assessing an individual's physical fitness can usually be achieved through evaluating lactate or ventilatory thresholds. Unfortunately, the detection of…”
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Power Output during the Tour de France by Vogt, S, Schumacher, Y O, Roecker, K, Dickhuth, H-H, Schoberer, U, Schmid, A, Heinrich, L

“…The aim of this study was to evaluate the demands of riding a "Grand Tour" by monitoring both heart rate and power output in 15 professional cyclists. SRM…”
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Haemoglobin mass in cyclists during stage racing by Schumacher, Y O, Pottgiesser, T, Ahlgrim, C, Ruthardt, S, Dickhuth, H-H, Roecker, K

“…Haemoglobin mass is a main determinant of maximal oxygen uptake. Blood doping aims at increasing this variable. Limits for haematocrit and haemoglobin…”
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Gas exchange measurements with high temporal resolution: the breath-by-breath approach by Roecker, K, Prettin, S, Sorichter, S

“…Respiratory gas analysis as an indicator for metabolic strain during exercise has a long history. First introduced in the 18th century, huge gas collectors…”
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Post-transfusion stability of haemoglobin mass by Pottgiesser, T., Specker, W., Umhau, M., Roecker, K., Schumacher, Y. O.

“…Background and Objectives  Total haemoglobin mass (tHb) as a direct parameter of the blood system and ultimate target of all blood transfusions has not been…”
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Cadence-power-relationship during decisive mountain ascents at the Tour de France by Vogt, S, Roecker, K, Schumacher, Y O, Pottgiesser, T, Dickhuth, H-H, Schmid, A, Heinrich, L

“…The aim of the study was to report the relationship between cadence and power developed by professional cyclists during high mountain ascents of the Tour de…”
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Heart-rate recommendations: transfer between running and cycling exercise? by Roecker, K, Striegel, H, Dickhuth, H-H

“…With the expanding use of portable heart rate (HR) monitors in endurance sports, HR is increasingly used as a marker for exercise intensity. Hereby, HR at the…”
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Changes in blood lactate concentrations during different treadmill exercise test protocols by PRETTIN, S, ROECKER, K, RUEHL, S, DEIBERT, P, SCHUMACHER, Y. O, HIRSCHMÜLLER, A, DICKHUTH, H.-H

“…The purpose of this study was to compare the blood-lactate and heart rate response of three treadmill tests and to define a conversion algorithm. Subjects…”
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Metabolic reaction after concentric and eccentric endurance-exercise of the knee and ankle by HORSTMANN, Thomas, MAYER, Frank, MASCHMANN, Jens, NIESS, Andreas, ROECKER, K. A. I, DICKHUTH, Hans-Herrmann

“…Power training plays an essential part in many sport disciplines. The importance of eccentric power training remains a matter of controversial discussion. The…”
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Determining anaerobic capacity using treadmill ergometry by Striegel, H, Emde, F, Ploog, N, Roecker, K, Horstmann, T, Dickhuth, H-H

“…The determination of anaerobic capacity (AC) using treadmill ergometry is problematic from a methodological, as well as a technical standpoint. In this study,…”
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External iliac artery occlusion in a young female cyclist by KORSTEN-RECK, U, RÖCKER, K, SCHMIDT-TRUCKSÄSS, A, SCHUMACHER, Y. O, STRIEGEL, H, RIMPLER, H, DICKHUTH, H. H

“…After 8 years of high performance training in mountain biking, a top female athlete, aged 23, first complained of diffuse, exercise-induced pain in both…”
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Increase characteristics of the cumulated excess-CO2 and the lactate concentration during exercise by Roecker, K, Mayer, F, Striegel, H, Dickhuth, H H

“…The so-called excess-CO2 in physical exertion results stoichiometrically directly from the quantity of protons bound in bicarbonate buffering. This situation…”
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First-pass effect of an intravenous bolus of [13C]bicarbonate displayed breath-by-breath by Roecker, K, Landaw, E, Striegel, H, Mayer, F, Dickhuth, H.-H

“…1  Department of Sports Medicine, Medical Clinic and Polyclinic, University of Tuebingen, D-72074 Tuebingen, Germany; and 2  Department of Biomathematics,…”
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Effects of intensive endurance exercise on DNA damage in leucocytes by NIESS, A. M, BAUMANN, M, ROECKER, K, HORSTMANN, T, MAYER, F, DICKHUTH, H.-H

“…It has been shown that highly intensive anaerobic exercise induces DNA damage in leucocytes (LEU). The present study was designed to investigate whether…”
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Individual differences in self-reported heat tolerance. Is there a link to the cardiocirculatory, thermoregulatory and hormonal response to endurance exercise in heat? by MESS, A. M, FEHRENBACH, E, ROECKER, K, LEHMANN, R, OPAVSKY, L, DICKHUTH, H.-H

“…Tolerance to exercise in heat exhibits great interindividual variability. We questioned whether individual differences in self-reported heat tolerance within a…”
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The echocardiographic determination of volume and muscle mass of the heart by Dickhuth, H H, Roecker, K, Niess, A, Hipp, A, Heitkamp, H C

“…One- and two-dimensional echocardiography permits assessment of left ventricular size and muscle mass, whereas the validity and reliability differ. It is…”
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Anabolic ergogenic substance users in fitness-sports: A distinct group supported by the health care system by Striegel, Heiko, Simon, Perikles, Frisch, Steffen, Roecker, Kai, Dietz, Klaus, Dickhuth, Hans-Hermann, Ulrich, Rolf

“…Anabolic ergogenic substance use, in particular the use of anabolic androgenic steroids, is a serious problem in general. Nevertheless, it is subject to debate…”
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Power output during stage racing in professional road cycling by VOGT, Stefan, HEINRICH, Lothar, SCHUMACHER, Yorck Olaf, BLUM, Andreas, ROECKER, Kai, DICKHUTH, Hans-Hermann, SCHMID, Andreas

“…The aim of the study was to evaluate the power output during a multistage professional road race using direct power measurements and to compare these results…”
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Hb mass measurement suitable to screen for illicit autologous blood transfusions by Pottgiesser, Torben, Umhau, Markus, Ahlgrim, Christoph, Ruthardt, Sebastian, Roecker, Kai, Schumacher, Yorck Olaf

“…An increase of hemoglobin (Hb) mass is the key target of blood doping practices to enhance performance as it is a main determinant of maximal oxygen uptake…”
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