Ergometrics 800

Manufactured by Cardinal Health

Sourced in United States

The Ergometrics 800 is a piece of lab equipment designed for measuring and analyzing human performance and physiology. It serves as a tool for assessing cardiovascular and respiratory function during exercise or other physical activities.

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8 protocols using ergometrics 800

Cardiopulmonary Exercise Testing Protocol

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Patients exercised to their maximum ability on an electronically braked cycle ergometer (Ergometrics 800, Sensor-Medics, Yorba Linda, CA). A 12-lead electrocardiogram was obtained at rest in supine, sitting, and standing positions. Three minutes of pedaling in an unloaded state were followed by a ramp increase in work rate to achieve predicted peak work rate in 10–12 min of cycling time (26 ). Cardiac rhythm and pulse oximetry were monitored throughout the study. Blood pressure was measured at rest and every 3 min during exercise and recovery by auscultation. Metabolic data were obtained throughout the study and for the first 2 min of recovery on a breath-by-breath basis using a metabolic cart (SensorMedics V29, Yorba Linda, CA or similar). Ventilatory anaerobic threshold (VAT) was measured by the V-slope method (27 (link)). Peak oxygen consumption (VO₂) and VO₂ at VAT were normalized to the percentage expected for age, gender, and body size (28 (link)). O₂ pulse was calculated by dividing peak VO₂ by maximum heart rate. And expressed in milliliters per beat. A maximal test was defined as a respiratory exchange ratio ≥ 1.10 (29 (link)).

Avitabile C.M., McBride M.G., Harris M.A., Whitehead K.K., Fogel M.A., Paridon S.M, & Zemel B.S. (2022). Skeletal muscle deficits are associated with worse exercise performance in pediatric pulmonary hypertension. Frontiers in Pediatrics, 10, 1025420.

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Maximal Cardiopulmonary Exercise Testing

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Participants were exercised to their maximum ability on an electronically braked cycle ergometer (Site 1: Ergometrics 800, Sensor‐Medics, Yorba Linda, CA; Site 2: Corival 400, Lode B.V., Groningen, The Netherlands). Three minutes of pedaling in an unloaded state was followed by a ramp increase in work rate to achieve predicted peak work rate in 10 to 12 minutes of cycling time.²⁴ A 12‐lead ECG was obtained at rest in supine, sitting, and standing positions. Cardiac rhythm and pulse oximetry were monitored throughout the study. Blood pressure was measured at rest and every 3 minutes during exercise and recovery by auscultation. Metabolic data including VO₂, carbon dioxide production (VCO₂), maximum work rate, oxygen pulse, respiratory exchange ratio, and the ventilatory equivalents (VE) of carbon dioxide (VE/VCO₂) and oxygen (VE/VO₂) were obtained throughout the study and for the first 2 minutes of recovery on a breath‐by‐breath basis using a metabolic cart (Site 1: SensorMedics V29, Yorba Linda, CA; Site 2: Medgraphics, MGC Diagnostics, St Paul, MN). Ventilatory anaerobic threshold (VAT) was measured by the V‐slope and dual criteria methods.²⁵ Peak VO₂ and VO₂ at VAT were normalized to the percentage expected for age, sex, race, and body size.²⁶ A maximal exercise test was defined as a respiratory exchange ratio ≥1.1.²⁷

Avitabile C.M., McBride M.G., Zhang X., Ampah S., Goldstein B.H., Alsaied T., Wittekind S.G., Whitehead K.K., Zemel B.S, & Paridon S.M. (2022). Peak Work Rate Increases With Lower Extremity‐Focused Exercise Training in Adolescents With Fontan Circulation. Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 11(24), e027464.

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Cardiopulmonary Fitness Assessment Protocol

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Cardiopulmonary exercise testing was used to assess overall aerobic fitness. Subjects performed a ramping exercise protocol on an electronically braked cycle ergometer (Ergometrics 800, SensorMedics Inc., Yorba Linda, CA), following the American Thoracic Society guidelines.^{19 (link)} Briefly, following baseline measurements, subjects were asked to maintain 50–60 rpm as wheel resistance increased each minute. Once the subject was unable to maintain the 50–60 rpm or requested to stop, the test was terminated and subjects performed 3 minutes of active recovery. Peak oxygen consumption (VO₂peak) was measured using computer-assisted open-circuit spirometry. Rate of perceived exertion, blood pressure, and heart rate were measured throughout exercise. The cardiopulmonary exercise testing was performed before all other exercise protocols. Additionally, all subjects completed a 6-minute walk test, as described previously.^{20 (link)}

Brunjes D.L., Dunlop M., Wu C., Jones M., Kato T.S., Kennel P.J., Armstrong H.F., Choo T.H., Bartels M.N., Forman D.E., Mancini D.M, & Schulze P.C. (2016). Analysis of Skeletal Muscle Torque Capacity and Circulating Ceramides in Patients with Advanced Heart Failure. Journal of cardiac failure, 22(5), 347-355.

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Supervised and Unsupervised Cycling Protocol

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Participants engaged in four cycling exercise sessions per week for 4 weeks for a total of 16 sessions (Table 2). Sessions one and three of each week were completed independently at the University of South Alabama Recreation Center using the prescribed intensity and duration and completion of each session was reported to study personnel. For the training sessions in the recreation center, participants used the True Fitness CS 800 upright bicycle (True Fitness, St. Louis, MO). The work rate and duration used at the Recreation Center and how to program the bike was explained in detail and given in writing. If needed, a study personnel member met the participant at the recreation center for the first session to help with correct programming of the bike for the training sessions. Sessions two and four of each week were performed in the Human Performance Laboratory in the Health, Kinesiology, and Sport Building using the Ergometrics 800 (Sensormedics, Yorba Linda, CA) and Velotron (Racer-Mate, Seattle, WA) cycle ergometers, respectively. Participants who completed the study completed 100% of the training sessions. Some deviation in the rest period existed for exercise session four of each week because, in some cases, the participants needed more time to recover before the next set.

Schwarz N.A., Blahnik Z.J., Prahadeeswaran S., McKinley-Barnard S.K., Holden S.L, & Waldhelm A. (2018). (–)-Epicatechin Supplementation Inhibits Aerobic Adaptations to Cycling Exercise in Humans. Frontiers in Nutrition, 5, 132.

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Incremental Cardiopulmonary Exercise Test

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Patients were subjected to cardiopulmonary exercise testing (CPET) using an incremental biking exercise performed on a bicycle ergometer (Ergometrics 800, SensorMedics Inc., Yorba Linda, CA). Subjects were instructed to maintain a pedal speed of 60 revolutions/minute with linear increase in resistance each minute. Once the workload became too high and the patient could no longer maintain 60 revolutions/minute, the test was stopped and patients subsequently performed 3 minutes of active recovery. Peak effort oxygen consumption (VO₂ max), rate of perceived exertion, blood pressure and heart rate were all measured throughout the testing exercise.

Wu C., Kato T.S., Ji R., Zizola C., Brunjes D.L., Deng Y., Akashi H., Armstrong H.F., Kennel P.J., Thomas T., Forman D.E., Hall J., Chokshi A., Bartels M.N., Mancini D., Seres D, & Schulze P.C. (2015). Supplementation of L-Alanyl-L-Glutamine and Fish Oil Improves Body Composition and Quality of Life in Patients With Chronic Heart Failure. Circulation. Heart failure, 8(6), 1077-1087.

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Graded Exercise Test for VO2max Assessment

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Subjects performed a graded exercise test for the assessment of maximal aerobic power (VO₂max) before and after the 12‐week aerobic training intervention (Harber et al., 2012 (link)). Subjects performed the physician‐supervised test on an electronically braked cycle ergometer (SensorMedics Ergometrics 800) beginning at a very low workload (~10 W), and the workload was progressively increased 10 W in 1‐min stages until exhaustion with a total test time of 10–12 min. During the test, subject's heart rate, blood pressure, rating of perceived exertion, and electrocardiogram were monitored, and ventilation and expired air samples were measured by a metabolic cart (TrueOne 2400 Metabolic System, ParvoMedics) for the determination of O₂ uptake.

Naruse M., Vincenty C.S., Konopka A.R., Trappe S.W., Harber M.P, & Trappe T.A. (2023). Cycle exercise training and muscle mass: A preliminary investigation of 17 lower limb muscles in older men. Physiological Reports, 11(16), e15781.

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Multimodal Cardiac Evaluation Protocol

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Echocardiograms were performed on a Phillips IE33 machine (Phillips, Andover, Massachusetts, USA) according to our standard imaging protocol. Five or 8 MHz transducers were used according to patient’s size and acoustic windows. Cardiac MRI studies were performed on a 1.5 T Avanto MRI scanner (Siemens Medical Solutions, Erlangen, Germany) with a 6-channel phased-array body coil using our standard imaging protocol. Phase contrast velocity mapping was used to determine the summed caval flow and indexed to body surface area. Cardiopulmonary exercise test were performed on an electronically braked cycle ergometer (Ergometrics 800, Sensor-Medics, Yorba Linda, California, USA) or a 1 min incremental treadmill according to our standard protocol. Metabolic data were obtained throughout the study and for the first 2 min of recovery on a breath-by-breath basis using a metabolic cart (SensorMedics V29, Yorba Linda, California, USA). Oxygen consumption at maximum exertion (peak VO₂) and the anaerobic threshold was normalised to the percentage expected for age, gender and body weight.^{18 (link)}

Avitabile C.M., Leonard M.B., Zemel B.S., Brodsky J.L., Lee D., Dodds K., Hayden-Rush C., Whitehead K.K., Goldmuntz E., Paridon S.M., Rychik J, & Goldberg D.J. (2014). Lean mass deficits, vitamin D status and exercise capacity in children and young adults after Fontan palliation. Heart (British Cardiac Society), 100(21), 1702-1707.

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Maximal Oxygen Consumption Testing Protocol

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Participants performed a maximal oxygen consumption exercise test on an electromagnetically controlled cycle ergometer (Ergometrics 800, Sensormedics, Yorba Linda, CA) to determine their peak oxygen consumption (VO₂ peak). Oxygen uptake during the test was measured via an open-circuit sampling system (Vmax Encore 29C, Carefusion, Yorba Linda, CA), and the highest level of VO₂ obtained for 1 min was defined as VO₂ peak. Respiratory gas exchange was measured by having the participant wear a facemask that was connected to the Encore 29C system. The load on the bike was increased incrementally so that power output increased 25W per minute. The exercise test was performed until the participant was no longer able to maintain a cycling cadence above 40 revolutions per minute.

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