Vmax and Innocor presentation

May 22, 2015Download as PPTX, PDF1 like458 views

This study compared two metabolic carts, the Vmax and Innocor, during rest and exercise. The study found no significant differences between the carts at lower workloads but a deviation at higher workloads of 200 Watts or more, likely due to differences in gas analysis techniques. Both carts can measure metabolic measurements like VO2 and VCO2 but the Vmax has limitations of cost, mobility, and skill required compared to the Innocor.

Vmax and Innocor
Acomparisonoftwometaboliccartsduringrestandexercise
Zach Blain

Methods
• The volume of oxygen consumed and utilized by working muscle per
minute during rest or exercise.
• Defined by Fick:
• VO2 = Q × a-vO2 difference
• Q = SV × HR
• Q= Cardiac output; SV= Stroke volume; HR= Heart rate
• Calculated as:
• VO2 = [VE × (FEN2 / FIN2) × FIO2] – [VE × FEO2]
• VE= Ventilation, volume/min; FEN2= Fraction of expired nitrogen; FIN2= Fraction of inspired
nitrogen; FIO2= Fraction of inspired oxygen; FEO2= Fraction of expired oxygen
• To measure Q
• Pulmonary artery catheter (PAC)
• To measure a-vO2 Diff
• Arterial venous catheter
• blood sampling

How they work
Innocor
• Flowmeter
• Gas Analyzer
• Oxygen sensor
Vmax
• Flow/Volume
• O2 Analyzer
• CO2 Analyzer
• Flash Multi-Gas
Innocor Vmax

Purpose
The aim of this study is to compare the metabolic
measurements between Vmax and Innocor simultaneously
during rest and exercise.
Hypothesis
It is hypothesized that there will be no difference between Vmax
and Innocor during rest and exercise.

Design and Protocol
• Simultaneous measurements
• Baseline
• 50 W
• 100 W
• 150 W
• 200 W
• 250 W
• 300 W
• Staged steady state
exercise - 2 minutes

Demographics
Patient Demographics
Participants(male/female) 7 (4/3)
Age (years) 24 ± 3
Height (cm) 171 ± 8
Weight (kg) 73 ± 20
BMI (kg/m²) 25 ± 6

Absolute VO2/ VCO2 vs. Workloads
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
0 50 100 150 200 250 300
VO₂(L/min)
Workload (Watts)
Vmax
Innocor
*
* Significant Difference P< 0.05
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
0 50 100 150 200 250 300
VCO₂(L/min)
Workload (Watts)
Vmax
Innocor
*
Figure 2: Absolute VO2 (L/min) vs Workload (Watts) Figure 3: Absolute VCO2 (L/min) vs Workload (Watts)

Ventilation
0
0.5
1
1.5
2
2.5
3
3.5
4
0 50 100 150 200 250 300Vt(litersperbreath)
Workload (Watts)
Vmax
Innocor
0
10
20
30
40
50
0 50 100 150 200 250 300
RR(breathspermin)
Workload (Watts)
Vmax
Innocor
Figure 4: Respiration rate (breaths per min) vs.
Workload (Watts)
Figure 5: Tidal volume (liters per breath) vs.
Workload (Watts)

Discussion
• No significant change in results for low workloads
• After 200W there becomes a deviation in the results
• No significant difference in the respiration, at any
workload
• VO2 and VCO2 at high workloads (300W)
• Account for gas analysis
• FIO2 and FEO2

Features
Features
Safe Yes Yes
Start up cost 160,000 60,000
Mobility Minimal Maximal
Skill required Maximal Minimal
Range Rest- Maximal? Rest-Maximal?
Issues
Technician
Mouthpiece discomfort
Vmax Innocor

Conclusion
Both Vmax and Innocor can attain similar
results for lower workloads, but begin to drift
during higher workloads.

Acknowledgments
• Brad Byers
• Desi Fuhr
• Karishma Kapoor
• Linn Moore
• Melissa Bouwsema
• Michael Stickland
• Vince Tedjasaputra

References
• Allen et al. (2013). ACSM’s Guidelines for exercise testing and prescription.
Baltimore, MD. Wolters Kluwer, Lippincott Williams &Wilkins
• Beekley et al. (2004). Cross-Validation of the YMCA Submaximal Cycle
Ergometer Test to Predict VO2max. Research Quarterly for Exercise
and Sport. 75:3, 337-342.
• CareFusion Corporation. (2014). Vmax Encore Metabolic Cart. Retrieved
from www.carefusion.com
• Innovision ApS. (2014). Innocor. Retrieved from www.innovision.dk
• Stringer, W. Hansen, J. Wasserman, K. (1997). Cardiac output estimated
noninvasively from oxygen uptake during exercise. J Appl Physiol
82:908-912.
• Welch, HG. Pedersen, PK. (1981). Measurement of metabolic rate in
hyperoxia. J Appll Physiol Respir Environ Exerc Physiol. Sep; 51(3):
725-31.

15
20
25
30
35
40
45
50
55
50 100 150 200 250 300
VO2(ml/kg/min)
Workload (Watts)
Vmax
Innocor
Predicted VO2
Figure 6: Relative VO2 (ml/kg/min) vs. Workloads (Watts)
VO2 = (Watts (Watts)/ Bodyweight (kg) × 10.8) + 7ml/kg/min

1. The document analyzes the performance of three rocket nozzle configurations (ideal, 85% bell, 70% bell) at four altitudes using computational fluid dynamics. 2. The study finds that the 85% bell nozzle has the best balance of specific impulse and weight, operating efficiently over a wide range of ambient pressures. 3. While the ideal nozzle provides the highest specific impulse, its longer length increases inert mass and cooling requirements. The 70% bell nozzle has very low specific impulse. Therefore, the 85% bell nozzle configuration is recommended.

Vo2max what does it really meanacoggan1

��

VO2max is a measure of cardiovascular fitness and aerobic capacity. It represents the maximum amount of oxygen the body can utilize during intense exercise. VO2max is determined by maximum cardiac output and stroke volume and can be improved through endurance training, though there are genetic factors that influence its baseline level and responsiveness to training. It is typically measured using a metabolic cart during a graded exercise test to volitional exhaustion.

Cardiac output monitoringNIICS

��

This document summarizes different methods for measuring cardiac output, including clinical assessment, minimally invasive techniques, and invasive pulmonary artery catheterization. Clinical assessment involves evaluating end organ perfusion rather than direct cardiac output measurements. Minimally invasive techniques discussed include thoracic bioimpedance and esophageal Doppler. Invasive pulmonary artery catheterization provides direct cardiac output measurements via thermodilution but carries risks of complications. The document evaluates the advantages, limitations, and evidence for various cardiac output monitoring methods.

Cardiac outputatsmp

��

The document discusses several key terms related to cardiac output and heart function: - Contractility refers to the heart's ability to generate force at a given muscle length. - Preload is the heart muscle length prior to contraction and depends on ventricular filling. The most important factor for preload is venous return. - Afterload is the tension or pressure the ventricle must contract against to pump blood out. It depends on aortic or pulmonary artery pressure. - Cardiac output equals stroke volume multiplied by heart rate, representing the total blood volume pumped per minute.

Laboratory based testingacoggan1

��

The document provides information about laboratory-based testing for competitive cyclists. It discusses what laboratory testing is, the advantages of controlled indoor testing over field tests, and some disadvantages like cost and inconvenience. Specific tests described include measuring maximal oxygen consumption (VO2max) using a metabolic cart, determining lactate threshold from blood samples during an incremental test, and assessing neuromuscular power and anaerobic capacity using tests like Wingate and inertial load methods. Graphs demonstrate concepts like the power-VO2 relationship and how power output varies with pedaling cadence.

VO2 Max Test Optimization for Cardiometabolic Phenotyping in Rodents ssInsideScientific

��

Coronary Heart Disease is the number one killer in the world, and while a great number of tests exist, they don’t always downsize gracefully for mouse models. The Graded Exercise Test (GXT), the gold standard in assessing cardiopulmonary function, is a perfect example of a test that is far more challenging to reproduce in mice. While getting mice to run a treadmill is rather straight forward, accurately and consistently assessing VO2 MAX is not. Measured VO2 peaks that fall short of VO2 MAX or have endless plateaus are common frustrations. Obtaining quality data means balancing a number of compromises. These compromises span the entire experiment from instrumentation, protocol, and calculations. During this webinar, sponsored by Columbus Instruments, Jennifer Petrosino will discuss her research in the mechanisms that regulate muscle growth and repair and aim to empower researchers with a stable base by pointing out key instrumentation features, an easy to follow protocol, and equations for cardiometabolic phenotyping. To learn more, please visit: https://insidescientific.com/webinar/vo2-max-test-optimization-cardiometabolic-phenotyping-rodents-columbus-instruments

Measuring Energy Balance in Mice from VO2/VCO2, Food Intake and Activity DataInsideScientific

��

Metabolic research continues to have an increased need for simultaneous multi-parameter measurements of Respiratory Exchange Ratio (RER), animal activity, and food intake (caloric consumption) to properly asses compounds, proteins, and genes on how they influence metabolism. But temporal alignment of this data into meaningful conclusions can have a steep learning curve for the non-initiated, and selecting appropriate options for such a complicated system can be over whelming. This webinar aims to discuss the essential elements and how they are to be applied. In this webinar sponsored by Columbus Instruments, Chris Adams provides an overview of essential parameters for studying energy expenditure in laboratory rodents. He reviews gas exchange using open circuit indirect calorimetry to measure VO2, VCO2, RER and energy expenditure; food/water intake using direct mass measurement for accumulative and/or bout monitoring for controlling caloric intake and for identifying diet preference; and activity using an IR photo-cell array and/or running wheel rotation for scoring locomotion, stereotypic behavior (grooming/scratching), resting behavior and wheel running behavior. In addtion, Dr. Marta Fiorotto presents quantitative data acquired in her lab such as energy intake and energy expenditure while highlighting qualitative measurements such as spontaneous cage activity, voluntary activity and dietary-induced thermogenesis. She discusses the value of "secondary data" as well with a focus on RER and behaviors such as eating patterns, sleeping and exploratory drive. Finally, Dr. Fiorotto highlights key considerations for proper experimental design and to ensure data validity including habituation, animal-to-animal individuality, diets, environmental factors, instrument setup, timing of measurement and normalization protocols.

Horizontal Well Performance Optimization AnalysisMahmood Ghazi

��

The document discusses optimization of production from horizontal wells using nodal analysis and the PROSPER software. It outlines factors that affect pressure losses in horizontal and inclined well sections and describes how nodal analysis can be used to model well deliverability and optimize parameters like well length. Results from PROSPER simulations show how inlet pressure, pressure drop, and flowrate increase with longer well lengths up to an optimal value. The document concludes horizontal wells can be optimized for production using nodal analysis and PROSPER to evaluate factors affecting pressure losses and choose well parameters.

CPET dr ahmed kadry.pptxAhmed Kadry

��

CPET, or cardiopulmonary exercise testing, is the gold standard for assessing functional capacity in heart failure patients. It combines ECG stress testing with measurements of gas exchange and ventilation. Key parameters measured include oxygen uptake, carbon dioxide production, minute ventilation, heart rate, and oxygen saturation. CPET can help determine if exercise limitation is due to pulmonary, cardiovascular, or peripheral causes by measuring values like oxygen pulse and the ventilatory threshold. It has several clinical applications for evaluating unexplained dyspnea, monitoring disease progression, and preoperative risk assessment.

CapnographyHossam atef

��

This document discusses advanced capnography techniques. It begins by listing the objectives which include describing the physiology of carbon dioxide monitoring, differentiating between mainstream and sidestream capnography, interpreting normal and abnormal time-based and volume-based capnograms, and discussing several clinical applications of capnography. It then covers the physiology of carbon dioxide, monitoring technologies, key technological issues, differences between mainstream and sidestream sampling, phases of normal time-based and volume-based capnograms, abnormalities, artifacts, and clinical uses including ventilation monitoring, cardiac output measurement, pulmonary embolism detection, and more.

Cardiopulmonary Exercise Testing - VO2 measurementTeamMitchell1

��

Cardiopulmonary exercise testing involves maximal or submaximal exercise tests to assess functional capacity and factors limiting performance. Key measurements include oxygen consumption (VO2), carbon dioxide production, ventilation, heart rate, blood lactate, and ratings of perceived exertion. VO2 max testing aims to elicit an individual's highest oxygen intake and is used to evaluate aerobic fitness and compare to standards. Estimating VO2 max from submaximal exercise data can also provide functional assessment when maximal testing is not possible.

CAPNOGRAPHY and CAPNOMETRY/ ETCO2 .pptxNursing Station

��

End-tidal carbon dioxide (ETCO2) is the level of carbon dioxide that is released at the end of an exhaled breath. ETCO2��levels reflect the adequacy with which carbon dioxide (CO2) is carried in the blood back to the lungs and exhaled. Non-invasive methods for ETCO2��measurement include capnometry and capnography. Capnometry provides a numerical value for ETCO2. In contrast, capnography delivers a more comprehensive measurement that is displayed in both graphical (waveform) and numerical form. Sidestream devices can monitor both intubated and non-intubated patients, while mainstream devices are most often limited to intubated patients.

Role of Physiotherapist in exercise testing and exercise prescription for Lun...manivel arumugam

��

Oxygen therapy and toxicitykrishna dhakal

��

Oxygen therapy involves administering oxygen at concentrations higher than in ambient air to treat hypoxemia or hypoxia. It works by increasing oxygen content in the blood and oxygen flux to tissues. While beneficial, high concentrations of oxygen can cause toxicity issues like pulmonary toxicity from exposure to partial pressures over 50kPa and CNS toxicity over 1 atmosphere. Care must be taken to avoid complications like hypoventilation, retinopathy of prematurity, absorption atelectasis, and fire hazards.

CARDIOPULMONARY EXCERCISE TESTING.PPT-EDIT.pptxVIJAYKUMAR532740

��

Lec1 Simple system.ppt refrigeration systemAymanEldesoukey3

��

This document provides details on refrigeration systems and a refrigeration course. It includes: - An overview of simple vapor compression refrigeration cycles and their components. - Thermodynamic analysis equations for refrigeration capacity, compressor work, heat rejected, COP, and other parameters. - Explanations of volumetric efficiency, compressor dimensions, and piston displacement calculations. - An example problem calculating refrigerant flow rate, compressor power, cylinder dimensions, COP, and efficiency for a given refrigeration system. - A discussion of differences between the standard and actual refrigeration cycles, including non-ideal effects. - Course details like topics, teaching methods, assessments, references and coordination information for a

Pulmonary function testsJaber Manasia

��

Pulmonary function tests (PFTs) measure how well the lungs take in and release air and transfer oxygen to blood. PFTs include spirometry, lung volumes, gas exchange tests, and exercise tests. Spirometry specifically measures volumes of air inhaled and exhaled over time through forced maneuvers, including forced vital capacity (FVC) and forced expiratory volume in 1 second (FEV1). PFTs are used to screen and diagnose obstructive and restrictive lung diseases, evaluate patients prior to surgery or weaning from ventilators, and monitor response to treatment.

Team2_Presentation_ECE6414_S16Tianhao Li

��

The document summarizes the design of a pulse oximeter system-on-chip (SoC) capable of measuring blood oxygen saturation (SpO2) and heart rate. Key components of the design include low-power op-amps, transimpedance amplifiers, zeroing circuits, demodulators, filters, automatic gain control, LED drivers, and an 8-bit SAR ADC. Simulation results show the SoC achieves power consumption of 4.782 mW, compared to commercial pulse oximeters that consume 20-120 mW. The design meets performance targets for accuracy, bandwidth, and power, demonstrating its potential for low-power wearable pulse oximetry applications.

Asea athletics vt_studyMary Powers LMT

��

PiCCO Monitor OsamaElazzouny

��

This document discusses PiCCO (Pulse Contour Cardiac Output) monitoring. PiCCO enables assessment of a patient's hemodynamic status by measuring various volumetric and cardiac parameters. It requires a central venous pressure catheter and arterial line. PiCCO works by transpulmonary thermodilution, using cold saline injections to calculate volumes, and pulse contour analysis of the arterial waveform to provide continuous cardiac output monitoring. The document defines various parameters measured by PiCCO like preload, contractility, lung function, and afterload, and provides normal ranges. It also outlines indications, contraindications and the decision tree for hemodynamic monitoring using PiCCO.

Vo2 maxMatt Sanders

��

VO2 max is the maximum amount of oxygen the body can utilize during exercise. It is measured using equipment like a metabolic cart or treadmill along with a mouthpiece and nose clips. The measurement involves exercising to exhaustion while oxygen intake and carbon dioxide output are measured. VO2 max is important because it is the best indicator of cardiovascular fitness and aerobic capacity, though other factors also influence endurance. A higher VO2 max is associated with lower risk of heart disease. Coaches use VO2 max measurements to design effective training programs tailored to individual athletes' physiological capacities.

Cardiac Work Output by Rana Tarek TA.pptxRanaTarek41

��

FISIOLOGI SENAM laboratory testing to improve triathlon performanceAmin Upsi

��

Physiological testing can help triathletes improve performance by determining strengths and weaknesses, benchmarking abilities, creating accurate training zones, monitoring progress, and evaluating training programs. Both laboratory and field tests are useful, with lab tests providing the most accurate measurements but not always being practical or sport-specific. Key variables that can be measured include VO2 max, lactate threshold, ventilatory threshold, exercise metabolism, and fuel efficiency. Regular testing allows athletes to track changes and fine-tune training, though it needs to be balanced to avoid over-testing.

ACCESS - CE- 2024 08 Z-Vent presentation.pptxRobert Cole

��

lung volume and capacity - lecture.pptxLinaNaji1

��

This document provides information about respiratory air flow and volume measurements. It introduces spirometry for measuring respiratory variables and analyzing recordings to derive parameters like tidal volume, inspiratory reserve volume, expiratory reserve volume, residual volume, inspiratory capacity, expiratory capacity, functional residual capacity, vital capacity, and total lung capacity. It describes setup for spirometry and how to perform exercises to examine lung volumes/capacities and simulate an airway obstruction. Restrictive disorders reduce lung volume while obstructive disorders reduce airflow. Spirometry results like FEV1 and FEV1/FVC ratio can help distinguish between the two.

Lab and field testing to improve performanceChris Sweet

��

Baseline testing allows athletes to monitor and improve their fitness levels. Field testing can be conducted by the athlete in the pool, on the road or on the track. Laboratory testing on the other hand, provides the most accurate measurements by utilizing a controlled environment. For this presentation, USAT Certified Triathlon Coach Chris Sweet and Laura Wheatley (MS Exercise Physiology) will offer participants a basic introduction to field and laboratory testing and how to utilize test results to improve triathlon performance. Participants will receive a handout that covers basic field test procedures for determining lactate threshold as well as practical baseline workouts.

41-capnography.pptHisham Gamal

��

Capnography involves the measurement of exhaled carbon dioxide (CO2) to provide information about respiratory processes and ventilation. It depicts all three components of respiration by measuring CO2 production, transport from tissues to the lungs, and elimination from the lungs. Normal end-tidal CO2 values are 35-45 mmHg, as measured by a capnograph. The capnogram waveform validates the numerical CO2 measurement and can reveal information about airway obstruction, ventilation issues, or cardiopulmonary arrest. Capnography is a useful monitoring tool in medical settings.

Understanding the Issues Affecting the Accuracy of Measuring Oxygen Consumpti...InsideScientific

��

LIVE WEBINAR: Thursday, December 7, 2017 Sponsor: http://www.aeitehcnologies.com/ During this webinar Phil Loeb introduces the measurements, variables and factors in determining VO2. He examines common sources of error and challenges that influence accuracy and reproducibility, and reviews validation methods commonly used by the research community. Following, Danny Rutar, Managing Director of Redback Biotek, presents best-practices, as embodied by the MOXUS Metabolic Cart, that are proven to minimize data error. Background information: Metabolic Carts have been used for decades as a means of measuring Oxygen Consumption, VO2, via indirect calorimetry. However, the accuracy of these systems is generally not well known nor well understood -- there is no universally accepted standard for determining the accuracy, or the validity, of Metabolic Cart measurements. In addition, scientists often do not have access or an appreciation for the specific calculations that are being used by these systems to calculate VO2 and other metabolic data. Collectively, this makes it challenging for researchers and physicians to understand if their data is valid.

Vmax and Innocor presentation

1. Vmax and Innocor Acomparisonoftwometaboliccartsduringrestandexercise Zach Blain

2. Methods • The volume of oxygen consumed and utilized by working muscle per minute during rest or exercise. • Defined by Fick: • VO2 = Q × a-vO2 difference • Q = SV × HR • Q= Cardiac output; SV= Stroke volume; HR= Heart rate • Calculated as: • VO2 = [VE × (FEN2 / FIN2) × FIO2] – [VE × FEO2] • VE= Ventilation, volume/min; FEN2= Fraction of expired nitrogen; FIN2= Fraction of inspired nitrogen; FIO2= Fraction of inspired oxygen; FEO2= Fraction of expired oxygen • To measure Q • Pulmonary artery catheter (PAC) • To measure a-vO2 Diff • Arterial venous catheter • blood sampling

3. How they work Innocor • Flowmeter • Gas Analyzer • Oxygen sensor Vmax • Flow/Volume • O2 Analyzer • CO2 Analyzer • Flash Multi-Gas Innocor Vmax

4. Purpose The aim of this study is to compare the metabolic measurements between Vmax and Innocor simultaneously during rest and exercise. Hypothesis It is hypothesized that there will be no difference between Vmax and Innocor during rest and exercise.

5. Design and Protocol • Simultaneous measurements • Baseline • 50 W • 100 W • 150 W • 200 W • 250 W • 300 W • Staged steady state exercise - 2 minutes

6. Demographics Patient Demographics Participants(male/female) 7 (4/3) Age (years) 24 ± 3 Height (cm) 171 ± 8 Weight (kg) 73 ± 20 BMI (kg/m²) 25 ± 6

7. Absolute VO2/ VCO2 vs. Workloads 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 0 50 100 150 200 250 300 VO₂(L/min) Workload (Watts) Vmax Innocor * * Significant Difference P< 0.05 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 0 50 100 150 200 250 300 VCO₂(L/min) Workload (Watts) Vmax Innocor * Figure 2: Absolute VO2 (L/min) vs Workload (Watts) Figure 3: Absolute VCO2 (L/min) vs Workload (Watts)

8. Ventilation 0 0.5 1 1.5 2 2.5 3 3.5 4 0 50 100 150 200 250 300Vt(litersperbreath) Workload (Watts) Vmax Innocor 0 10 20 30 40 50 0 50 100 150 200 250 300 RR(breathspermin) Workload (Watts) Vmax Innocor Figure 4: Respiration rate (breaths per min) vs. Workload (Watts) Figure 5: Tidal volume (liters per breath) vs. Workload (Watts)

9. Discussion • No significant change in results for low workloads • After 200W there becomes a deviation in the results • No significant difference in the respiration, at any workload • VO2 and VCO2 at high workloads (300W) • Account for gas analysis • FIO2 and FEO2

10. Features Features Safe Yes Yes Start up cost 160,000 60,000 Mobility Minimal Maximal Skill required Maximal Minimal Range Rest- Maximal? Rest-Maximal? Issues Technician Mouthpiece discomfort Vmax Innocor

11. Conclusion Both Vmax and Innocor can attain similar results for lower workloads, but begin to drift during higher workloads.

12. Acknowledgments • Brad Byers • Desi Fuhr • Karishma Kapoor • Linn Moore • Melissa Bouwsema • Michael Stickland • Vince Tedjasaputra

13. References • Allen et al. (2013). ACSM’s Guidelines for exercise testing and prescription. Baltimore, MD. Wolters Kluwer, Lippincott Williams &Wilkins • Beekley et al. (2004). Cross-Validation of the YMCA Submaximal Cycle Ergometer Test to Predict VO2max. Research Quarterly for Exercise and Sport. 75:3, 337-342. • CareFusion Corporation. (2014). Vmax Encore Metabolic Cart. Retrieved from www.carefusion.com • Innovision ApS. (2014). Innocor. Retrieved from www.innovision.dk • Stringer, W. Hansen, J. Wasserman, K. (1997). Cardiac output estimated noninvasively from oxygen uptake during exercise. J Appl Physiol 82:908-912. • Welch, HG. Pedersen, PK. (1981). Measurement of metabolic rate in hyperoxia. J Appll Physiol Respir Environ Exerc Physiol. Sep; 51(3): 725-31.

14. 15 20 25 30 35 40 45 50 55 50 100 150 200 250 300 VO2(ml/kg/min) Workload (Watts) Vmax Innocor Predicted VO2 Figure 6: Relative VO2 (ml/kg/min) vs. Workloads (Watts) VO2 = (Watts (Watts)/ Bodyweight (kg) × 10.8) + 7ml/kg/min

Editor's Notes

#3: The Gold Standard for VO2 Highly invasive
#4: Both Innocor and Vmax has many features for measuring. Such as: Cardiac output or spirometry. However, the main focus was on the breath by breath method Innocor –GAS, Photo acoustic spectroscopy; Oxygen, Laser absorption spectroscopy; Flow, Differential pressure Vmax- Flow, Mass flow sensor; Oxygen, Electro chemical cell; CO2 & Flash multi-gas, non-disersice infrared, thermopile
#6: If the individuals was not at steady state, we would hold the stage for an additional minute T-test was used to compare innocor and vmax at each workload Steady State- VO2 (L/min) 0.150ml -VCO2 (L/min) 0.150ml -VO2 (ml/kg/min) 2-3 ml/kg/min
#15: An article from Beekley. He preformed a cross-validation of the YMCA to predict VO2. The mean difference between the CE VO2max and the YMCA test was 6.83 ml/kg/min. 10.8 = O2 cost of cycling against external load (resistance) 7 = O2 cost of cycling with zero load

�ݺ�ߣ

Vmax and Innocor presentation

Recommended

More Related Content

Similar to Vmax and Innocor presentation (20)

Vmax and Innocor presentation

Editor's Notes