Metabolic

Metabolic function during exercise is most often analyzed by interrogating the gas exchange occurring in the lungs of an exercising subject.

For a typical metabolic study for exercise physiology, the following variables are recorded:

Inspired or expired air flow using a pneumotach (spirometer and flow head)
Expired CO₂ and O₂ concentrations from a gas mixing chamber using a gas analyzer
Temperature of the expired air

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Integrate with wireless
physiological options

In conjunction with our complete system shown below, any device (i.e. ergometer, exercise bike, treadmill) with an analog output (+/- 10V) can be connected to a PowerLab data acquisition system for synchronization of event in LabChart. So you have even more flexibility and can integrate all your data streams in one place.

All of our hardware recommended for human use is backed by the appropriate safety certification standards. More information on safety standards.

Complete System

Exercise Physiology System

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A complete physiology recording system for monitoring cardiorespiratory and metabolic functions during exercise.

Components & Related Products

Typical Exercise Studies

Performance Testing

Respiratory Gas Analysis

Indirect Calorimetry

Pulmonary Function Analysis

Exercise Testing

Anaerobic Threshold

Signals Supported

The simultaneous measurement of respiratory gas concentrations and airflow with our metabolic systems permits the calculation of the following metabolic signals:

RER

Respiratory Exchange Ratio (RER) is the ratio between the volume of Carbon Dioxide produced and the volume of Oxygen being used (VCO2 /VO2).

Respiratory Flow

Spirometry is a non-invasive method of lung function testing, which measures the volumetric flow rate of air inhaled and exhaled. From this respiratory flow signal respiratory volume for a given time frame can be calculated using a simple integral.

Respiratory Gas Analysis

The changes in this gas mixture between inhalation and exhalation, combined with a measurement of respiratory flow, can be used to estimate metabolic rate.

VO2, the rate of oxygen consumptions (L/min)
VCO2, the rate of carbon dioxide production (L/min)

Temperature

Temperature is a useful tool in determining many factors such as subject health or the stability of an experimental preparation. It is also usefulas a calculation factor for comparing measurements taken in different states.

Volume

Accurately measure the volume of gas exhaled during respiration.

VE, the expired minute ventilation (L/min)

Flexible Data Acquisition

ADInstruments systems provide an integrated solution to advance life science research. With the combination of LabChart analysis software and a PowerLab data acquisition unit you have the flexibility to collect and synchronize a wide range of signals for analysis. We also offer a range of LabChart compatible solutions able to stream directly in LabChart.

LabChart

Enabling Discovery

LabChart data analysis software creates a platform for all of your recording devices to work together, allowing you to acquire biological signals from multiple sources simultaneously and apply advanced calculations and plots as your experiment unfolds.

LabChart and Metabolic

PowerLab

Data with Integrity

High-performance data acquisition hardware designed for life science research. PowerLab is engineered for precise, consistent, reliable data acquisition, giving you the reproducible data you need while meeting the strictest international safety standards.

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All your Metabolic analysis in one place

LabChart software is designed specifically for life science data and provides up to 32 channels for data display and analysis options that are powerful and easy to use. With auto-recognition of ADI and LabChart Compatible hardware, multi-window views, one touch recording, simultaneous recording from multiple devices, specialized preconfigured settings, easy sharing options and an interface that can be customized to show only the features you want to use.