Throughout all the tests, gas exchange variables (MetaMax Cortex 3B, CORTEX Biophysik GmbH, Germany) were measured on a breath-by-breath basis and displayed online. Prior to each test, the gas analysers were calibrated using gases of known concentration and the turbine volume transducer was calibrated using a 3-litre syringe (Hans Rudolph, Kansas City, MO). The delay in the capillary gas transit and analyser rise time were accounted for relative to the volume signal, thereby time-aligning the concentration and volume signals. Additionally, two combined tri-axial accelerometers and tri-axial magnetometers (SLAM Tracker, Wildbyte Technologies Ltd, Swansea, UK), measuring at 60 Hz, were worn by participants; one set was worn on the right mid-axilla line at the level of the iliac crest and one set at the middle of the lower back.
3 litre syringe
Manufactured by Hans Rudolph
Sourced in United States, Macao
The 3-litre syringe is a laboratory equipment item used for various fluid handling tasks. It has a capacity of 3 litres and is designed to accurately measure and transfer liquids.
Automatically generated - may contain errors
4 protocols using 3 litre syringe
1
Breath-by-Breath Gas Exchange Monitoring
2
Pulmonary Gas Exchange during Cycling
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Pulmonary gas exchange and ventilation were measured during the cycling exercise (Vmax TM Encore, Yorba, Linda, CA). Before each session the analysers were calibrated using gases of known concentration. The volume transducer was calibrated using a 3-litre syringe (Hans Rudolph, Kansas City, MO, USA).
3
Cardiorespiratory Measurement Protocol
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Throughout both exergames and the incremental treadmill test, heart rate (Polar S610, Polar Electro Oy, Kempele, Finland) and gas exchange variables (MetaMax 3B, Cortex, Biophysik, Leipzig, Germany), measured on a breath-by-breath basis, were displayed online. Prior to each participant, the gas analysers were calibrated using gases of known concentration and the turbine volume transducer was calibrated using a 3-litre syringe (Hans Rudolph, Kansas City, MO). The delays in the capillary gas transit and analyser rise time were accounted for relative to the volume signal, thereby time-aligning the concentration and volume signals.
4
Multisite Kinematic Monitoring in Exergaming
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Throughout both exergames, the incremental treadmill test, and in the rest time between activities, gas exchange variables were measured on a breath-by-breath basis (MetaMax 3B, Cortex, Biophysik, Leipzig, Germany). Prior to testing each participant, the gas analysers were calibrated using gases of known concentration and the turbine volume transducer was calibrated using a 3-litre syringe (Hans Rudolph, Kansas City, MO). The delays in the capillary gas transit and analyser rise time were accounted for relative to the volume signal, thereby time-aligning the concentration and volume signals.
Furthermore, during both exergames and the incremental treadmill test, participants were fitted with nine tri-axial accelerometers (Actigraph wGT3X+, Florida, USA), set at a measurement frequency of 100 Hz. Specifically, participants were asked to wear an accelerometer on the lateral plane of each ankle, knee, hip, wrist and centre of the chest which were fitted using self-adhering bandages at each location to minimize movement artefacts.
Furthermore, during both exergames and the incremental treadmill test, participants were fitted with nine tri-axial accelerometers (Actigraph wGT3X+, Florida, USA), set at a measurement frequency of 100 Hz. Specifically, participants were asked to wear an accelerometer on the lateral plane of each ankle, knee, hip, wrist and centre of the chest which were fitted using self-adhering bandages at each location to minimize movement artefacts.
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