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BMJ Open Sport Exerc Med. 2021 Mar 23;7(1):e000907. doi: 10.1136/bmjsem-2020-000907. eCollection 2021.
INTRODUCTION: The measurement of coronary heart charge is usually used to estimate train depth. Nonetheless, throughout endurance efficiency, the connection between coronary heart charge and oxygen consumption could also be compromised by cardiovascular drift. This physiological phenomenon primarily consists of a time-dependent improve in coronary heart charge and reduce in systolic quantity and will result in overestimate absolute train depth in prediction fashions based mostly on coronary heart charge. Earlier analysis has established that cardiovascular drift is correlated to the rise in core physique temperature throughout extended train. Subsequently, monitoring physique temperature throughout train might permit to quantify the rise in coronary heart charge attributable to cardiovascular drift and to enhance the estimate of absolute train depth. Monitoring core physique temperature throughout train could also be invasive or inappropriate, however the exterior auditory canal is an simply accessible different website for temperature measurement.
METHODS AND ANALYSIS: This examine goals to evaluate the diploma of correlation between traits in coronary heart charge and in ear temperature throughout 120 min of steady-state biking with depth of 59% of coronary heart charge reserve in a thermally impartial indoor setting. Ear temperature can be monitored each on the exterior auditory canal degree with a contact probe and on the tympanic degree with knowledgeable infrared thermometer.
ETHICS AND DISSEMINATION: The examine protocol was authorised by an impartial ethics committee. The outcomes can be submitted for publication in tutorial journals and disseminated to stakeholders by means of abstract paperwork and knowledge conferences.