A method of determining anaerobic threshold from percutaneous oxygen saturation
Pressler, A. et al. An internet-delivered exercise intervention for workplace health promotion in overweight, sedentary employees: A randomized trial. Prev. Med. 51, 234–239 (2010).
Myers, J. et al. Exercise capacity and mortality among men referred for exercise testing. N. Engl. J. Med. 346, 793–801 (2002).
Wen, C. P. et al. Minimum amount of physical activity for reduced mortality and extended life expectancy: A prospective cohort study. Lancet 378, 1244–1253 (2011).
Schnohr, P., O’Keefe, J. H., Marott, J. L., Lange, P. & Jensen, G. B. Dose of jogging and long-term mortality: The Copenhagen City Heart Study. J. Am. Coll. Cardiol. 65, 411–419 (2015).
Belardinelli, R., Georgiou, D., Cianci, G. & Purcaro, A. 10-year exercise training in chronic heart failure: A randomized controlled trial. J. Am. Coll. Cardiol. 60, 1521–1528 (2012).
Flynn, K. E. et al. Effects of exercise training on health status in patients with chronic heart failure: HF-ACTION randomized controlled trial. JAMA 301, 1451–1549 (2009).
Clark, A. M., Hartling, L., Vandermeer, B. & McAlister, F. A. Meta-analysis: Secondary prevention programs for patients with coronary artery disease. Ann. Intern. Med. 143, 659–672 (2005).
Myers, J. Cardiology patient pages Exercise and cardiovascular health. Circulation 107, e2–e5 (2003).
Blair, S. N. et al. Physical fitness and all-cause mortality. A prospective study of healthy men and women. JAMA 262, 2395–2401 (1989).
Bergman, B. C. & Brooks, G. A. Respiratory gas-exchange ratios during graded exercise in fed and fasted trained and untrained men. J. Appl. Physiol. 86, 479–487 (1985).
Dimeo, F. et al. Aerobic exercise reduces blood pressure in resistant hypertension. Hypertension 60, 653–658 (2012).
Dumortier, M. et al. Low intensity endurance exercise targeted for lipid oxidation improves body composition and insulin sensitivity in patients with the metabolic syndrome. Diabetes Metab. 29, 509–518 (2003).
Earnest, C. P. et al. Aerobic and strength training in concomitant metabolic syndrome and type 2 diabetes. Med. Sci. Sports Exerc. 46, 1293–1301 (2014).
Tanaka, K. et al. A longitudinal assessment of anaerobic threshold and distance-running performance. Med. Sci. Sports Exerc. 16, 278–282 (1984).
Wasserman, K. et al. Determination of the anaerobic threshold by gas exchange: Biochemical considerations, methodology and physiological effects. Z. Kardiol. 83, 1–12 (1994).
Wasserman, K. The anaerobic threshold measurement to evaluate exercise performance. Am. Rev. Respir. Dis. 129, S35–S40 (1984).
Wasserman, K., Whipp, B. J., Koyl, S. N. & Beaver, W. L. Anaerobic threshold and respiratory gas exchange during exercise. J. Appl. Physiol. 35, 236–243 (1973).
Ozcelik, O. & Kelestimur, H. Effects of acute hypoxia on the estimation of lactate threshold from ventilatory gas exchange indices during an incremental exercise test. Physiol. Res. 53, 653–659 (2004).
Farrell, P. A., Wilmore, J. H., Coyle, E. F., Billing, J. E. & Costill, D. L. Plasma lactate accumulation and distance running performance. Med. Sci. Sports Exerc. 11, 338–344 (1979).
Svedahl, K. & MacIntosh, B. R. Anaerobic threshold: The concept and methods of measurement. Can. J. Appl. Physiol. 28, 299–323 (2003).
Gaskill, S. E. et al. Validity and reliability of combining three methods to determine ventilatory threshold. Med. Sci. Sports Exerc. 33, 1841–1848 (2001).
Levett, D. Z. H. et al. Perioperative cardiopulmonary exercise testing (CPET): Consensus clinical guidelines on indications, organization, conduct, and physiological interpretation. Br. J. Anaesth. 120, 484–500 (2018).
Cao, M. et al. Transcutaneous PCO2 for exercise gas exchange efficiency in chronic obstructive pulmonary disease. COPD 18, 16–25 (2021).
Seki, Y. et al. A novel device for detecting anaerobic threshold using sweat lactate during exercise. Sci. Rep. 11, 4929 (2021).
Riley, M. et al. Association between the anaerobic threshold and the break-point in the double product/work rate relationship. Eur. J. Appl. Physiol. Occup. Physiol. 75, 14–21 (1997).
Hopkins, S. R. Exercise induced arterial hypoxemia: The role of ventilation–perfusion inequality and pulmonary diffusion limitation. Adv. Exp. Med. Biol. 588, 17–30 (2006).
Tang, J., Mandrusiak, A. & Russell, T. The feasibility and validity of a remote pulse oximetry system for pulmonary rehabilitation: A pilot study. Int. J. Telemed. Appl. https://doi.org/10.1155/2012/798791 (2012).
Hansen, D., Dendale, P., Berger, J. & Meeusen, R. Rehabilitation in cardiac patients: What do we know about training modalities?. Sports Med. 35, 1063–1084 (2005).
Nellcor™ N-BSJ, Nellcor™ N-BSJP, Bedside SpO2 Patient Monitoring System. https://www.medtronic.com/content/dam/covidien/library/jp/ja/product/pulse-oximetry/nellcor-bedside-SpO2-patient-monitoring-system-sales-sheet.pdf (accessed on 20 February 2022).
Mucci, P., Blondel, N., Fabre, C., Nourry, C. & Berthoin, S. Evidence of exercise-induced O2 arterial desaturation in non-elite sportsmen and sportswomen following high-intensity interval-training. Int. J. Sports Med. 25, 6–13 (2004).
Williams, J. H., Powers, S. K. & Stuart, M. K. Hemoglobin desaturation in highly trained athletes during heavy exercise. Med. Sci. Sports Exerc. 18, 168–173 (1986).
Mucci, P., Prioux, J., Hayot, M., Ramonatxo, M. & Préfaut, C. Ventilation response to CO2 and exercise-induced hypoxaemia in master athletes. Eur. J. Appl. Physiol. Occup. Physiol. 77, 343–351 (1998).
Nikooie, R., Gharakhanlo, R., Rajabi, H., Bahraminegad, M. & Ghafari, A. Noninvasive determination of anaerobic threshold by monitoring the % SpO2 changes and respiratory gas exchange. J. Strength Cond. Res. 23, 2107–2113 (2009).
Martín-Escudero, P., Cabanas, A. M., Fuentes-Ferrer, M. & Galindo-Canales, M. Oxygen saturation behavior by pulse oximetry in female athletes: Breaking myths. Biosensors (Basel) 11, 391 (2021).
Prefaut, C., Durand, F., Mucci, P. & Caillaud, C. Exercise-induced arterial hypoxaemia in athletes: A review. Sports Med. 30, 47–61 (2000).
Durand, F., Mucci, P. & Préfaut, C. Evidence for an inadequate hyperventilation inducing arterial hypoxemia at submaximal exercise in all highly trained endurance athletes. Med. Sci. Sports Exerc. 32, 926–932 (2000).
Ng, H. L., Trefz, J., Schönfelder, M. & Wackerhage, H. Effects of a taped filter mask on peak power, perceived breathlessness, heart rate, blood lactate and oxygen saturation during a graded exercise test in young healthy adults: A randomized controlled trial. BMC Sports Sci. Med. Rehabil. 14, 19 (2022).
Marinari, S. et al. Accuracy of a new pulse oximetry in detection of arterial oxygen saturation and heart rate measurements: The SOMBRERO Study. Sensors (Basel) 22, 1–18 (2022).
Dominelli, P. B. & Sheel, A. W. Exercise-induced arterial hypoxemia; Some answers, more questions. Appl. Physiol. Nutr. Metab. 44, 571–579 (2019).
Smith, R. N. & Hofmeyr, R. Perioperative comparison of the agreement between a portable fingertip pulse oximeter V. A conventional bedside pulse oximeter in adult patients (COMFORT trial). S. Afr. Med. J. 26, 154–158 (2019).
Nguyen, B. V. et al. The accuracy of noninvasive hemoglobin measurement by multiwavelength pulse oximetry after cardiac surgery. Anesth. Analg. 113, 1052–1057 (2011).
Montes, J. et al. Reliability of the polar T31 uncoded heart rate monitor in free motion and treadmill activities. Int. J. Exerc. Sci. 12, 69–76 (2019).
Valbuena, V. S. M. et al. Racial and ethnic bias in pulse oximetry and clinical outcomes. JAMA Intern. Med. 182, 699–700 (2022).
Wong, A. I. et al. Analysis of discrepancies between pulse oximetry and arterial oxygen saturation measurements by race and ethnicity and association with organ dysfunction and mortality. JAMA Netw. Open 4, 1–14 (2021).
Iyriboz, Y., Powers, S., Morrow, J., Ayers, D. & Landry, G. Accuracy of pulse oximeters in estimating heart rate at rest and during exercise. British J. Sports Med. 25(3), 162–164 https://doi.org/10.1136/bjsm.25.3.162 (1991).