The present study analyzed the differences in muscle oxygen saturation (SmO₂) between healthy subjects and patients with chronic diseases using the Moxy Monitor, a device that employs NIRS technology. The experimental protocol involved healthy subjects and chronic patients, and included two functional tests: the Six Minute Walking Test and the Arm Curl Test, chosen to evaluate both aerobic capacity and upper limb strength. During both tests, muscle oxygen saturation was monitored with the Moxy Monitor®. The results showed that patients with chronic diseases presented lower initial SmO₂ values, greater desaturation during activity and slower recovery compared to healthy subjects. The latter, on the contrary, demonstrated a better capacity for re-oxygenation after isometric exercise or after desaturation during aerobic exercise, as well as superior performance in terms of distance covered in the Six Minute Walking Test and number of repetitions in the Arm Curl Test. The data collected confirm the role of muscle oxygen saturation as a possible indicator of the functional state of the muscle and its ability to adapt to effort, emphasizing the importance of specific monitoring in peripheral limitation in frail subjects. In addition, the use of the Moxy Monitor® proved effective in supporting the functional analysis of the chronic patient, and confirms itself as a promising tool to personalizing and monitoring exercise interventions in preventive, rehabilitative and sports contexts.
Il presente studio ha analizzato le differenze nella saturazione muscolare di ossigeno (SmO2) tra soggetti sani e pazienti con patologie croniche utilizzando il Moxy Monitor®, strumento che sfrutta la tecnologia NIRS. Il protocollo sperimentale ha coinvolto soggetti sani e pazienti cronici, ed ha incluso due test funzionali: il Six Minute Walking Test e l’Arm Curl Test, scelti per valutare sia la capacità aerobica che la forza degli arti superiori. Durante entrambe le prove, la saturazione muscolare è stata monitorata con il Moxy Monitor®. I risultati hanno mostrato che i pazienti affetti da patologie croniche presentano valori di SmO2 iniziali inferiori, una maggiore desaturazione durante l’attività e un recupero più lento rispetto ai soggetti sani. Quest’ultimi al contrario, hanno dimostrato una migliore capacità di ri-ossigenazione post esercizio isometrico o dopo desaturazione durante esercizio aerobico, nonché una performance superiore in termini di distanza percorsa al Six Minute Walking Test e numero di ripetizioni all’Arm Curl Test. I dati raccolti confermano il ruolo della saturazione muscolare come possibili indicatori dello stato funzionale del muscolo e della capacità di adattamento allo sforzo, sottolineando l’importanza del monitoraggio specifico della limitazione periferica in soggetti fragili. Inoltre, l’utilizzo del Moxy Monitor® si è dimostrato efficace per supportare l’analisi funzionale del paziente cronico, e si conferma uno strumento promettente per personalizzare e monitorare interventi di esercizio in ambito preventivo, riabilitativo e sportivo.
Valutazione della saturazione muscolare dell'ossigeno in pazienti con patologie croniche confrontati con soggetti sani
BETTIN, SOFIA
2024/2025
Abstract
The present study analyzed the differences in muscle oxygen saturation (SmO₂) between healthy subjects and patients with chronic diseases using the Moxy Monitor, a device that employs NIRS technology. The experimental protocol involved healthy subjects and chronic patients, and included two functional tests: the Six Minute Walking Test and the Arm Curl Test, chosen to evaluate both aerobic capacity and upper limb strength. During both tests, muscle oxygen saturation was monitored with the Moxy Monitor®. The results showed that patients with chronic diseases presented lower initial SmO₂ values, greater desaturation during activity and slower recovery compared to healthy subjects. The latter, on the contrary, demonstrated a better capacity for re-oxygenation after isometric exercise or after desaturation during aerobic exercise, as well as superior performance in terms of distance covered in the Six Minute Walking Test and number of repetitions in the Arm Curl Test. The data collected confirm the role of muscle oxygen saturation as a possible indicator of the functional state of the muscle and its ability to adapt to effort, emphasizing the importance of specific monitoring in peripheral limitation in frail subjects. In addition, the use of the Moxy Monitor® proved effective in supporting the functional analysis of the chronic patient, and confirms itself as a promising tool to personalizing and monitoring exercise interventions in preventive, rehabilitative and sports contexts.| File | Dimensione | Formato | |
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https://hdl.handle.net/20.500.12608/96371