International Journal of Cardiovascular Sciences. 08/nov/2021;34(6):732-3.
Breathing and Cardiovascular Patterns: What can we Learn from Respiratory Exercises?
In the current issue of the International Journal of Cardiovascular Sciences, Fetter and colleagues found that respiratory movements of the abdominal cavity and rib cage, evaluated by circumferences measurements, were higher in Yoga practitioners than in an age-matched sedentary group. Also, the study confirmed that Yoga practitioners showed higher maximal expiratory strength and lower heart rate at rest than non-practitioners.
Yoga has been recommended as a non-pharmacological therapy to control cardiovascular risk factors. Respiratory exercises are part of the Yoga program that includes abdominal and rib cage expansion by rhythmic movements. – It was demonstrated that four months of Yoga respiratory training improved inspiratory and expiratory muscle strength, forced vital capacity and quality of life in healthy elderly. Another study demostrated that Yoga influenced cardiorespiratory control, affecting the resting sympatho-vagal balance, with a shift from vagal to sympathetic predominance, reflecting a sympathetic withdrawal. Several disease subsets are marked by autonomic dysfunction characterized by sympathetic overactivity at rest, and in this context, respiratory exercises such as Yoga may be a potential countermeasure.
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