Effect of Acute Heart Rate Variability Biofeedback on H-reflex Modulation: A Pilot Study

Heart rate variability biofeedback (HRV BFB) is paced breathing scheme that stimulates resonance in the cardiovascular system. This study aimed to investigate the effect of a single-session HRV BFB on Hoffman reflex (H-reflex) of the soleus muscle. Twelve healthy males (height: 173.7 ± 7.18 cm; weig...

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Detalles Bibliográficos
Autores principales: Pagaduan, Jeffrey Cayaban, Wu, Sam Shi Xuan, Fell, James William, Chen, Yung-Sheng
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Sciendo 2021
Materias:
Motor Control
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7877276/
https://www.ncbi.nlm.nih.gov/pubmed/33603926
http://dx.doi.org/10.2478/hukin-2021-0001
Descripción
Sumario:Heart rate variability biofeedback (HRV BFB) is paced breathing scheme that stimulates resonance in the cardiovascular system. This study aimed to investigate the effect of a single-session HRV BFB on Hoffman reflex (H-reflex) of the soleus muscle. Twelve healthy males (height: 173.7 ± 7.18 cm; weight: 72.7 ± 17.7 kg; age: 24.0 ± 5.02 yrs) completed a randomized-crossover intervention involving a 10-minute HRV BFB and normal breathing (CON) separated by 48 hours. Results revealed significantly lower 1a afferent activation after HRV BFB. Similarly, the HRV BFB also demonstrated lower proportion of activated motor neurons from 1a afferents. In conclusion, an acute HRV BFB influenced the reduction in motoneuron excitability at resting condition.

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