Tim Brunson DCH

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Resonances in the cardiovascular system caused by rhythmical muscle tension.

Posted At : August 20, 2011 2:50 PM | Posted By : Tim Brunson, PhD
Related Categories: Biofeedback


Paced 0.1 Hz breathing causes high-amplitude HR oscillation, triggering resonance in the cardiovascular system (CVS). This oscillation is considered to be a primary therapeutic factor in HRV biofeedback treatments. This study examined whether rhythmical skeletal muscle tension (RSMT) can also cause 0.1 Hz resonance in the CVS, and compared oscillatory reactivity in CVS functions caused by RSMT and paced breathing (PB). Sixteen young healthy participants completed five tasks: baseline, three RSMT tasks at frequencies of 0.05, 0.1, and 0.2 Hz, and a 0.1 Hz PB task. ECG, respiration, finger pulse, and skin conductance data were collected. Results showed that 0.1 Hz RSMT as well as 0.1 Hz PB triggered resonance in the CVS and caused equivalent oscillations in all measured CVS functions, although in women, RSMT compared to PB caused lower HR oscillation. Clinical application of 0.1 Hz RSMT is discussed.

Psychophysiology. 2011 Jul;48(7):927-36. doi: 10.1111/j.1469-8986.2010.01156.x. Epub 2010 Dec 10. Vaschillo EG, Vaschillo B, Pandina RJ, Bates ME. Center of Alcohol Studies, Rutgers-The State University of New Jersey, Piscataway, New Jersey, USA.

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Resonances in the cardiovascular system caused by rhythmical muscle tension.

Posted At : August 20, 2011 2:50 PM | Posted By : Tim Brunson, PhD
Related Categories: Biofeedback


Paced 0.1 Hz breathing causes high-amplitude HR oscillation, triggering resonance in the cardiovascular system (CVS). This oscillation is considered to be a primary therapeutic factor in HRV biofeedback treatments. This study examined whether rhythmical skeletal muscle tension (RSMT) can also cause 0.1 Hz resonance in the CVS, and compared oscillatory reactivity in CVS functions caused by RSMT and paced breathing (PB). Sixteen young healthy participants completed five tasks: baseline, three RSMT tasks at frequencies of 0.05, 0.1, and 0.2 Hz, and a 0.1 Hz PB task. ECG, respiration, finger pulse, and skin conductance data were collected. Results showed that 0.1 Hz RSMT as well as 0.1 Hz PB triggered resonance in the CVS and caused equivalent oscillations in all measured CVS functions, although in women, RSMT compared to PB caused lower HR oscillation. Clinical application of 0.1 Hz RSMT is discussed.

Psychophysiology. 2011 Jul;48(7):927-36. doi: 10.1111/j.1469-8986.2010.01156.x. Epub 2010 Dec 10. Vaschillo EG, Vaschillo B, Pandina RJ, Bates ME. Center of Alcohol Studies, Rutgers-The State University of New Jersey, Piscataway, New Jersey, USA.

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