Imagery strategy affects spinal motor neuron excitability

Bunno, Yoshibumi

doi:10.1097/wnr.0000000000001218

Cited by 16 publications

(24 citation statements)

References 21 publications

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“…Thus, low (i.e., 10% MVC) imagined muscle contraction strengths might be sufficient for stimulation of spinal motor neuron excitability and muscle strength. Our research [25,41,50] also revealed that kinesthetic imagery can better stimulate spinal motor neuron excitability and that spinal motor neuron excitability remained higher than the at-rest value until 3 min after MI initiation. Therefore, to increase the effects of MI, kinesthetic perception should be chosen as the imagery strategy.…”

Section: How To Use MI In Physical Therapy?supporting

confidence: 55%

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Effectiveness of Motor Imagery on Physical Therapy: Neurophysiological Aspects of Motor Imagery

Bunno¹

2020

Physical Therapy Effectiveness

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Immediate enrollment in physical therapy and facilitation of the spinal motor neuron excitability are very important. We previously suggested that the F-wave parameters were significantly increased during motor imagery. Thus, motor imagery is a beneficial method to facilitate the spinal motor neuron excitability for patients with various motor dysfunctions. We also indicated that the imagined muscle contraction strength may not affect the spinal motor neuron excitability. Additionally, kinesthetic imagery can more facilitate the spinal motor neuron excitability; however, longer duration of motor imagery may decrease the spinal motor neuron excitability. Thus, when applying motor imagery to physical therapy, slight imagined muscle contraction strength may be sufficient to facilitate the spinal motor neuron excitability, and the duration and strategy of imagery should be considered.

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Section: How To Use MI In Physical Therapy?supporting

confidence: 55%

“…MI includes various components of perception that can be associated with actual movement [49], which is why the effects of MI may differ depending on the choice of sensory modality. Here, we used F-wave and MI ability to investigate whether the choice of imagery strategy affects the spinal motor neuron excitability [50].…”

Section: Physical Therapy Effectivenessmentioning

confidence: 99%

Effectiveness of Motor Imagery on Physical Therapy: Neurophysiological Aspects of Motor Imagery

Bunno¹

2020

Physical Therapy Effectiveness

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“…Also, persistence was increased during motor imagery. But, the F/M amplitude ratio was only increased during kinesthetic muscle motor imagery in 10% MVC group [48]. Kinesthetic motor imagery was having high effect on the improvement of motor performance than vision image [39].…”

Section: Motor Imagery Effect For the Other Side 71 Motor Imagery Efmentioning

confidence: 80%

Effective Motor Imagery Application: Examining Spinal Cord Excitability from the F-Wave and Autonomic Nervous Activity from LF/HF

Fukumoto¹

2020

Somatosensory and Motor Research

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Motor imagery can be helpful for the therapeutic approach for the patients who have difficulty in the actual motion. This chapter explains the following important six points for getting high-effective motor imagery based on the neuroscience. First, excitability of spinal motor neuron was increased by motor imagery. However, adding effect on breathing state, both expiration and inspiration phase on the relax respiration, does not influence the excitability of spinal motor neuron. Also, motor imagery increased the excitability of spinal motor neuron and cardiac sympathetic nerve activity. However, vividness of motor imagery was to converge a degree. Motor practice before motor imagery was important. Motor practice was appropriate for 30 s using intermittent visual feedback, and for doing motor imagery, time enough was 1 min. Adding motor imagery method was a recommended composite for kinesthetic and visual motor imagery. Unfortunately, motor imagery has few effects for the other hand. Therefore, motor imagery should be done on the ipsilateral side from the previous motor practice.

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“…Therefore, the effects of MI may differ depending on the choice of sensory modality. Then, we investigated that imagery strategy on the excitability of spinal motor neurons [53].…”

Section: The Influence Of Imagery Strategy On the Excitability Of Spimentioning

confidence: 99%

Motor Imagery for Neurorehabilitation: The F-Wave Study

Bunno¹

2020

Somatosensory and Motor Research

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The immediate enrollment in rehabilitation program and facilitation of the excitability of spinal motor neurons are very important for post-stroke patients. We previously suggested that persistence and the F/M amplitude ratio, indicator of the excitability of spinal motor neurons, were significantly increased during MI. Thus, MI has a greater effect on the excitability of spinal motor neurons. We also indicated that the imagined muscle contraction strength may not affect the excitability of spinal motor neurons. Further, kinesthetic imagery can more facilitate the excitability of spinal motor neurons. However, longer duration of MI may not affect the excitability of spinal motor neurons. Therefore, slight imagined muscle contraction strength may be sufficient to facilitate the excitability of spinal motor neurons, and duration and strategy of imagery should be considered in neurorehabilitation.

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Imagery strategy affects spinal motor neuron excitability

Cited by 16 publications

References 21 publications

Effectiveness of Motor Imagery on Physical Therapy: Neurophysiological Aspects of Motor Imagery

Effectiveness of Motor Imagery on Physical Therapy: Neurophysiological Aspects of Motor Imagery

Effective Motor Imagery Application: Examining Spinal Cord Excitability from the F-Wave and Autonomic Nervous Activity from LF/HF

Motor Imagery for Neurorehabilitation: The F-Wave Study

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