Somatosensory graviception inhibits soleus H-reflex gain in humans during walking.

Somatosensory graviception inhibits soleus H-reflex gain in humans during walking. Research Abstract Details 

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Somatosensory graviception inhibits soleus H-reflex gain in humans during walking. Abstract Text:

Tasuku Miyoshi,Keisuke Hotta,Shin-Ichiro Yamamoto,Kimitaka Nakazawa,Masami Akai,

To investigate the effects of gravity-related somatosensory information on spinal human reflexes, the soleus H-reflex was recorded in ten healthy subjects walking on a treadmill at 2.0 km/h on land and in water. The modulation pattern of the soleus H-reflex was determined in ten different phases of the step cycle. While the subjects were walking in water, the background electromyographic activity (BGA) of the soleus was lower than that on land; on the other hand, the soleus H-reflex amplitude while the subjects were walking in water showed no significant differences throughout the step cycle compared with that while the subjects were on land; the phase-dependent soleus H-reflex modulation pattern was well preserved while walking in water. There was a linear relationship between the BGA and the H-reflex amplitude in each condition; however, the soleus H-reflex gain while walking in water was significantly higher than that on land. These findings suggest that the somatosensory graviception can markedly reduce the spinal reflex excitability. Our findings are discussed in relation to human gait; therefore, further studies are needed to clarify the effect of somatosensory graviception on human neural mechanisms.

Somatosensory graviception inhibits soleus H-reflex gain in humans during walking. Publishing Authors By Initials

T Miyoshi,K Hotta,S Yamamoto,K Nakazawa,M Akai,

For similar therapeutics: exercise movement techniques: walking research abstracts see: therapeutics: exercise movement techniques: walking research

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Somatosensory graviception inhibits soleus H-reflex gain in humans during walking. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Experimental brain research. Experimentelle Hirnfo

VOLUME: 169

Page Numbers: 135-8

Journal Abbreviation:

ISSN: 0014-4819

DAY: 20

MONTH: 12

YEAR: 2005

Somatosensory graviception inhibits soleus H-reflex gain in humans during walking. Information

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LANGUAGE: eng

NlmUniqueID: 43312

Somatosensory graviception inhibits soleus H-reflex gain in humans during walking. Keywords Mesh Terms:

KEYWORDS: Walking

MESH TERMS: physiology

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Grant and Affiliation Information for Somatosensory graviception inhibits soleus H-reflex gain in humans during walking.

AFFILIATION: Faculty of Systems Engineering, Shibaura Institute of Technology, 307 Fukasaku, 3308570 Saitama-City, Japan. miyoshi@bpe.se.shibaura-it.ac.jp

Country: Germany

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MEDLINETA: Exp Brain Res

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