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Pubmed for Handhelds

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  • Title: Soleus H-reflex modulation and paired reflex depression from prone to standing and from standing to walking.
    Author: Jeon HS, Kukulka CG, Brunt D, Behrman AL, Thompson FJ.
    Journal: Int J Neurosci; 2007 Dec; 117(12):1661-75. PubMed ID: 17987469.
    Abstract:
    Patterns of soleus H-reflex modulation as a function of posture, task, and reflex activation history were assessed with three experimental paradigms: lying prone compared with standing unsupported; standing compared with the initiation of walking; and standing compared with the mid stance phase of walking. Paired H-reflexes, 80 ms apart, were evoked under each condition. The paired reflex depression (PRD), the percentage depression of the second H-reflex relative to the first H-reflex, was modulated independently of the first H-reflex across the postures and tasks. These results reveal divergent patterns of segmental reflex modulation and support the idea that segmental reflexes are controlled by multiple mechanisms.
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