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Organization of human locomotion: Proprioception and quadrupedal coordination


Dietz, V (2010). Organization of human locomotion: Proprioception and quadrupedal coordination. In: Koob, G F; Le Moal, M; Thompson, R F. Encyclopedia of Behavioral Neuroscience. Elsevier: Elsevier, 490-496.

Abstract

Most purposeful, complex movements are programmed in the central nervous system (CNS) and adapted by proprioceptive feedback. The selection of and interaction between different sources of afferent input is task dependent. For motor behaviors, such as locomotion, afferent input related to load and hip-joint position, probably, has an important role in the proprioceptive contribution to the activation pattern of the leg muscles. Recent research indicates that interlimb coordination during human locomotion is organized in a similar way to that in the cat. Hence, during locomotion, corticospinal excitation of upper limb motoneurons is mediated indirectly, via propriospinal neurons in the cervical spinal cord. This allows for a task-dependent neuronal linkage of cervical and thoraco-lumbar propriospinal circuits, controlling leg and arm movements during human locomotor activities.

Abstract

Most purposeful, complex movements are programmed in the central nervous system (CNS) and adapted by proprioceptive feedback. The selection of and interaction between different sources of afferent input is task dependent. For motor behaviors, such as locomotion, afferent input related to load and hip-joint position, probably, has an important role in the proprioceptive contribution to the activation pattern of the leg muscles. Recent research indicates that interlimb coordination during human locomotion is organized in a similar way to that in the cat. Hence, during locomotion, corticospinal excitation of upper limb motoneurons is mediated indirectly, via propriospinal neurons in the cervical spinal cord. This allows for a task-dependent neuronal linkage of cervical and thoraco-lumbar propriospinal circuits, controlling leg and arm movements during human locomotor activities.

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Item Type:Book Section, refereed, original work
Communities & Collections:04 Faculty of Medicine > Balgrist University Hospital, Swiss Spinal Cord Injury Center
Dewey Decimal Classification:610 Medicine & health
Uncontrolled Keywords:Central pattern generator (CPG); Cutaneous reflexes; Electromyography; Human locomotion; Joint-position-related afferent input; Load-related afferent input; Monosynaptic reflexes; Neuronal control; Neuronal limb coupling; Polysynaptic reflexes; Proprioceptive input; Propriospinal neurons; Quadrupedal locomotion; Spinal reflexe
Language:English
Date:April 2010
Deposited On:08 Jul 2010 12:53
Last Modified:07 Dec 2017 02:48
Publisher:Elsevier
ISBN:978-0-08-044732-2
Publisher DOI:https://doi.org/10.1016/B978-0-08-045396-5.00215-3
Official URL:http://www.elsevier.com/wps/find/bookdescription.cws_home/720882/
Related URLs:http://opac.nebis.ch/F/?local_base=NEBIS&con_lng=GER&func=find-b&find_code=SYS&request=005892871

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