Independence of skeletomotor and fusimotor activity in man?

Independence of skeletomotor and fusimotor activity in man?

The activity of human muscle spindle afferents from finger extensor muscles has been studied during voluntary movements in a visual tracking paradigm. With an elastic load the spindle discharge rate was disproportionately high when the opposing force was close to zero, suggesting that the fusimotor...

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Veröffentlicht in:Brain research 1981-10, Vol.223 (1), p.176-180
Hauptverfasser: Vallbo, Å.B., Hulliger, M.
Format: Artikel
Sprache:eng
Schlagworte:
Afferent Pathways - physiology
Elasticity
Evoked Potentials
Female
finger muscle
Fingers - innervation
fusimotor activity
Humans
Male
man
Motor Activity
muscle spindle
Muscles - innervation
tracking
voluntary movements
α-γ-dissociation
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Zusammenfassung:The activity of human muscle spindle afferents from finger extensor muscles has been studied during voluntary movements in a visual tracking paradigm. With an elastic load the spindle discharge rate was disproportionately high when the opposing force was close to zero, suggesting that the fusimotor drive was high when the direct afferent information about the size of the load that the subject had to handle was poor.
ISSN:0006-8993
1872-6240
DOI:10.1016/0006-8993(81)90819-2