Summary
Reciprocal inhibition of soleus motoneurones in man was studied during voluntary contraction of soleus or its antagonist. Inhibition was strongest during antagonist contraction or at rest and weak during contraction of soleus itself. Possible explanations for these changes are discussed.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Crone C, Hultborn H, Jespersen B (1985) Reciprocal Ia inhibition from the peroneal nerve to soleus motoneurones with special reference to the size of the test reflex. Exp Brain Res 59: 418–422
Hultborn H, Illert M, Santini M (1976) Convergence on interneurones mediating the reciprocal Ia inhibition of motoneurones. I. Disynaptic inhibition of Ia inhibitory interneurones. Acta Physiol Scand 96: 193–201
Iles JF (1983) Modulation of inhibition of human soleus motoneurones during isometric contractions. J Physiol (Lond) 345: 165P
Iles JF, Roberts RC (1981) Presynaptic inhibition of monosynaptic reflexes from human soleus muscle. J Physiol (Lond) 317: 59P
Jankowska E, McCrea D, Rudomin P, Sykova E (1981) Observations on neuronal pathways subserving primary afferent depolarisation. J Neurophysiol 46: 506–516
Kots YM, Zhukov VI (1971) Supraspinal control of the segmental centres of the muscle antagonists in man. III. “Tuning” of the spinal apparatus of reciprocal inhibition in the period of organization of voluntary movement. Biophysics 16: 1129–1136 (Engl. translation)
Kudina LP (1980) Reflex effects of muscle afferents on antagonist studied on single firing motor units in man. Electroenceph Clin Neurophysiol 50: 214–221
Lundberg A (1970) The excitatory control of the Ia inhibitory pathway. In: Andersen P, Jansen JKS (eds) Excitatory synaptic mechanisms. Universitetsforlaget, Oslo, pp 333–340
Mao CC, Ashby P, Wang M, McCrea D (1984) Synaptic connections from large muscle afferents to the motoneurones of various leg muscles in man. Exp Brain Res 56: 341–350
Mazieres L (1983) L'effet d'une stimulation conditionnante depend de l'amplitude du reflexe monosynaptique test. Etude chez l'homme et chez le chat. These: Universite Pierre et Marie Curie, Paris 6, pp 1–72
Shindo M, Harayama H, Kondo K, Yanagisawa N, Tanaka R (1984) Changes in reciprocal Ia inhibition during voluntary contraction in man. Exp Brain Res 53: 400–408
Siegel S (1956) Nonparametric statistics. McGraw Hill, New York
Tanaka R (1974) Reciprocal Ia inhibition during voluntary movements in man. Exp Brain Res 21: 529–540
Tanji J, Taniguchi K (1976) Presetting of excitability of the spinal Ia inhibitory pathway in relation to the direction of an intended movement. Neurosci Lett 3: 321–327
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Iles, J.F. Reciprocal inhibition during agonist and antagonist contraction. Exp Brain Res 62, 212–214 (1986). https://doi.org/10.1007/BF00237419
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00237419