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May 1, 1983The Journal of PhysiologyOpen Access

Shared reflex pathways from Ib tendon organ afferents and Ia muscle spindle afferents in the cat.

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Population

Cats (preclinical model)

Comparison

Selective activation of group Ia muscle spindle… vs Arithmetic sum of post-synaptic potentials…

Design

Preclinical

Authors

EJE. JankowskaUniversity of GothenburgDMDavid A. McCreaSports Surgery Clinic

Discussion

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Implication

Extends integrated Ia/Ib feedback models in feline spinal circuits; leaves open translation to human motor control or disorders.

Structured PICO

P
Population
Cats (preclinical model)
I
Intervention
Selective activation of group Ia muscle spindle afferents and group Ib tendon organ afferents
C
Comparator
Arithmetic sum of post-synaptic potentials evoked by each afferent separately
O
Outcome
Post-synaptic potentials (p.s.p.s) in motoneuronessurrogate

Group Ia muscle spindle afferents and group Ib tendon organ afferents share neuronal pathways to influence spinal motoneurones in cats, acting as a common feed-back system.

Limitations

  • Proportion of interneurones actually used in common by these afferents could not be established

Cite This Study

Jankowska et al. (1983) studied this question.

synapsesocial.com/papers/6a6f33bdf44fa9f079dc9d0ahttps://doi.org/10.1113/jphysiol.1983.sp014663
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Individual EPSPs produced by single triceps surae Ia afferent fibers in homonymous and heteronymous motoneurons1976 · 201 citations
  2. 2Regulation of Stiffness by Skeletomotor Reflexes1979 · 515 citations
  3. 3Common interneurones in reflex pathways from group 1a and 1b afferents of ankle extensors in the cat.1981 · 148 citations
  4. 4Pattern of ‘non‐reciprocal’ inhibition of motoneurones by impulses in group Ia muscle spindle afferents in the cat1981 · 97 citations
  5. 5Muscle spindle activity in man during shortening and lengthening contractions.1978 · 291 citations