The state of the contralateral neuromotor apparatus of the rat in conditions of unilateral tenotomy

The effects of unilateral transection of the Achilles tendon (tenotomy) on the electromyographic characteristics of the gastrocnemius muscle on the contralateral side were studied in rats. Motor responses, reflex responses, and motor unit spike activity in the contralateral gastrocnemius muscle were...

Full description

Saved in:
Bibliographic Details
Published in:Neuroscience and behavioral physiology 2006-05, Vol.36 (4), p.385-389
Main Authors: Baltina, T V, Eremeev, A A, Pleshchinskii, I N
Format: Article
Language:English
Subjects:
Achilles Tendon - injuries
Action Potentials - physiology
Animals
Electric Stimulation - methods
Electromyography - methods
Functional Laterality - physiology
Motor Neurons - physiology
Muscle Denervation - methods
Muscle, Skeletal - physiopathology
Rats
Sciatic Nerve - physiology
Sciatic Nerve - radiation effects
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The effects of unilateral transection of the Achilles tendon (tenotomy) on the electromyographic characteristics of the gastrocnemius muscle on the contralateral side were studied in rats. Motor responses, reflex responses, and motor unit spike activity in the contralateral gastrocnemius muscle were studied in baseline conditions and on afferent stimulation before and 10 days after tenotomy. Changes in the nature of motor unit spike activity and responses to afferent stimulation were observed. The results obtained here demonstrate increases in the excitability of individual motoneurons in the contralateral motor center of the gastrocnemius muscle after exclusion of the symmetrical gastrocnemius muscle from the overall pattern of movement activity.
ISSN:0097-0549
1573-899X
DOI:10.1007/s11055-006-0029-5