Key result
Following section and reanastomosis of the medial gastrocnemius nerve in cats, motoneuron electrical properties and muscle contractile properties gradually recovered toward normal values over 9 months.
Population
Cat medial gastrocnemius (MG) motor units
Comparison
Section and reanastomosis of the MG nerve vs Normal MG motor units
Design
Preclinical
Follow-up
9 months
Authors
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Functional reconnection may restore motoneuron properties after axotomy; leaves open applicability to human nerve repair.
Functional connection to muscle is necessary for the expression of normal motoneuron electrical properties, which recover over time following nerve section and reanastomosis.
Foehring et al. (1986) studied Axotomized motoneurons. Section and reanastomosis of the medial gastrocnemius nerve vs. Normal medial gastrocnemius was evaluated on Motoneuron electrical properties and motor-unit tensions. Following section and reanastomosis of the medial gastrocnemius nerve in cats, motoneuron electrical properties and muscle contractile properties gradually recovered toward normal values over 9 months.
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