Key result
Chronic low frequency stimulation of cat medial gastrocnemius muscle demonstrated that a wide range of innervation ratios accounts for the large range in motor unit forces.
Population
Cat medial gastrocnemius (MG) muscle
Comparison
Chronic low frequency stimulation for 42-240 days vs Normal values (unstimulated state)
Design
Preclinical
Follow-up
42-240 days
Authors
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Hypothesis-generating in feline models; leaves open translation to human motor unit physiology.
The study provides evidence that a wide range of innervation ratios in large muscles accounts for the large range in motor unit forces, supporting the relationship between motoneurone size and peripheral field of innervation.
Rafuse et al. (1997) studied this question. Chronic low frequency stimulation vs. Normal values was evaluated on Innervation ratio and motor unit force. Chronic low frequency stimulation of cat medial gastrocnemius muscle demonstrated that a wide range of innervation ratios accounts for the large range in motor unit forces.
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