Key result
Electromyographic activity in the cat lateral gastrocnemius muscle showed multiple activation patterns during stepping, with distal compartments more active at slow speeds and proximal at faster speeds.
Population
Cats (model for lateral gastrocnemius muscle compartments)
Design
Preclinical
Authors
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Multiple LG compartment activation patterns during feline stepping support selective motor control; leaves open translation to human locomotion or rehab.
The study demonstrates that there is more than one activation pattern of motor units in the cat lateral gastrocnemius muscle during stepping.
ARTHUR WM. ENGLISH (1984) studied this question. Stepping speed was evaluated on Electromyographic (EMG) activity patterns in different compartments of the lateral gastrocnemius muscle. Electromyographic activity in the cat lateral gastrocnemius muscle showed multiple activation patterns during stepping, with distal compartments more active at slow speeds and proximal at faster speeds.
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