Population
Anesthetized cats (medial gastrocnemius muscle, 27 fast-twitch and 8 slow-twitch motor units)
Design
Preclinical
Authors
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Optimum length shift may outperform motor unit type as a damage susceptibility marker; leaves open translation beyond this animal model.
A motor unit's optimum length for contraction relative to the whole muscle optimum is a better indicator of susceptibility to damage from active lengthening than motor unit type.
Brockett et al. (2002) studied this question.
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