slow-twitch fibre (slow oxidative fibre; ST fibre; SO fibre; Type I fibre)
A type of muscle fibre characterized by a relatively slow contraction time, low glycolytic or anaerobic capacity, and high oxidative or aerobic capacity, making the fibre suitable for low power. long duration activities. ST fibres have a high density of mitochondria, high myoglobin content, and a rich blood supply. ... ...
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