Is muscle powered by springs or motors?

Abstract

In the sarcomere, the structural unit of the skeletal and cardiac muscle, the giant protein titin, which spans from the boundary between sarcomeres to the centre of the sarcomere, has been conventionally identified as the elastic element responsible for the passive tension developed at long sarcomere length. However, in a recent paper (RivasPardo et al… (More)
DOI: 10.1007/s10974-016-9454-4

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