C.J. Zuurbier, J.W. Heslinga, M.B.E. Lee-de Groot, W.J. Van der Laarse
Abstract:To study how sarcomere length inhomogeneities and the duration of activation affect sarcomere length-force characteristics of muscle, the mean sarcomere length-force relationship was determined for twitches and at 100 and 300 ms during tetanic activation for rat extensor digitorum longus and gastrocnemius medialis muscle fibre bundles. Mean sarcomere length is the mean length of all sarcomeres within the fibre, calculated by dividing fibre length by the number of sarcomeres in series in the fibre. The twitch m…
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