THE myosin crossbridges which project from the thick filaments of striated muscle are known to bend and attach to the thin filaments in the absence of their enzymatic substrate, ATP 1. Huxley and ...

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The contraction kinetics of calcium-activated skinned muscle fibers were studied after step decreases in load by means of a quickly responding recording system. The steady velocity at a given relative ...

Skeletal muscle mechanics and force generation are governed by complex interactions between contractile proteins and passive structural elements. At the cellular level, the sarcomere – the fundamental ...