Mechanism and Contraction Events of Cardiac Muscle Fibers

Sliding Filament Model of Contraction

Muscle fibers in relaxed (above) and contracted (below) positions

This diagram of the sliding filament model of contraction indicates the I-bands, H zone, cap Z, titin, Z disc, myosin head, myosin tail, actin filament, M line.

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"Sarcomere."

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Mechanism and Contraction Events of Cardiac Muscle Fibers

Sliding Filament Model of Contraction

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