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SlideshowReport

Sliding Filament Mechanism

Description
Note the changes in the I band and H zone as the muscle contracts

The Sliding Filament Mechanism

Myosin pulls on actin, causing the thin filament to slide inward
Consequently, Z discs move toward each other and the sarcomere shortens
Thanks to the structural proteins, there is a transmission of force throughout the entire muscle, resulting in whole muscle contraction
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