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  • Tags: Muscle Contraction

Muscle Contraction

Muscle Contraction.jpg
The dense bodies and intermediate filaments are networked through the sarcoplasm, which cause the muscle fiber to contract.

The Sliding Filament Model of Muscle Contraction

The Sliding Filament Model of Muscle Contraction.jpg
When a sarcomere contracts, the Z lines move closer together, and the I band becomes smaller. The A band stays the same width. At full contraction, the thin and thick filaments overlap completely.