The myosin head bends, pulling the skinny filament towards the muscle of the sarcomere statement guess describes the step in muscle contraction whilst the sarcomere I the hotel.
Whilst (a) a sarcomere (b) contracts, the Z strains pass nearer together and the I band receives smaller. The A band remains the equal width and, at full contraction, the thin filaments overlap. when a sarcomere shortens, some regions shorten while others stay the same length.
Upon muscle contraction, the A-bands do not exchange their duration, while the I-bands and the H-quarter shorten. This reasons the Z traces to come back closer collectively.
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