Muscle contraction relies on the sliding filament neurobiological mechanism
Muscle contraction fundamentally relies on the sliding filament mechanism, wherein actin and myosin filaments interact, though modern models also incorporate auxiliary proteins like titin to account for complex contractions.
The retrieved papers consistently acknowledge the sliding filament theory as the foundational basis of muscle contraction, while discussing subsequent refinements (such as the incorporation of titin in a three-filament model). The core biological mechanism is firmly supported by the literature.
Zhao Qian, Liu Ping, Xuelin Zhang. Re‑examining the mechanism of eccentric exercise‑induced skeletal muscle damage from the role of the third filament, titin (Review). 2023. https://doi.org/10.3892/br.2023.1703
The sliding filament theory forms the foundational basis of sarcomere mechanics, though recent studies refine it with additional structural components like titin.
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Park YH, Song GS, Jung HS. Research reviews on myosin head interactions with F-actin.. 2024. https://doi.org/10.1186/s42649-024-00099-8
The sliding filament and cross-bridge models remain fundamental frameworks for understanding myosin-actin interactions during muscle contraction.
André Tomalka. Eccentric muscle contractions: from single muscle fibre to whole muscle mechanics.. 2023. https://doi.org/10.1007/s00424-023-02794-z
While modern models expand on traditional views to include titin, the sliding filament and cross-bridge theories continue to underpin muscle contraction dynamics.
Walter Herzog, Gudrun Schappacher-Tilp. Molecular mechanisms of muscle contraction: A historical perspective.. 2023. https://doi.org/10.1016/j.jbiomech.2023.111659
Historical and contemporary research establishes that muscle contraction is fundamentally driven by the sliding of actin and myosin filaments.
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