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Erschienen in: Acta Mechanica Sinica 2/2017

01.03.2017 | Research Paper

Effects of adenosine triphosphate concentration on motor force regulation during skeletal muscle contraction

verfasst von: J. Wei, C. Dong, B. Chen

Erschienen in: Acta Mechanica Sinica | Ausgabe 2/2017

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Abstract

We employ a mechanical model of sarcomere to quantitatively investigate how adenosine triphosphate (ATP) concentration affects motor force regulation during skeletal muscle contraction. Our simulation indicates that there can be negative cross-bridges resisting contraction within the sarcomere and higher ATP concentration would decrease the resistance force from negative cross-bridges by promoting their timely detachment. It is revealed that the motor force is well regulated only when ATP concentration is above a certain level. These predictions may provide insights into the role of ATP in regulating coordination among multiple motors.

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Metadaten
Titel
Effects of adenosine triphosphate concentration on motor force regulation during skeletal muscle contraction
verfasst von
J. Wei
C. Dong
B. Chen
Publikationsdatum
01.03.2017
Verlag
The Chinese Society of Theoretical and Applied Mechanics; Institute of Mechanics, Chinese Academy of Sciences
Erschienen in
Acta Mechanica Sinica / Ausgabe 2/2017
Print ISSN: 0567-7718
Elektronische ISSN: 1614-3116
DOI
https://doi.org/10.1007/s10409-017-0637-z

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