Vibration-induced reduction of catch tension in Mytilus smooth muscle may not be simply due to detachment of actin-myosin cross-links.
Challenges simple cross-bridge detachment model in catch muscle; hypothesis-generating for smooth muscle mechanics.
Sinusoidal vibrations (10-100 Hz, 0.5-2.5%) reduced catch tension in the anterior byssal retractor muscle of Mytilus edulis, while the stiffness measured as the tension increment in response to the stretch phase of vibration did not change appreciably, indicating that the vibration-induced reduction of catch tension may not be simply explained as being due to the detachment of cross-links between actin and myosin.
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Kobayashi et al. (1985) studied this question.
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