Review of evidence on the effectiveness of whole body vibration on muscle strength and mass of adults 55 and older

Study of the influence of vibration oscillations of different frequency, amplitude and vibration acceleration on the structural and functional state and mechanisms of muscle tissue remodelling. An experimental study was conducted on sexually mature male rats. The rats of the four experimental groups were subjected to vertical vibration oscillations of 15, 25, 50 and 75 Hz, respectively. It has been established that pathological changes in muscle tissue in the form of different variants of damage and remodelling tend to increase, which correlates with the frequency of vibration, amplitude and vibration acceleration level, as in the 2nd group, where the maximum permissible vibration levels did not exceed the established allowable norms, and in other groups of animals, where the permissible levels of total vibration were exceeded. By increasing vibration acceleration for more than 1.25 m/s2 (0.13 g, frequency more than 25 Hz and amplitude of 2 mm), severe damages are observed in the form of alterative changes of muscle fibres with the disappearance of transverse strain, homogenization of sarcoplasm, fragmentation with dissociation fibres on separate beams, partial and subtotal myocytolysis, and necrosis of separate fibres. Inflammation is rapidly increasing with the increase in the frequency of vibration and the level of vibration acceleration for more than 5.0 m/s2 (0.51 g).

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The Peculiarities of Remodelling Muscle Tissue of Rats Under the Vibration Influence

Kostyshyn

Servetnyk

et al. 2019

Prilozi

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Review of evidence on the effectiveness of whole body vibration on muscle strength and mass of adults 55 and older

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The Peculiarities of Remodelling Muscle Tissue of Rats Under the Vibration Influence

The Peculiarities of Remodelling Muscle Tissue of Rats Under the Vibration Influence

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