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| Adaptive responses of human skeletal
muscle to vibration exposure. |
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| Bosco C, Colli R, Introini E, Cardinale
M, Tsarpela O, Madella A, Tihanyi J, Viru A. |
| 1986 |
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| NCBI |
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University of Rome-Tor Vergata, Italy.
The aim of this study was to investigate the effects of whole-body
vibrations (WBV) on the mechanical behaviour of human skeletal muscle.
For this purpose, six female volleyball players at national level
were recruited voluntarily. They were tested with maximal dynamic
leg press exercise on a slide machine with extra loads of 70, 90,
110 and 130 kg. After the testing, one leg was randomly assigned to
the control treatment (C) and the other to the experimental treatment
(E) consisting of vibrations. The subjects were then retested at the
end of the treatment using the leg press. Results showed remarkable
and statistically significant enhancement of the experimental treatment
in average velocity (AV), average force (AF) and average power (AP)
(P < 0.05-0.005). Consequently, the velocity-force and power-force
relationship shifted to the right after the treatment. In conclusion,
it was affirmed that the enhancement could be caused by neural factors,
as athletes were well accustomed to the leg press exercise and the
learning effect was minimized. |
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