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Energy invariability of various habitual movements

, : Energy invariability of various habitual movements. Biofizika 33(1): 135-139

It has been found that there were almost piece linear functions "moment of control forces-joint angle" during non-rhythmic human habitual movements whose basis was flexion or extension of elbow. It means that non-linear effects due to direct effects of time, muscle length and contraction velocity in net muscle force were eliminated by neural regulation. One of the main regulation tasks seems to achieve invariability of energy expenditure in regard to motion trajectories. So, the linearizing of control forces indicates uniparametric nature of control process. It was shown that in addition to linear dependences there were also non-linear functions "moment of control force-joint angle". This suggests that on the whole the control process is characterized by more than one parameter.


PMID: 3370231

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