BILATERAL FORCE-PLATE MEASUREMENTS IN SKILLED HIGH DIVERS
Abstract
Aim. The paper aims to evaluate COP force-plate measurements and bilateral characteristics in the head rotation test among skilled high divers. Materials and methods. 16 traditional force-plate and spectral parameters were measured in the frontal and sagittal planes with the Stabilan-01-2 force plate system. Results. According to bilateral measurements and COP data, the smallest change was associated with right head rotation with predominance of micro-oscillations in the frontal direction. Background measurements and the data obtained during right head rotation demonstrated that pressure from the left and right legs was shifted to toes and heels, respectively. However, during the left head rotation test, the results were different: pressure from the left and right legs was shifted to heels and toes, respectively. The balance function correlates mainly with scatter values, motion assessment, ellipse area, statokinesigram and spectral measurements in the frontal plane. Conclusion. Throughout the test, high divers demonstrated a specific ratio of spectral COP measurements in the frontal plane: high micro-oscillations associated with physiological processes and low unconscious micro-oscillations. Therefore, micro-oscillations associated with physiological processes of the COP neutralize unconscious micro-movements to maintain postural balance of high divers.
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