Abstract
The influences of mechanical force during physical exercise on blood coagulation and fibrinolysis were investigated and the effects of sports equipment, especially shoes were also examined. As an experimental model, local mechanical vibration was applied to the palm of the hand. General coagulation parameters did not change, but fibrinolytic activity was elevated due to the tissue plasminogen activator (t-PA) released from vascular endothelial cells stimulated by vibration. The influence of mechanical stimulation by repeated side-jumping with bare feet was examined on the sole of the foot. As with t-PA, the von Willbrand Factor antigen (vWF : Ag) derived from vascular endothelial cells also tended to increase, but not as much as when wearing sports shoes. Sports shoes protected the blood vessels of the feet from damage by mechanical force during physical exercise. Changes in fibrinolysic activity and t-PA could be useful for assessing local mechanical stimulation during physical exercise and also as indexes for the development of new sports equipment and its improvement.
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Takashima, N., Higashi, T. Change in fibrinolytic activity as a parameter for assessing local mechanical stimulation during physical exercise. Europ. J. Appl. Physiol. 68, 445–449 (1994). https://doi.org/10.1007/BF00843744
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DOI: https://doi.org/10.1007/BF00843744