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Gazzetta Medica Italiana Archivio per le Scienze Mediche 2012 December;171(6):731-7

Copyright © 2012 EDIZIONI MINERVA MEDICA

language: English

Effects of duration of heating on blood circulation of human muscle and tendon in vivo

Kubo K. 1, Ikebukuro T. 2

1 Department of Life Science, University of Tokyo, Tokyo, Japan; 2 Department of Physical Education, Kokushikan University, Tokyo, Japan


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AIM: The purpose of this study was to investigate the effects of application of hot pack (heating) on blood volume (THb) and oxygen saturation (StO2) of human muscle and tendon, and thus to suggest an appropriate duration of heating for the treatment of injuries based on the present findings.
METHODS: During heating (60 min), THb and StO2 of medial gastrocnemius muscle and Achilles tendon were measured using near infrared spectroscopy and red laser lights.
RESULTS: THb of muscle continued to increase by 15 min and its StO2 increased significantly from the point of 35 min. THb and StO2 of tendon continued to increase by 35 min. At the end of heating, there was no difference in the increase of THb and StO2 between muscle and tendon.
CONCLUSION: These results indicated that duration of heating more than 35 min would be necessary to obtain the sufficient effect of treatment injured muscle and tendon.

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