水素ガスクリアランス法による家兎後肢骨格筋とその腱の組織血流について

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タイトル別名
  • SIMULTANEOUS MEASUREMENTS OF MUSCLE AND TENDON BLOOD FLOW BY HYDROGEN GAS CLEARANCE METHOD AT REST AND EXERCISE OF RABBIT HINDLIMBS
  • スイソ ガス クリアランスホウ ニヨル カト コウシ コッカクキン ト ソノ

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Measurements of muscle and tendon blood flow by hydrogen gas clearance method were performed on M. tibialis anterior, M. gastrocnemius and M. soleus of the rabbit anesthetized with urethane. A wire type of Pt-Pt black electorode with 80μm in diameter was applied as the hydrogen gas sensor. With spontaneous arterial mean pressure at 84.6 mmHg, the resting blood flow (ml/min/100g) (mean±S.E.) (n) in muscle and tendon were 21.33±1.79 (14) and 26.60±3.96 (12) in tibialis ant., 14.46±1.95 (21) and 30.49±3.96 (12) in gastrocnemius and 12.53±1.79 (19) and 29.83±6.33 (8) in soleus, respectively. After exercise elicited by sciatic nerve stimulation at 1 to 5 Hz, muscle blood flow increased approximately two times above the control whereas the tendon flow showed no change or a slight decrease in some data. For the observation of the time course of blood flow, tissue temperature was measured by a needle type thermocouple. Muscle temperature increased immediately after the onset of exercise, but the same phenomenon was not observed in tendon tissue.<BR>These results indicate that the blood flow of tendon is larger than that of muscle at rest, and during exercise biomechanical tension force may affect on the regulation of tendon circulation.

収録刊行物

  • 体力科学

    体力科学 31 (1), 41-50, 1982

    一般社団法人日本体力医学会

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