关于剧烈运动时人前臂肌肉中磷酸盐的释放以及磷酸钠对前臂肌肉血管作用的实验。
Experiments on the liberation of phosphate from the muscles of the human forearm during vigorous exercise and on the action of sodium phosphate on forearm muscle blood vessels.
作者信息
Barcroft H, Foley T H, McSwiney R R
出版信息
J Physiol. 1971 Mar;213(2):411-20. doi: 10.1113/jphysiol.1971.sp009390.
Abstract
- During vigorous sustained or rhythmic exercise of the forearm muscles, plasma phosphate in the venous effluent from the active muscles increased by about 20%.2. The forearm muscles liberate phosphate during vigorous activity. This confirms observations made by Hilton & Vrbová (1970) on fast muscles in the cat.3. Infusions of sodium phosphate into the brachial artery which raised plasma phosphate in the venous effluent from the resting muscles by 400% had no effect upon the rate of the forearm blood flow.4. These results do not suggest that the liberation of phosphate plays any significant part in mediating the vasodilatation accompanying vigorous exercise of the muscles in the forearm.
摘要
在进行前臂肌肉的剧烈持续或有节奏运动时，来自活动肌肉的静脉流出液中的血浆磷酸盐增加了约20%。
前臂肌肉在剧烈活动时会释放磷酸盐。这证实了希尔顿和弗尔博娃（1970年）对猫的快肌所做的观察。
向肱动脉输注磷酸钠，使静息肌肉的静脉流出液中的血浆磷酸盐增加了400%，但对前臂血流速率没有影响。
这些结果并不表明磷酸盐的释放在介导前臂肌肉剧烈运动时伴随的血管舒张中起任何重要作用。
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