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1·Intramuscular oxygenation was evaluated using near-infrared spectroscopy during lumbar extension and flexion, and oxygenated hemoglobin and deoxygenated hemoglobin were compared.

利用近红外分光镜分别评估腰椎伸展位和屈曲位的肌内氧合情况，比较其氧合血红蛋白及脱氧血红蛋白。