Differences in Muscle O2 Dynamics During Treadmill Exercise Between Aerobic Capacity-Matched Overweight and Normal-Weight Adults
作者： Shun Takagi , Ryotaro Kime , Taishi Midorikawa , Masatsugu Niwayama , Shizuo Sakamoto
DOI: 10.1007/978-3-030-34461-0_28
关键词: Normal weight 、 Treadmill exercise 、 Blood volume 、 Aerobic capacity 、 Deoxygenated Hemoglobin 、 Gastrocnemius medialis 、 Peak vo2 、 Medicine 、 Overweight 、 Endocrinology 、 Internal medicine
摘要: The aim of this study was to compare muscle O2 dynamics during exercise between aerobic capacity-matched overweight and normal-weight adults. Overweight women (OW, n = 9) (NW, 14) performed graded treadmill until exhaustion. Muscle saturation (SmO2) relative changes from rest in deoxygenated hemoglobin concentration (∆deoxy-Hb) total (∆total-Hb) were monitored continuously at gastrocnemius medialis by near infrared spatial resolved spectroscopy. Significantly higher SmO2 lower ∆deoxy-Hb ∆total-Hb observed OW compared with NW. Pulmonary uptake (VO2) normalized fat-free mass matched groups. In both groups, peak VO2 significantly correlated change ∆deoxy-Hb. Our findings suggest that blood volume deoxygenation adults, Moreover, lowered extraction related as well
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