Search Results - "Barstow, Thomas J."

Understanding near infrared spectroscopy and its application to skeletal muscle research by Barstow, Thomas J

“…Near infrared spectroscopy (NIRS) is a powerful noninvasive tool with which to study the matching of oxygen delivery to oxygen utilization and the number of…”
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Estimated contribution of hemoglobin and myoglobin to near infrared spectroscopy by Davis, Michelle L, Barstow, Thomas J

“…Highlights ► Skeletal muscle hemoglobin and myoglobin contributions to near infrared spectroscopy at rest were estimated from values in the literature. ►…”
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Effect of adipose tissue thickness, muscle site, and sex on near-infrared spectroscopy derived total-[hemoglobin + myoglobin] by Craig, Jesse C, Broxterman, Ryan M, Wilcox, Samuel L, Chen, Chixiang, Barstow, Thomas J

“…Craig JC, Broxterman RM, Wilcox SL, Chen C, Barstow TJ. Effect of adipose tissue thickness, muscle site, and sex on near-infrared spectroscopy derived…”
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Muscle deoxygenation in the quadriceps during ramp incremental cycling: Deep vs. superficial heterogeneity by Okushima, Dai, Poole, David C, Rossiter, Harry B, Barstow, Thomas J, Kondo, Narihiko, Ohmae, Etsuko, Koga, Shunsaku

“…Muscle deoxygenation (i.e., deoxy[Hb + Mb]) during exercise assesses the matching of oxygen delivery (Q̇O2) to oxygen utilization (V̇O2). Until now limitations…”
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Limb blood flow and muscle oxygenation responses during handgrip exercise above vs. below critical force by Hammer, Shane M., Alexander, Andrew M., Didier, Kaylin D., Huckaby, Lillie M., Barstow, Thomas J.

“…This study compared the brachial artery blood flow (Q̇BA) and microvascular oxygen delivery responses during handgrip exercise above vs. below critical force…”
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The interrelationship between muscle oxygenation, muscle activation, and pulmonary oxygen uptake to incremental ramp exercise: influence of aerobic fitness by Boone, Jan, Barstow, Thomas J, Celie, Bert, Prieur, Fabrice, Bourgois, Jan

“…We investigated whether muscle and ventilatory responses to incremental ramp exercise would be influenced by aerobic fitness status by means of a…”
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Impact of supine versus upright exercise on muscle deoxygenation heterogeneity during ramp incremental cycling is site specific by Goulding, Richie P., Okushima, Dai, Fukuoka, Yoshiyuki, Marwood, Simon, Kondo, Narihiko, Poole, David C., Barstow, Thomas J., Koga, Shunsaku

“…Purpose We tested the hypothesis that incremental ramp cycling exercise performed in the supine position ( S ) would be associated with an increased reliance…”
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Validation of a high-power, time-resolved, near-infrared spectroscopy system for measurement of superficial and deep muscle deoxygenation during exercise by Koga, Shunsaku, Barstow, Thomas J, Okushima, Dai, Rossiter, Harry B, Kondo, Narihiko, Ohmae, Etsuko, Poole, David C

“…Near-infrared assessment of skeletal muscle is restricted to superficial tissues due to power limitations of spectroscopic systems. We reasoned that…”
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Effect of priming exercise and body position on pulmonary oxygen uptake and muscle deoxygenation kinetics during cycle exercise by Goulding, Richie P, Marwood, Simon, Okushima, Dai, Poole, David C, Barstow, Thomas J, Lei, Tze-Huan, Kondo, Narihiko, Koga, Shunsaku

“…We hypothesized that the performance of prior heavy exercise would speed pulmonary oxygen uptake (V̇o ) kinetics (i.e., as described by the time constant,…”
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Sex differences in the cardiovascular consequences of the inspiratory muscle metaboreflex by Smith, Joshua R, Broxterman, Ryan M, Hammer, Shane M, Alexander, Andrew M, Didier, Kaylin D, Kurti, Stephanie P, Barstow, Thomas J, Harms, Craig A

“…It is currently unknown whether sex differences exist in the cardiovascular consequences of the inspiratory muscle metaboreflex. We hypothesized that the…”
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The noninvasive simultaneous measurement of tissue oxygenation and microvascular hemodynamics during incremental handgrip exercise by Hammer, Shane M, Alexander, Andrew M, Didier, Kaylin D, Smith, Joshua R, Caldwell, Jacob Troy, Sutterfield, Shelbi L, Ade, Carl J, Barstow, Thomas J

“…Limb blood flow increases linearly with exercise intensity; however, invasive measurements of muscle microvascular blood flow during incremental exercise have…”
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Cardiovascular consequences of the inspiratory muscle metaboreflex: effects of age and sex by Smith, Joshua R, Alexander, Andrew M, Hammer, Shane M, Didier, Kaylin D, Kurti, Stephanie P, Broxterman, Ryan M, Barstow, Thomas J, Harms, Craig A

“…With inspiratory muscle metaboreflex activation, we hypothesized that, compared with their younger counterparts, older men and women would exhibit greater )…”
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The impact of pedal rate on muscle oxygenation, muscle activation and whole-body VO2 during ramp exercise in healthy subjects by Boone, Jan, Barstow, Thomas J., Celie, Bert, Prieur, Fabrice, Bourgois, Jan

“…Purpose The aim of this project was to study the impact of pedal rate on breakpoints in muscle oxygenation (deoxy[Hb + Mb] and total[Hb + Mb]) and activation…”
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The relationship between muscle deoxygenation and activation in different muscles of the quadriceps during cycle ramp exercise by CHIN, Lisa M. K, KOWALCHUK, John M, BARSTOW, Thomas J, KONDO, Narihiko, AMANO, Tatsuro, SHIOJIRI, Tomoyuki, KOGA, Shunsaku

“…The relationship between muscle deoxygenation and activation was examined in three different muscles of the quadriceps during cycling ramp exercise. Seven…”
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Incidence Rate of Cardiovascular Disease End Points in the National Aeronautics and Space Administration Astronaut Corps by Ade, Carl J., Broxterman, Ryan M., Charvat, Jacqueline M., Barstow, Thomas J.

“…Background It is unknown whether the astronaut occupation or exposure to microgravity influences the risk of long‐term cardiovascular disease (CVD). This study…”
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Microvascular blood flow during vascular occlusion tests assessed by diffuse correlation spectroscopy by Didier, Kaylin D., Hammer, Shane M., Alexander, Andrew M., Caldwell, Jacob T., Sutterfield, Shelbi L., Smith, Joshua R., Ade, Carl J., Barstow, Thomas J.

“…New Findings What is the central question of this study? What are the characteristics of the time courses of blood flow in the brachial artery and…”
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Dynamics of noninvasively estimated microvascular O2 extraction during ramp exercise by Ferreira, Leonardo F, Koga, Shunsaku, Barstow, Thomas J

“…1 Departments of Anatomy and Physiology and Kinesiology, Kansas State University, Manhattan, Kansas; and 2 Applied Physiology Laboratory, Kobe Design…”
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Effects of increased skin blood flow on muscle oxygenation/deoxygenation: comparison of time-resolved and continuous-wave near-infrared spectroscopy signals by Koga, Shunsaku, Poole, David C., Kondo, Narihiko, Oue, Anna, Ohmae, Etsuko, Barstow, Thomas J.

“…Purpose We quantified the contribution of skin blood flow (SkBF) to tissue oxygenation/deoxygenation of the flexor digitorum profundus muscle during cutaneous…”
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Methodological validation of the dynamic heterogeneity of muscle deoxygenation within the quadriceps during cycle exercise by Koga, Shunsaku, Poole, David C, Fukuoka, Yoshiyuki, Ferreira, Leonardo F, Kondo, Narihiko, Ohmae, Etsuko, Barstow, Thomas J

“…The conventional continuous wave near-infrared spectroscopy (CW-NIRS) has enabled identification of regional differences in muscle deoxygenation following…”
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Spatial heterogeneity of quadriceps muscle deoxygenation kinetics during cycle exercise by Koga, Shunsaku, Poole, David C, Ferreira, Leonard F, Whipp, Brian J, Kondo, Narihiko, Saitoh, Tadashi, Ohmae, Etsuko, Barstow, Thomas J

“…1 Applied Physiology Laboratory, Kobe Design University, Kobe, Japan; 3 University of Leeds, Leeds, United Kingdom; 4 Kobe University, Kobe, Japan; 5 Hamamatsu…”
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