Search Results - "Lee, Stuart M C."

Association of Long-Duration Spaceflight With Anterior and Posterior Ocular Structure Changes in Astronauts and Their Recovery by Macias, Brandon R, Patel, Nimesh B, Gibson, C Robert, Samuels, Brian C, Laurie, Steven S, Otto, Christian, Ferguson, Connor R, Lee, Stuart M C, Ploutz-Snyder, Robert, Kramer, Larry A, Mader, Thomas H, Brunstetter, Tyson, Stenger, Michael B

“…During long-duration spaceflights, nearly all astronauts exhibit some change in ocular structure within the spectrum of spaceflight-associated neuro-ocular…”
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Optic Disc Edema and Choroidal Engorgement in Astronauts During Spaceflight and Individuals Exposed to Bed Rest by Laurie, Steven S, Lee, Stuart M C, Macias, Brandon R, Patel, Nimesh, Stern, Claudia, Young, Millennia, Stenger, Michael B

“…Optic disc edema develops in astronauts during long-duration spaceflight and is a risk for all future astronauts during spaceflight. Having a ground-based…”
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Association of Structural Changes in the Brain and Retina After Long-Duration Spaceflight by Marshall-Goebel, Karina, Macias, Brandon R, Kramer, Larry A, Hasan, Khader M, Ferguson, Connor, Patel, Nimesh, Ploutz-Snyder, Robert J, Lee, Stuart M C, Ebert, Doug, Sargsyan, Ashot, Dulchavsky, Scott, Hargens, Alan R, Stenger, Michael B, Laurie, Steven

“…Long-duration spaceflight induces structural changes in the brain and eye. Identification of an association between cerebral and ocular changes could help…”
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Artificial gravity training reduces bed rest-induced cardiovascular deconditioning by Stenger, Michael B., Evans, Joyce M., Knapp, Charles F., Lee, Stuart M. C., Phillips, Tiffany R., Perez, Sondra A., Moore, Alan D., Paloski, William H., Platts, Steven H.

“…We studied 15 men (8 treatment, 7 control) before and after 21 days of 6º head-down tilt to determine whether daily, 1-h exposures to 1.0 G z (at the heart)…”
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Early-phase musculoskeletal adaptations to different levels of eccentric resistance after 8 weeks of lower body training by English, Kirk L., Loehr, James A., Lee, Stuart M. C., Smith, Scott M.

“…Purpose Eccentric muscle actions are important to the development of muscle mass and strength and may affect bone mineral density (BMD). This study’s purpose…”
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Physiological and Functional Alterations after Spaceflight and Bed Rest by MULAVARA, AJITKUMAR P, PETERS, BRIAN T, MILLER, CHRIS A, KOFMAN, IGOR S, RESCHKE, MILLARD F, TAYLOR, LAURA C, LAWRENCE, EMILY L, WOOD, SCOTT J, LAURIE, STEVEN S, LEE, STUART M C, BUXTON, ROXANNE E, MAY-PHILLIPS, TIFFANY R, STENGER, MICHAEL B, PLOUTZ-SNYDER, LORI L, RYDER, JEFFREY W, FEIVESON, ALAN H, BLOOMBERG, JACOB J

“…INTRODUCTIONExposure to microgravity causes alterations in multiple physiological systems, potentially impacting the ability of astronauts to perform critical…”
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Peak exercise oxygen uptake during and following long-duration spaceflight by Moore, Jr, Alan D, Downs, Meghan E, Lee, Stuart M C, Feiveson, Alan H, Knudsen, Poul, Ploutz-Snyder, Lori

“…This investigation was designed to measure aerobic capacity (V̇o2peak) during and after long-duration International Space Station (ISS) missions. Astronauts (9…”
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Assessment of Jugular Venous Blood Flow Stasis and Thrombosis During Spaceflight by Marshall-Goebel, Karina, Laurie, Steven S, Alferova, Irina V, Arbeille, Philippe, Auñón-Chancellor, Serena M, Ebert, Douglas J, Lee, Stuart M C, Macias, Brandon R, Martin, David S, Pattarini, James M, Ploutz-Snyder, Robert, Ribeiro, L Christine, Tarver, William J, Dulchavsky, Scott A, Hargens, Alan R, Stenger, Michael B

“…Exposure to a weightless environment during spaceflight results in a chronic headward blood and tissue fluid shift compared with the upright posture on Earth,…”
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Arterial structure and function during and after long-duration spaceflight by Lee, Stuart M C, Ribeiro, L Christine, Martin, David S, Zwart, Sara R, Feiveson, Alan H, Laurie, Steven S, Macias, Brandon R, Crucian, Brian E, Krieger, Stephanie, Weber, Daniela, Grune, Tilman, Platts, Steven H, Smith, Scott M, Stenger, Michael B

“…Spaceflight missions expose astronauts to increased risk of oxidative stress and inflammatory damage that might accelerate the development of asymptomatic…”
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Left ventricular remodeling during and after 60 days of sedentary head-down bed rest by Westby, Christian M, Martin, David S, Lee, Stuart M C, Stenger, Michael B, Platts, Steven H

“…Short periods of weightlessness are associated with reduced stroke volume and left ventricular (LV) mass that appear rapidly and are thought to be largely…”
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Changes in the Optic Nerve Head and Choroid Over 1 Year of Spaceflight by Macias, Brandon R, Ferguson, Connor R, Patel, Nimesh, Gibson, C, Samuels, Brian C, Laurie, Steven S, Lee, Stuart M C, Ploutz-Snyder, Robert, Kramer, Larry, Mader, Thomas H, Brunstetter, Tyson, Alferova, Irina V, Hargens, Alan R, Ebert, Douglas J, Dulchavsky, Scott A, Stenger, Michael B

“…While 6-month data are available regarding spaceflight-associated neuro-ocular syndrome, manned missions for 1 year and beyond are planned, warranting…”
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Lower body negative pressure exercise plus brief postexercise lower body negative pressure improve post-bed rest orthostatic tolerance by Watenpaugh, Donald E, O'Leary, Deborah D, Schneider, Suzanne M, Lee, Stuart M. C, Macias, Brandon R, Tanaka, Kunihiko, Hughson, Richard L, Hargens, Alan R

“…1 Department of Integrative Physiology, University of North Texas Health Science Center, Fort Worth, Texas; 2 Department of Community Health Sciences, Brock…”
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Orthostatic Intolerance After ISS and Space Shuttle Missions by Lee, Stuart M C, Feiveson, Alan H, Stein, Sydney, Stenger, Michael B, Platts, Steven H

“…Cardiovascular deconditioning apparently progresses with flight duration, resulting in a greater incidence of orthostatic intolerance following long-duration…”
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Computational modelling of cardiovascular pathophysiology to risk stratify commercial spaceflight by Morris, Paul D., Anderton, Ryan A., Marshall-Goebel, Karina, Britton, Joseph K., Lee, Stuart M. C., Smith, Nicolas P., van de Vosse, Frans N., Ong, Karen M., Newman, Tom A., Taylor, Daniel J., Chico, Tim, Gunn, Julian P., Narracott, Andrew J., Hose, D. Rod, Halliday, Ian

“…For more than 60 years, humans have travelled into space. Until now, the majority of astronauts have been professional, government agency astronauts selected,…”
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Unchanged cerebrovascular CO2 reactivity and hypercapnic ventilatory response during strict head‐down tilt bed rest in a mild hypercapnic environment by Laurie, Steven S., Christian, Kate, Kysar, Jacob, Lee, Stuart M.C., Lovering, Andrew T., Macias, Brandon R., Moestl, Stefan, Sies, Wolfram, Mulder, Edwin, Young, Millennia, Stenger, Michael B.

“…Key points Carbon dioxide levels are mildly elevated on the International Space Station and it is unknown whether this chronic exposure causes physiological…”
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Mechanical Countermeasures to Headward Fluid Shifts by Marshall-Goebel, Karina, Macias, Brandon R, Laurie, Steven S, Lee, Stuart M C, Ebert, Douglas J, Kemp, David Thomas, Miller, Annelise E, Greenwald, Scott H, Martin, David S, Young, Millennia, Hargens, Alan R, Levine, Benjamin D, Stenger, Michael B

“…Head-to-foot gravitationally-induced hydrostatic pressure gradients in the upright posture on Earth are absent in weightlessness. This results in a relative…”
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Near infrared spectroscopy-derived interstitial hydrogen ion concentration and tissue oxygen saturation during ambulation by Lee, Stuart M. C., Clarke, Mark S. F., O’Connor, Daniel P., Stroud, Leah, Ellerby, Gwenn E. C., Soller, Babs R.

“…The objective of this study was to determine whether walking and running at different treadmill speeds resulted in different metabolic and cardiovascular…”
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Musculoskeletal Adaptations to Training with the Advanced Resistive Exercise Device by LOEHR, James A, LEE, Stuart M. C, ENGLISH, Kirk L, SIBONGA, Jean, SMITH, Scott M, SPIERING, Barry A, DONALD HAGAN, R

“…Resistance exercise has been used as a means to prevent the musculoskeletal losses associated with spaceflight. Therefore, the National Aeronautics and Space…”
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Impact of Daily Lower-Body Negative Pressure or Cycling Followed by Venous Constrictive Thigh Cuffs on Bedrest-Induced Orthostatic Intolerance by Hönemann, Jan-Niklas, Hoffmann, Fabian, de Boni, Laura, Gauger, Peter, Mulder, Edwin, Möstl, Stefan, Heusser, Karsten, Schmitz, Marie-Therese, Halbach, Marcel, Laurie, Steven S, Lee, Stuart M C, Macias, Brandon R, Jordan, Jens, Tank, Jens

“…Orthostatic intolerance occurs following immobilization in patients on Earth and in astronauts after spaceflight. Head-down tilt bedrest is a terrestrial model…”
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Self-Generated Lower Body Negative Pressure Exercise: A Low Power Countermeasure for Acute Space Missions by Velichala, Suhas Rao, Kassel, Ryan D, Ly, Victoria, Watenpaugh, Donald E, Lee, Stuart M C, Macias, Brandon R, Hargens, Alan R

“…Microgravity in spaceflight produces headward fluid shifts which probably contribute to Spaceflight-Associated Neuro-Ocular Syndrome (SANS). Developing new…”
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