R E Ballard
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Explore the profile of R E Ballard including associated specialties, affiliations and a list of published articles.
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Articles
31
Citations
212
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Recent Articles
1.
Rajapakse S, Belthoff L, He G, Estager A, Scorza R, Verde I, et al.
Theor Appl Genet
. 2013 Nov;
90(3-4):503-10.
PMID: 24173944
We have constructed a genetic linkage map of peach [Prunus persica (L.) Batsch] consisting of RFLP, RAPD and morphological markers, based on 71 F2 individuals derived from the self-fertilization of...
2.
Ueno T, Ballard R, Shuer L, Yost W, Cantrell J, Hargens A
J Gravit Physiol
. 2001 Sep;
5(1):P39-40.
PMID: 11542357
It is believed that intracranial pressure (ICP) may be elevated in microgravity because a fluid shift toward the head occurs due to loss of gravitational blood pressures. Elevated ICP may...
3.
Kuriyama K, Ueno T, Ballard R, Cowings P, Toscano W, Watenpaugh D, et al.
Aviat Space Environ Med
. 2000 Oct;
71(10):1033-8.
PMID: 11051310
Background: Reduced orthostatic tolerance is commonly observed after spaceflight, occasionally causing presyncopal symptoms which may be due to low cerebral blood flow (CBF). It has been suggested that CBF decreases...
4.
Boda W, Watenpaugh D, Ballard R, Hargens A
J Appl Physiol (1985)
. 2000 Aug;
89(2):649-54.
PMID: 10926650
Exercise within an artificial gravity environment may help prevent microgravity-induced deconditioning. We hypothesized that supine lower body negative pressure (LBNP) exercise simulates physiological and biomechanical features of upright exercise. Walking...
5.
Watenpaugh D, Ballard R, Schneider S, Lee S, Ertl A, William J, et al.
J Appl Physiol (1985)
. 2000 Jul;
89(1):218-27.
PMID: 10904055
Bed rest and spaceflight reduce exercise fitness. Supine lower body negative pressure (LBNP) treadmill exercise provides integrated cardiovascular and musculoskeletal stimulation similar to that imposed by upright exercise in Earth...
6.
Watenpaugh D, Ballard R, Breit G, Hargens A
Aviat Space Environ Med
. 1999 May;
70(5):522-6.
PMID: 10332951
Background: Exercise during spaceflight helps prevent musculoskeletal and cardiovascular deconditioning to Earth gravity. This report evaluates the aerobic and anaerobic exercise stimulus provided by self-generated lower body negative pressure. Methods:...
7.
Lindgren K, Kraft D, Ballard R, Tucker A, Hargens A
Aviat Space Environ Med
. 1998 Nov;
69(11):1052-8.
PMID: 9819160
Background: This study determined the efficacy of venoconstrictive thigh cuffs, inflated to 50 mmHg, on impeding fluid redistributions during simulated microgravity. Methods: There were 10 healthy male subjects who were...
8.
Ueno T, Ballard R, Shuer L, Cantrell J, Yost W, Hargens A
Acta Neurochir Suppl
. 1998 Oct;
71:66-9.
PMID: 9779147
The present study was designed to validate our noninvasive ultrasonic technique (pulse phase locked loop: PPLL) for measuring intracranial pressure (ICP) waveforms. The technique is based upon detecting skull movements...
9.
Ballard R, Watenpaugh D, Breit G, Murthy G, Holley D, Hargens A
J Appl Physiol (1985)
. 1998 Jun;
84(6):1976-81.
PMID: 9609792
To assess the usefulness of intramuscular pressure (IMP) measurement for studying muscle function during gait, IMP was recorded in the soleus and tibialis anterior muscles of 10 volunteers during treadmill...
10.
Hsieh S, Ballard R, Murthy G, Hargens A, Convertino V
Aviat Space Environ Med
. 1998 Mar;
69(1):23-6.
PMID: 9490611
Background: On exposure to microgravity, astronauts lose up to 12% of their plasma volume which may contribute to post-flight orthostatic intolerance. Hypothesis: Whole-body dehydration during prolonged microgravity, simulated by 6(0)...