BACKGROUND Biering-Sørenson (1984) found that individuals with less lumbar extensor muscle endurance had an increased occurrence of first episode low back pain. As a result, back endurance tests have been recommended for inclusion in health assessment protocols. However, different studies have reported markedly different values for endurance times, leading some researchers to believe that the b...

Fully softened shear strength mobilized in first-time slope failures, introduced by Skempton 1970, corresponds to a random edge-face arrangement and interaction of clay particles an entirely destructured fabric stiff clays shales. A series triaxial compression tests was conducted on reconstituted normally consolidated specimens 15 shale compositions. Based the laboratory results empirical corre...

Perfusion abnormalities in the pressure-overloaded hypertrophied left ventricle could result from an increase in minimum coronary resistance or an increase in effective back pressure due to increased extravascular compressive forces. Since the pressure-flow relation of the maximally vasodilated coronary bed allows dissociation of minimum resistance (inverse slope [1/acPFI) and back pressure (pr...

Based on the wave function expansion method, dynamic antiplane characteristics of a wedge-shaped quarter-space containing circular hole are studied in complex coordinate system. The medium is decomposed into two subregions along virtual boundary using region decomposition method. scattering field subregion I constructed by mirror and standing II fractional Bessel function. According to continui...

Smooth slopes can be displayed on treadmills through tilt mechanisms , but these mechanisms are typically too slow to present sudden slope changes. The Sarcos Treadport utilizes a mechanical tether that can apply horizontal forces to the user to simulate gravity forces. Psychophys-ical results are presented to show that slope display via tether forces is a reasonable facsimile for treadmill slo...

We give a “second generation” exposition of the slope filtration theorem for modules with Frobenius action over the Robba ring, providing a number of simplifications in the arguments. Some of these are inspired by parallel work of Hartl and Pink, which points out some analogies with the formalism of stable vector bundles.

Stanley, Daniel Jean. The Saint-Antonin Conglomerate in the Maritime Alps: A Model for Coarse Sedimentation on a Submarine Slope. Smithsonian Contributions to the Marine Sciences, number 5, 25 pages, 12 figures, 1 table, 1980.— The Upper Eocene to Lower Oligocene Saint-Antonin Conglomerate, a formation more than 1000 m thick well exposed in the French Maritime Alps, about 30 km north of the Med...

Perfusion abnormalities in the pressure-overloaded hypertrophied left ventricle could result from an increase in minimum coronary resistance or an increase in effective back pressure due to increased extravascular compressive forces. Since the pressure-flow relation of the maximally vasodilated coronary bed allows dissociation of minimum resistance (inverse slope [1/acPFI) and back pressure (pr...