OBJECTIVES To calculate the Scapular Balance Angle (SBA) reference values in a healthy population between 18 and 85 years old, and to define abnormality criteria for this sample. MATERIALS AND METHODS A descriptive study was conducted on a total of 300 individuals (mean age: 44.83, range: 18-83; proportion male/female: 1.59), calculating the SBA through manual measurement with a goniometer. A...

I claim that the “balance of nature” metaphor is shorthand for a paradigmatic view of nature as a beneficent force. I trace the historical origins of this concept and demonstrate that it operates today in the discipline of population ecology. Although it might be suspected that this metaphor is a pre-theoretic description of the more precisely defined notion of equilibrium, I demonstrate that “...

The Oort–Hulst–Safronov equation is a relevant population balance model. Its discrete form, developed by Pavel Dubovski, the main focus of our analysis. existence and density conservation are established for non-negative symmetric coagulation rates satisfying $V\_{i,j} \leqslant i+j$, $\forall i,j \in \mathbb{N}$. Differentiability solutions investigated kernels with i^{\alpha}+j^{\alpha}$ wher...

Chemotherapeutics are often treated as having a lumped tumor effect, however, the growth state and exposure for individual cancer cells ultimately determines the response of the tumor to treatment. A multi-staged, age structured cell population balance equation (PBE) capable of cell-cycle tracking was formulated to account for this limitation. The method of orthogonal collocation on finite elem...

In the past, the kinetics of aggregation has been extensively studied. Aggregation rates were measured and calculated thanks to a population balance. Aggregate morphologies were measured or got by computer simulations. However, the link between the aggregation kinetics and the morphology changes with time is not so clear. The modelling of aggregation may be even more complex as restructuring of...

Background: Falls and fall-related injuries are symptomatic of an aging population. This study aimed to design, develop, and deliver a novel method of balance training, using an interactive game-based system to promote engagement, with the inclusion of older adults at both high and low risk of experiencing a fall. Study Design: Eighty-two older adults (65 years of age and older) were recruited ...

Background and Purpose—Much of our knowledge of risk factors for falls comes from studies of the general population. The aim of this study was to estimate the risk of falling associated with commonly accepted and stroke-specific factors in a home-dwelling stroke population. Methods—This study included an analysis of prospective fall reports in 124 women with confirmed stroke over 1 year. Variab...